Ford Fusion: Rear View Mirrors / Rear View Mirrors. Diagnosis and Testing

Ford Fusion 2013–2020 Service Manual / Body and Paint / Body and Paint / Rear View Mirrors / Rear View Mirrors. Diagnosis and Testing

DTC Chart: DDM

Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices.
REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).

DTC	Description	Action
B1163:11	Left Mirror Heater Output: Circuit Short To Ground	GO to Pinpoint Test D
B1163:15	Left Mirror Heater Output: Circuit Short To Battery Or Open	GO to Pinpoint Test D
B11F6:11	Driver Folding Mirror Motor: Circuit Short To Ground	GO to Pinpoint Test E
B11F6:15	Driver Folding Mirror Motor: Circuit Short To Battery or Open	GO to Pinpoint Test E
B1C06:11	Driver Up/Down And Common Mirror Motor: Circuit Short To Ground	If a single mirror is inoperative, GO to Pinpoint Test A If a single exterior mirror does not function correctly in all directions, GO to Pinpoint Test B
B1C06:15	Driver Up/Down And Common Mirror Motor: Circuit Short To Battery or Open	If a single mirror is inoperative, GO to Pinpoint Test A If a single exterior mirror does not function correctly in all directions, GO to Pinpoint Test B
B1C09:11	Driver Left/Right Mirror Motor: Circuit Short To Ground	GO to Pinpoint Test B
B1C09:15	Driver Left/Right Mirror Motor: Circuit Short To Battery Or Open	GO to Pinpoint Test B
B1C10:11	Driver Up/Down Mirror Motor: Circuit Short To Ground	GO to Pinpoint Test B
B1C10:15	Driver Up/Down Mirror Motor: Circuit Short To Battery Or Open	GO to Pinpoint Test B
B1C13:11	Driver Up/Down Mirror Motor Feedback: Circuit Short To Ground	GO to Pinpoint Test C
B1C13:15	Driver Up/Down Mirror Motor Feedback: Circuit Short To Battery Or Open	GO to Pinpoint Test C
B1C14:11	Driver Left/Right Mirror Motor Feedback: Circuit Short To Ground	GO to Pinpoint Test C
B1C14:15	Driver Left/Right Mirror Motor Feedback: Circuit Short To Battery Or Open	GO to Pinpoint Test C
C1B15:11	Sensor Supply Voltage B: Circuit Short To Ground	GO to Pinpoint Test C
C1B15:15	Sensor Supply Voltage B: Circuit Short To Battery or Open	GO to Pinpoint Test C
All other DDM Diagnostic Trouble Codes (DTCs)	-	REFER to: Locks, Latches and Entry Systems (501-14 Handles, Locks, Latches and Entry Systems, Diagnosis and Testing).

DTC Chart: PDM

Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices.
REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).

DTC	Description	Action
B1164:11	Right Mirror Heater Output: Circuit Short To Ground	GO to Pinpoint Test D
B1164:15	Right Mirror Heater Output: Circuit Short To Battery Or Open	GO to Pinpoint Test D
B11F7:11	Passenger Folding Mirror Motor: Circuit Short To Ground	GO to Pinpoint Test E
B11F7:15	Passenger Folding Mirror Motor: Circuit Short To Battery or Open	GO to Pinpoint Test E
B1C08:11	Passenger Left/Right and Common Mirror Motor: Circuit Short To Ground	If a single mirror is inoperative, GO to Pinpoint Test A If a single exterior mirror does not function correctly in all directions, GO to Pinpoint Test B
B1C08:15	Passenger Left/Right and Common Mirror Motor: Circuit Short To Battery or Open	If a single mirror is inoperative, GO to Pinpoint Test A If a single exterior mirror does not function correctly in all directions, GO to Pinpoint Test B
B1C11:11	Passenger Left/Right Mirror Motor: Circuit Short To Ground	GO to Pinpoint Test B
B1C11:15	Passenger Left/Right Mirror Motor: Circuit Short To Battery Or Open	GO to Pinpoint Test B
B1C12:11	Passenger Up/Down Mirror Motor: Circuit Short To Ground	GO to Pinpoint Test B
B1C12:15	Passenger Up/Down Mirror Motor: Circuit Short To Battery Or Open	GO to Pinpoint Test B
B1C15:11	Passenger Up/Down Mirror Motor Feedback: Circuit Short To Ground	GO to Pinpoint Test C
B1C15:15	Passenger Up/Down Mirror Motor Feedback: Circuit Short To Battery Or Open	GO to Pinpoint Test C
B1C16:11	Passenger Left/Right Mirror Motor Feedback: Circuit Short To Ground	GO to Pinpoint Test C
B1C16:15	Passenger Left/Right Mirror Motor Feedback: Circuit Short To Battery Or Open	GO to Pinpoint Test C
C1B15:11	Sensor Supply Voltage B: Circuit Short To Ground	GO to Pinpoint Test C
C1B15:15	Sensor Supply Voltage B: Circuit Short To Battery or Open	GO to Pinpoint Test C
All other PDM Diagnostic Trouble Codes (DTCs)	-	REFER to: Locks, Latches and Entry Systems (501-14 Handles, Locks, Latches and Entry Systems, Diagnosis and Testing).

DTC Chart: IPMA

Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices.
REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).

DTC	Description	Action
B1286:14	Interior Mirror: Circuit Short To Ground or Open	GO to Pinpoint Test G
All other IPMA Diagnostic Trouble Codes (DTCs)	-	REFER to: Lane Keeping System (419-07 Lane Keeping System, Diagnosis and Testing).

DTC Chart: FCIM

Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices.
REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).

DTC	Description	Action
B1C83:12	Rear Defog Relay: Circuit Short to Battery	See DTC Chart: FCIM. REFER to: Glass, Frames and Mechanisms (501-11 Glass, Frames and Mechanisms, Diagnosis and Testing).
B1C83:14	Rear Defog Relay: Circuit Short To Ground or Open
All other FCIM Diagnostic Trouble Codes (DTCs)	-	REFER to: Climate Control System - Vehicles With: Dual Automatic Temperature Control (DATC) (412-00 Climate Control System - General Information, Diagnosis and Testing). REFER to: Climate Control System - Vehicles With: Electronic Manual Temperature Control (EMTC) (412-00 Climate Control System - General Information, Diagnosis and Testing).

Symptom Chart(s)

Symptom Chart: Rear View Mirrors - Exterior

Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices.
REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).

NOTE: Clean the entire mirror assembly and glass to assist in verification of the customer concern and/or impact damage. Do not clean any mirror glass or housing with an ice scraper, razor blade, abrasive pad, harsh chemicals or petroleum based cleaning products, as these may damage the mirror glass and/or housing.

Condition	Possible Causes	Action
One or both exterior mirrors fold inward due to wind pressure	Power folding mirrors are not synchronized (vehicles equipped with folding mirrors only Mirror structural bracket is damaged	For vehicles equipped with power folding mirror, SYNCHRONIZE the power folding mirrors. REFER to: Power Mirrors Synchronization (501-09 Rear View Mirrors, General Procedures). If the concern is still present after the power mirrors synchronization procedure was performed, INSPECT the mirror for structural damage. If necessary, INSTALL a new mirror. REFER to: Exterior Mirror (501-09 Rear View Mirrors, Removal and Installation). For vehicles not equipped with power folding mirror, INSPECT the mirror for structural damage. If necessary, INSTALL a new mirror. REFER to: Exterior Mirror (501-09 Rear View Mirrors, Removal and Installation).
Both exterior mirrors are inoperative	Wiring, terminals or connectors Power window concern Exterior mirror control switch (integral to the LH front door window control switch) DDM	VERIFY that all power windows can be operated normally from the LH front door window control switch. If all power windows operate normally from the LH front door window control switch, INSTALL a new LH front door window control switch. REFER to: Front Door Window Control Switch (501-11 Glass, Frames and Mechanisms, Removal and Installation). If the concern is the same after installing a new driver door window control switch, INSTALL a new DDM. REFER to: Driver Door Module (DDM) (419-10 Multifunction Electronic Modules, Removal and Installation). If all power windows do not operate normally from the LH front door window control switch, DIAGNOSE the power windows before continuing diagnostics for the exterior mirrors. REFER to: Glass, Frames and Mechanisms (501-11 Glass, Frames and Mechanisms, Diagnosis and Testing).
A single mirror is inoperative	Refer to the Pinpoint Test	GO to Pinpoint Test A
A single exterior mirror does not function correctly in all directions	Refer to the Pinpoint Test	GO to Pinpoint Test B
The exterior mirror memory recall feature is inoperative/does not operate correctly	Refer to the Pinpoint Test	GO to Pinpoint Test C
The mirrors make unexpected movements without exterior mirror control switch input	Memory position not set Memory position changed	Make sure the memory positions are set. Make sure customer is using the intended RKE transmitter. Each RKE transmitter is tied to it's own memory position when programmed.
A single heated exterior mirror is inoperative or always on	High ambient air temperature	The DDM and PDM automatically deactivate the heated exterior mirrors when the ambient air temperature is above 30° C ( 86° F). This is normal operation.
A single heated exterior mirror is inoperative or always on	Refer to the Pinpoint Test	GO to Pinpoint Test D
Both heated exterior mirrors are inoperative	Fuse Wiring, terminals or connectors Rear window defrost relay FCIM	DIAGNOSE the rear window defrost system. See Symptom Chart: The defrost system is inoperative. REFER to: Glass, Frames and Mechanisms (501-11 Glass, Frames and Mechanisms, Diagnosis and Testing).
The LH and RH heated exterior mirrors do not defrost at the same rate	Normal operation of the heated exterior mirror	No action required, the system is operating correctly at this time.
The heated exterior mirrors do not operate from the voice command only	Defrost system concern Voice recognition system concern	VERIFY the heated exterior mirrors operation using the FCIM defrost button. If the heated exterior mirrors are inoperative, DIAGNOSE the rear window defrost system. See Symptom Chart: The defrost system does not respond to voice command only . REFER to: Glass, Frames and Mechanisms (501-11 Glass, Frames and Mechanisms, Diagnosis and Testing). If the heated exterior mirrors operate, DIAGNOSE the inoperative voice recognition system. See the Symptom Chart: SYNC® System. Voice recognition is inoperative or does not operate correctly. Refer to the appropriate section in Group 415 for the procedure.
The heated exterior mirrors do not operate from the touchscreen command only	Defrost system concern APIM FDIM	VERIFY the heated exterior mirrors operation using the FCIM defrost button. If the heated exterior mirrors are inoperative, DIAGNOSE the rear window defrost system. See Symptom Chart: The defrost system does not respond to touchscreen command only. REFER to: Glass, Frames and Mechanisms (501-11 Glass, Frames and Mechanisms, Diagnosis and Testing). If the heated exterior mirrors operate, DIAGNOSE the inoperative touchscreen system. See the Symptom Chart: General Audio System. The FDIM touchscreen is inoperative or does not operate correctly. Refer to the appropriate section in Group 415 for the procedure.
The LH and/or RH power folding mirror is inoperative/does not operate correctly	Refer to the Pinpoint Test	GO to Pinpoint Test E
The LH and/or RH automatic power folding mirror feature is inoperative (power folding mirrors can be activated manually using the exterior mirror fold switch)	Refer to the Pinpoint Test	GO to Pinpoint Test F
The LH and RH power folding mirror do not fold and/or unfold at the same rate of speed	Normal operation of the power folding mirror	No action required, the system is operating correctly at this time.
The LH auto-dimming exterior mirror is inoperative or always in a darkened state	Refer to the Pinpoint Test	GO to Pinpoint Test G
An exterior mirror selection switch LED is inoperative (exterior mirror selection switch functions normally)	Exterior mirror selection switch	INSTALL a new LH front door window control switch. REFER to: Front Door Window Control Switch (501-11 Glass, Frames and Mechanisms, Removal and Installation).
The exterior mirror puddle lamp is inoperative or always on	Wiring, terminals or connectors Puddle lamp Exterior mirror Door module	See Symptom Chart: Interior Lighting. REFER to: Interior Lighting (417-02 Interior Lighting, Diagnosis and Testing).
The exterior mirror turn signal is inoperative or always on	Wiring, terminals or connectors Bulb Door module BCM	See Symptom Chart: Turn Signal and Hazard Lamps. REFER to: Turn Signal and Hazard Lamps (417-01 Exterior Lighting, Diagnosis and Testing).
The BLIS®/ CTA indicator is inoperative or always on	Wiring, terminals or connectors Communication concern Exterior mirror glass Side obstacle detection control module Door module	See Symptom Chart - BLIS and/or Symptom Chart - CTA. REFER to: Blind Spot Information System (419-04 Side and Rear Vision, Diagnosis and Testing).

Symptom Chart: Rear View Mirrors - Interior

Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices.
REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).

Condition	Possible Causes	Action
The interior mirror is blemished	Interior mirror glass/housing is dirty	NOTE: Do not clean the housing or glass of any mirror with harsh abrasives, fuel or other petroleum-based cleaning products. CLEAN the affected interior mirror surface
The interior mirror vibrates or is loose	Interior mirror mounting loose	If the mirror is still on the windshield, do not remove. ATTEMPT to fully seat the mirror first. If the mirror is still loose or vibrates, REMOVE and REINSTALL the mirror. If the condition still exists, INSTALL a new interior mirror. REFER to: Interior Rear View Mirror (501-09 Rear View Mirrors, Removal and Installation).
The interior auto-dimming mirror does not operate correctly	Refer to the Pinpoint Test	GO to Pinpoint Test H

Symptom Chart: Rear View Mirrors - NVH

Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices.
REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).

Condition	Possible Causes	Action
Exterior mirror housing vibrates or is loose	Power folding mirrors are not synchronized	SYNCHRONIZE the power folding mirrors. REFER to: Power Mirrors Synchronization (501-09 Rear View Mirrors, General Procedures).
	Exterior mirror mounting nuts loose	TIGHTEN the exterior mirror mounting nuts. REFER to: Exterior Mirror (501-09 Rear View Mirrors, Removal and Installation).
	Aftermarket air deflector/stone shields	If possible, REMOVE the aftermarket parts and ROAD TEST the vehicle. If the concern is no longer present, ADVISE the customer that the aftermarket components were causing the undesired vibration.
Exterior mirror glass vibrates or is loose	Exterior mirror motor mounting screws loose Exterior mirror glass loose Exterior mirror glass	PRESS the center of the exterior mirror glass up, down, left and right to make sure that the exterior mirror glass is seated correctly. If the exterior mirror glass is still loose, REMOVE the exterior mirror glass. INSPECT the exterior mirror backing plate for damage. INSPECT the exterior mirror motor mounting screws and TIGHTEN if necessary. If the exterior mirror backing plate is damaged, INSTALL a new exterior mirror glass. REFER to: Exterior Mirror (501-09 Rear View Mirrors, Removal and Installation).
Wind noise	Foam gasket between exterior mirror housing and door is misaligned or damaged	VERIFY the gasket is in good condition. If necessary, REPOSITION the gasket between the exterior mirror housing and the door or REPAIR the foam gasket as necessary. The foam gasket is not serviceable and if it cannot be repaired, INSTALL a new exterior mirror. REFER to: Exterior Mirror (501-09 Rear View Mirrors, Removal and Installation).
	Exterior mirror is not correctly fitted to the door	VERIFY there are no gaps between the exterior mirror and the door. If necessary, LOOSEN the exterior mirror nuts and REPOSITION the exterior mirror as necessary. REFER to: Exterior Mirror (501-09 Rear View Mirrors, Removal and Installation).
	Exterior mirror impact damage	INSPECT the exterior mirror to ensure that there is no damage to the housing or glass.
The interior mirror vibrates or is loose	Interior mirror mounting loose	If the mirror is still on the windshield, do not remove. ATTEMPT to fully seat the mirror first. If the mirror is still loose or vibrates, REMOVE and REINSTALL the mirror. If the condition still exists, INSTALL a new interior mirror. REFER to: Interior Rear View Mirror (501-09 Rear View Mirrors, Removal and Installation).

Pinpoint Tests

A Single Mirror Is Inoperative

Refer to Wiring Diagrams Cell 124 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Rear View Mirrors - System Operation and Component Description (501-09 Rear View Mirrors, Description and Operation).

DDM DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Conditions
B1C06:15	Driver Up/Down And Common Mirror Motor: Circuit Short To Battery or Open	A continuous and on-demand DTC that sets in the DDM if the DDM detects a lower than expected current draw when voltage is applied to the common mirror motor circuit.

PDM DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Conditions
B1C08:15	Passenger Left/Right and Common Mirror Motor: Circuit Short To Battery or Open	A continuous memory DTC that sets in the PDM if the PDM detects a lower than expected current draw when voltage is applied to the common mirror motor circuit.

Possible Causes

Wiring, terminals or connectors
Power window concern
Exterior mirror control switch (integral to the LH front door window control switch)
Exterior mirror

Visual Inspection and Diagnostic Pre-Checks

Inspect the suspect exterior mirror for damage or obstructions.
Verify all of the power windows can be opened and closed normally using the LH front door window control switch.

PINPOINT TEST A : A SINGLE MIRROR IS INOPERATIVE

A1 INSPECT THE INOPERATIVE MIRROR

Center the inoperative exterior mirror glass within the mirror housing by hand.

Ignition ON.

Select the inoperative mirror using the selection switch.

NOTE: Cycle the ignition between each mirror direction. Operate the suspect exterior mirror in the up, down, left and right directions and cycle the ignition between each direction change.

Does the suspect exterior mirror operate in any direction?

Yes

GO to Pinpoint Test B

GO to A2

A2 CHECK THE DRIVER DOOR WINDOW CONTROL SWITCH

Ignition ON.

Operate all windows using the driver door window control switch.

Do all the power windows operate correctly?

Yes

GO to A3

No	DIAGNOSE the power windows before continuing diagnosis of the power mirrors. REFER to: Glass, Frames and Mechanisms (501-11 Glass, Frames and Mechanisms, Diagnosis and Testing).

A3 CHECK THE EXTERIOR MIRROR CONTROL SWITCH PARAMETER IDENTIFICATIONS (PIDS)

Using a diagnostic scan tool, view the DDM Parameter Identifications (PIDs).

Using a diagnostic scan tool, view the following DDM mirror control switch Parameter Identifications (PIDs):
- MIR_SELSW_L
- MIR_SELSW_R
- MIR_SW_DN
- MIR_SW_UP
- MIR_SW_L
- MIR_SW_R

While monitoring the Parameter Identifications (PIDs), switch the mirror control switch to the left mirror and press each directional control switch.

While monitoring the Parameter Identifications (PIDs), switch the mirror control switch to the right mirror and press each directional control switch.

Do the Parameter Identifications (PIDs) agree with the mirror control switch presses?

Yes

GO to A4

No	INSTALL a new LH front door window control switch. REFER to: Front Door Window Control Switch (501-11 Glass, Frames and Mechanisms, Removal and Installation).

A4 CHECK THE MIRROR COMMON CIRCUIT FOR AN OPEN

Disconnect suspect exterior mirror C517 (LH concern) or C626 (RH concern).

Measure:
Click to display connectors
LH exterior mirror

Positive Lead Measurement / Action Negative Lead

C501B-17 C517-4

Click to display connectors
RH exterior mirror

Positive Lead Measurement / Action Negative Lead

C652B-17 C626-4

Is the resistance less than 3 ohms?

Yes

GO to A5

No	REPAIR the circuit.

A5 CHECK THE EXTERIOR MIRROR JUMPER HARNESS

Inspect the exterior mirror jumper harness between the vehicle harness and the mirror motors for:
- Open or short circuits
- Damaged or pushed out pins
- Corrosion

Is the harness OK?

Yes

INSTALL a new exterior mirror.
REFER to: Exterior Mirror (501-09 Rear View Mirrors, Removal and Installation).

No	REPAIR the harness as necessary. If the harness cannot be repaired, INSTALL a new exterior mirror. REFER to: Exterior Mirror (501-09 Rear View Mirrors, Removal and Installation).

A Single Exterior Mirror Does Not Function Correctly In All Directions

Refer to Wiring Diagrams Cell 124 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Rear View Mirrors - System Operation and Component Description (501-09 Rear View Mirrors, Description and Operation).

DDM DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Conditions
B1C06:11	Driver Up/Down And Common Mirror Motor: Circuit Short To Ground	A continuous and on-demand DTC that sets in the DDM if the DDM detects a higher than expected current draw when voltage is applied to the common mirror motor circuit.
B1C06:15	Driver Up/Down And Common Mirror Motor: Circuit Short To Battery or Open	A continuous and on-demand DTC that sets in the DDM if the DDM detects a lower than expected current draw when voltage is applied to the common mirror motor circuit.
B1C09:11	Driver Left/Right Mirror Motor: Circuit Short To Ground	A continuous and on-demand DTC that sets in the DDM if the DDM detects a higher than expected current draw when voltage is applied to the horizontal mirror motor circuit.
B1C09:15	Driver Left/Right Mirror Motor: Circuit Short To Battery Or Open	A continuous and on-demand DTC that sets in the DDM if the DDM detects a lower than expected current draw when voltage is applied to the horizontal mirror motor circuit.
B1C10:11	Driver Up/Down Mirror Motor: Circuit Short To Ground	A continuous and on-demand DTC that sets in the DDM if the DDM detects a higher than expected current draw when voltage is applied to the vertical mirror motor circuit.
B1C10:15	Driver Up/Down Mirror Motor: Circuit Short To Battery Or Open	A continuous and on-demand DTC that sets in the DDM if the DDM detects a lower than expected current draw when voltage is applied to the vertical mirror motor circuit.

PDM DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Conditions
B1C08:11	Passenger Left/Right and Common Mirror Motor: Circuit Short To Ground	A continuous and on-demand DTC that sets in the PDM if the PDM detects a higher than expected current draw when voltage is applied to the common mirror motor circuit.
B1C08:15	Passenger Left/Right and Common Mirror Motor: Circuit Short To Battery or Open	A continuous memory DTC that sets in the PDM if the PDM detects a lower than expected current draw when voltage is applied to the common mirror motor circuit.
B1C11:11	Passenger Left/Right Mirror Motor: Circuit Short To Ground	A continuous and on-demand DTC that sets in the PDM if the PDM detects a higher than expected current draw when voltage is applied to the horizontal mirror motor circuit.
B1C11:15	Passenger Left/Right Mirror Motor: Circuit Short To Battery Or Open	A continuous memory DTC that sets in the PDM if the PDM detects a lower than expected current draw when voltage is applied to the horizontal mirror motor circuit.
B1C12:11	Passenger Up/Down Mirror Motor: Circuit Short To Ground	A continuous memory DTC that sets in the PDM if the PDM detects a higher than expected current draw when voltage is applied to the vertical mirror motor circuit.
B1C12:15	Passenger Up/Down Mirror Motor: Circuit Short To Battery Or Open	A continuous and on-demand DTC that sets in the PDM if the PDM detects a lower than expected current draw when voltage is applied to the vertical mirror motor circuit.

Possible Causes

Wiring, terminals or connectors
Exterior mirror control switch (integral to the LH front door window control switch)
Power mirror system concern
Exterior mirror motor
Exterior mirror
DDM
PDM

Visual Inspection and Diagnostic Pre-Checks

Inspect the suspect exterior mirror for damage or obstructions.

PINPOINT TEST B : A SINGLE EXTERIOR MIRROR DOES NOT FUNCTION CORRECTLY IN ALL DIRECTIONS

B1 CHECK THE MIRROR MOVEMENT

Center the suspect exterior mirror glass within the mirror housing by hand.

Ignition ON.

Select the suspect mirror using the selection switch.

NOTE: Cycle the ignition between each mirror direction. Operate the exterior mirror in the up, down, left and right directions and cycle the ignition between each direction change.

Does the suspect exterior mirror operate in any direction?

Yes

GO to B2

No	GO to Pinpoint Test A

B2 CHECK THE EXTERIOR MIRROR CONTROL SWITCH PARAMETER IDENTIFICATIONS (PIDS)

Using a diagnostic scan tool, view the DDM Parameter Identifications (PIDs).

Using a diagnostic scan tool, view the following DDM mirror control switch Parameter Identifications (PIDs):
- MIR_SELSW_L
- MIR_SELSW_R
- MIR_SW_DN
- MIR_SW_UP
- MIR_SW_L
- MIR_SW_R

While monitoring the Parameter Identifications (PIDs), press the left mirror selection switch and press each directional control switch.

While monitoring the Parameter Identifications (PIDs), press the right mirror selection switch and press each directional control switch.

Do the Parameter Identifications (PIDs) agree with the mirror control switch presses?

Yes

GO to B3

No	INSTALL a new LH front door window control switch. REFER to: Front Door Window Control Switch (501-11 Glass, Frames and Mechanisms, Removal and Installation).

B3 CHECK THE VOLTAGE OUTPUT TO THE SUSPECT EXTERIOR MIRROR

NOTICE: The following step uses a test lamp to simulate normal circuit loads. Use only a Rotunda Test Lamp (SGT27000) or 250-300mA incandescent bulb test lamp. To avoid connector terminal damage, use the Rotunda Flex Probe kit for the test lamp probe connection to the vehicle. Do not use the test lamp probe directly on any connector.

Ignition OFF.

Disconnect Disconnect: Suspect Exterior Mirror C517 (LH concern) or C626 (RH concern).

Ignition ON.

Select the suspect exterior mirror by pressing the appropriate exterior mirror selection switch.

Connect:
Click to display connectors
LH exterior mirror

Lead 1 Measurement / Action Lead 2

C517-6 Ground

C517-4 Ground

Click to display connectors
RH exterior mirror

Lead 1 Measurement / Action Lead 2

C626-6 Ground

C626-4 Ground

Press the exterior mirror control switch in the left/right directions and monitor the test lamp.

Connect:
Click to display connectors
LH exterior mirror

Lead 1 Measurement / Action Lead 2

C517-3 Ground

C517-4 Ground

Click to display connectors
RH exterior mirror

Lead 1 Measurement / Action Lead 2

C626-3 Ground

C626-4 Ground

Press the exterior mirror control switch in the up/down directions and monitor the test lamp.

Does the test lamp illuminate only when the exterior mirror control switch is pressed in each direction?

Yes

GO to B8

GO to B4

B4 CHECK THE SUSPECT EXTERIOR MIRROR CIRCUITS FOR A SHORT TO VOLTAGE

Ignition OFF.

Disconnect DDM C501B (LH concern) or PDM C652B (RH concern).

Ignition ON.

Measure:
Click to display connectors

LH exterior mirror

Positive Lead	Measurement / Action	Negative Lead
C517-3		Ground
C517-4		Ground
C517-6		Ground

Click to display connectors

RH exterior mirror

Positive Lead	Measurement / Action	Negative Lead
C626-3		Ground
C626-4		Ground
C626-6		Ground

Is any voltage present?

Yes

REPAIR the circuit in question.

GO to B5

B5 CHECK THE SUSPECT EXTERIOR MIRROR CIRCUITS FOR A SHORT TO GROUND

Ignition OFF.

Measure:
Click to display connectors

LH exterior mirror

Positive Lead	Measurement / Action	Negative Lead
C517-3		Ground
C517-4		Ground
C517-6		Ground

Click to display connectors

RH exterior mirror

Positive Lead	Measurement / Action	Negative Lead
C626-3		Ground
C626-4		Ground
C626-6		Ground

Are the resistances greater than 10,000 ohms?

Yes

GO to B6

No	REPAIR the circuit in question.

B6 CHECK THE SUSPECT EXTERIOR MIRROR CIRCUITS FOR AN OPEN

Measure:
Click to display connectors

LH exterior mirror

Positive Lead	Measurement / Action	Negative Lead
C517-3		C501B-7
C517-4		C501B-17
C517-6		C501B-8

Click to display connectors

RH exterior mirror

Positive Lead	Measurement / Action	Negative Lead
C626-3		C652B-7
C626-4		C652B-17
C626-6		C652B-8

Are the resistances less than 3 ohms?

Yes

GO to B7

No	REPAIR the circuit in question.

B7 CHECK FOR CORRECT DDM (DRIVER DOOR MODULE) / PDM (PASSENGER DOOR MODULE) OPERATION

Ignition OFF.

Disconnect and inspect all DDM/ PDM connectors and related in-line connectors.

Repair:
- corrosion (install new connector or terminals - clean module pins)
- damaged or bent pins - install new terminals/pins
- pushed-out pins - install new pins as necessary

Reconnect the DDM/ PDM connectors and related in-line connectors. Make sure they seat and latch correctly.

Operate the system to determine if the concern is still present.

Is the concern still present?

Yes

CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, DISCONTINUE this test and FOLLOW the TSB instructions. If no Technical Service Bulletins (TSBs) address this concern, INSTALL a new DDM/ PDM. REFER to: Driver Door Module (DDM) (419-10 Multifunction Electronic Modules, Removal and Installation).
REFER to: Passenger Door Module (PDM) (419-10 Multifunction Electronic Modules, Removal and Installation).

No	The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

B8 CHECK THE EXTERIOR MIRROR JUMPER HARNESS

Inspect the exterior mirror jumper harness between the vehicle harness and the mirror motors for:
- Open or short circuits
- Damaged or pushed out pins
- Corrosion

Is the harness OK?

Yes

INSTALL a new exterior mirror motor in question.
REFER to: Exterior Mirror (501-09 Rear View Mirrors, Removal and Installation).

No	REPAIR the harness as necessary. If the harness cannot be repaired, INSTALL a new exterior mirror. REFER to: Exterior Mirror (501-09 Rear View Mirrors, Removal and Installation).

The Exterior Mirror Memory Recall Feature Is Inoperative/Does Not Operate Correctly

Refer to Wiring Diagrams Cell 124 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Rear View Mirrors - System Operation and Component Description (501-09 Rear View Mirrors, Description and Operation).

DDM DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Conditions
B1C13:11	Driver Up/Down Mirror Motor Feedback: Circuit Short To Ground	A continuous and on-demand DTC that sets in the DDM if the DDM detects a short to ground from the vertical position feedback circuit.
B1C13:15	Driver Up/Down Mirror Motor Feedback: Circuit Short To Battery Or Open	A continuous and on-demand DTC that sets in the DDM if the DDM detects a short to voltage or open from the vertical position feedback circuit.
B1C14:11	Driver Left/Right Mirror Motor Feedback: Circuit Short To Ground	A continuous and on-demand DTC that sets in the DDM if the DDM detects a short to ground from the horizontal position feedback circuit.
B1C14:15	Driver Left/Right Mirror Motor Feedback: Circuit Short To Battery Or Open	A continuous and on-demand DTC that sets in the DDM if the DDM detects a short to voltage or open from the horizontal position feedback circuit.
C1B15:11	Sensor Supply Voltage B: Circuit Short To Ground	A continuous and on-demand DTC that sets in the DDM if the DDM detects a short to ground from the exterior mirror position sensor voltage supply circuit.
C1B15:15	Sensor Supply Voltage B: Circuit Short To Battery or Open	A continuous and on-demand DTC that sets in the DDM if the DDM detects a short to voltage or open from the exterior mirror position sensor voltage supply circuit.

PDM DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Conditions
B1C15:11	Passenger Up/Down Mirror Motor Feedback: Circuit Short To Ground	A continuous and on-demand DTC that sets in the PDM if the PDM detects a short to ground from the vertical position feedback circuit.
B1C15:15	Passenger Up/Down Mirror Motor Feedback: Circuit Short To Battery Or Open	A continuous and on-demand DTC that sets in the PDM if the PDM detects a short to voltage or open from the vertical position feedback circuit.
B1C16:11	Passenger Left/Right Mirror Motor Feedback: Circuit Short To Ground	A continuous and on-demand DTC that sets in the PDM if the PDM detects a short to ground from the horizontal position feedback circuit.
B1C16:15	Passenger Left/Right Mirror Motor Feedback: Circuit Short To Battery Or Open	A continuous and on-demand DTC that sets in the PDM if the PDM detects a short to voltage or open from the horizontal position feedback circuit.
C1B15:11	Sensor Supply Voltage B: Circuit Short To Ground	A continuous and on-demand DTC that sets in the PDM if the PDM detects a short to ground from the exterior mirror position sensor voltage supply circuit.
C1B15:15	Sensor Supply Voltage B: Circuit Short To Battery or Open	A continuous and on-demand DTC that sets in the PDM if the PDM detects a short to voltage or open from the exterior mirror position sensor voltage supply circuit.

Possible Causes

Wiring, terminals or connectors
Memory seat system concern
Power mirror system concern
Exterior mirror motor
Exterior mirror
DDM
PDM

NOTE: If the DDM or PDM detects a mirror motor feedback circuit fault, a timeout strategy disables the memory operations for 30 seconds to prevent system damage. After the 30 seconds timeout, normal operation resumes.

PINPOINT TEST C : THE EXTERIOR MIRROR MEMORY RECALL FEATURE IS INOPERATIVE/DOES NOT OPERATE CORRECTLY

C1 CHECK THE MEMORY SEAT OPERATION

Ignition ON.

Check the operation of the memory seat recall function.

Does the memory seat recall function operate?

Yes

GO to C2

No	DIAGNOSE the memory seat system prior to continuing diagnostics for the exterior mirror memory recall feature. REFER to: Front Seats (501-10A Front Seats, Diagnosis and Testing).

C2 CHECK THE POWER MIRRORS OPERATION

Center the exterior mirrors glass within the mirror housing by hand.

Select the suspect mirror using the selection switch.

NOTE: Cycle the ignition between each mirror direction. Operate the suspect exterior mirror in the up, down, left and right directions and cycle the ignition between each direction change.

Does the suspect mirror operate in all directions?

Yes

GO to C3

No	If a single mirror is inoperative, GO to Pinpoint Test A If a single exterior mirror does not function correctly in all directions, GO to Pinpoint Test B

C3 CHECK THE SUSPECT EXTERIOR MIRROR POSITION SENSOR CIRCUITS FOR A SHORT TO VOLTAGE

Ignition OFF.

Disconnect suspect exterior mirror C517 (LH concern) or C626 (RH concern).

Disconnect DDM C501B (LH concern) or PDM C652B (RH concern).

Ignition ON.

Measure:
Click to display connectors

LH exterior mirror

Positive Lead	Measurement / Action	Negative Lead
C517-12		Ground
C517-13		Ground
C517-14		Ground
C517-15		Ground

Click to display connectors

RH exterior mirror

Positive Lead	Measurement / Action	Negative Lead
C626-12		Ground
C626-13		Ground
C626-14		Ground
C626-15		Ground

Is any voltage present?

Yes

GO to C4

No	REPAIR the circuit in question.

C4 CHECK THE SUSPECT EXTERIOR MIRROR POSITION SENSOR CIRCUITS FOR A SHORT TO GROUND

Ignition OFF.

Measure:
Click to display connectors

LH exterior mirror

Positive Lead	Measurement / Action	Negative Lead
C517-12		Ground
C517-13		Ground
C517-14		Ground
C517-15		Ground

Click to display connectors

RH exterior mirror

Positive Lead	Measurement / Action	Negative Lead
C626-12		Ground
C626-13		Ground
C626-14		Ground
C626-15		Ground

Are the resistances greater than 10,000 ohms?

Yes

GO to C5

No	REPAIR the circuit in question.

C5 CHECK THE SUSPECT EXTERIOR MIRROR POSITION SENSOR CIRCUITS FOR AN OPEN

Measure:
Click to display connectors

LH exterior mirror

Positive Lead	Measurement / Action	Negative Lead
C517-12		C501B-5
C517-13		C501B-6
C517-14		C501B-16
C517-15		C501B-15

Click to display connectors

RH exterior mirror

Positive Lead	Measurement / Action	Negative Lead
C626-12		C652B-5
C626-13		C652B-6
C626-14		C652B-16
C626-15		C652B-15

Are the resistances less than 3 ohms?

Yes

GO to C6

No	REPAIR the circuit in question.

C6 CHECK THE EXTERIOR MIRROR JUMPER HARNESS

Inspect the exterior mirror jumper harness between the vehicle harness and the mirror motors for:
- Open or short circuits
- Damaged or pushed out pins
- Corrosion

Is the harness OK?

Yes

INSTALL a new exterior mirror motor.
REFER to: Exterior Mirror (501-09 Rear View Mirrors, Removal and Installation). TEST the system for normal operation. If the concern is still present, GO to C7

No	REPAIR the harness as necessary. If the harness cannot be repaired, INSTALL a new exterior mirror. REFER to: Exterior Mirror (501-09 Rear View Mirrors, Removal and Installation).

C7 CHECK FOR CORRECT DDM (DRIVER DOOR MODULE) / PDM (PASSENGER DOOR MODULE) OPERATION

Ignition OFF.

Disconnect and inspect all DDM/ PDM connectors and related in-line connectors.

Repair:
- corrosion (install new connector or terminals - clean module pins)
- damaged or bent pins - install new terminals/pins
- pushed-out pins - install new pins as necessary

Reconnect the DDM/ PDM connectors and related in-line connectors. Make sure they seat and latch correctly.

Operate the system to determine if the concern is still present.

Is the concern still present?

Yes

No	The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

A Single Heated Exterior Mirror Is Inoperative Or Always On

Refer to Wiring Diagrams Cell 124 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Rear View Mirrors - System Operation and Component Description (501-09 Rear View Mirrors, Description and Operation).

NOTE: The DDM and PDM automatically deactivate the heated exterior mirrors when the ambient air temperature is above 30° C (86° F).

DDM DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Conditions
B1163:11	Left Mirror Heater Output: Circuit Short To Ground	This continuous and on-demand DTC sets if the DDM detects a higher than expected current draw when voltage is applied to the LH exterior mirror heater circuit.
B1163:15	Left Mirror Heater Output: Circuit Short To Battery Or Open	This continuous and on-demand DTC sets if the DDM detects a lower than expected current draw when voltage is applied to the LH exterior mirror heater circuit.

PDM DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Conditions
B1164:11	Right Mirror Heater Output: Circuit Short To Ground	This continuous and on-demand DTC sets if the PDM detects a higher than expected current draw when voltage is applied to the RH exterior mirror heater circuit.
B1164:15	Right Mirror Heater Output: Circuit Short To Battery Or Open	This continuous and on-demand DTC sets if the PDM detects a lower than expected current draw when voltage is applied to the RH exterior mirror heater circuit.

Possible Causes

Wiring, terminals or connectors
Exterior mirror glass
Exterior mirror
Door module

Visual Inspection and Diagnostic Pre-Checks

Inspect the suspect exterior mirror housing and glass for damage.

PINPOINT TEST D : A SINGLE HEATED EXTERIOR MIRROR IS INOPERATIVE OR ALWAYS ON

D1 CHECK THE DDM (DRIVER DOOR MODULE) OR PDM (PASSENGER DOOR MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)

Ignition ON.

Using a diagnostic scan tool, perform the DDM ( LH concern) or PDM ( RH concern) self-test.

Are any Diagnostic Trouble Codes (DTCs) present?

Yes

• For DDM DTC B1163:11 or PDM DTC B1164:11, GO to D6
• For DDM DTC B1163:15 or PDM DTC B1164:15, GO to D2
• For all other DDM or PDM Diagnostic Trouble Codes (DTCs), REFER to the DDM or PDM DTC Chart in this section.

GO to D2

D2 CHECK THE EXTERIOR MIRROR HEATER OUTPUT VOLTAGE AT THE INOPERATIVE EXTERIOR MIRROR

Ignition OFF.

Disconnect Exterior Mirror C517 (LH exterior mirror) or C626 (RH exterior mirror).

Start the engine.

Connect:
Click to display connectors
LH exterior mirror

Lead 1 Measurement / Action Lead 2

C517-1 C517-8

Click to display connectors
RH exterior mirror

Lead 1 Measurement / Action Lead 2

C626-1 C626-8

NOTE: The defrost system activates for 10 minutes With the engine running, activate the rear window defrost.

Does the test light illuminate only when the rear window defrost is activated?

Yes

GO to D10

No	• If the test light is illuminated at all times, GO to D3 • If the test light does not illuminate, GO to D4

D3 CHECK THE HEATER CIRCUIT FOR A SHORT TO VOLTAGE AT THE EXTERIOR MIRROR

Ignition OFF.

Disconnect DDM C501B (LH concern) or PDM C652B (RH concern).

Ignition ON.

Measure:
Click to display connectors
LH exterior mirror

Positive Lead Measurement / Action Negative Lead

C517-1 Ground

Click to display connectors
RH exterior mirror

Positive Lead Measurement / Action Negative Lead

C626-1 Ground

Is any voltage present?

Yes

REPAIR the circuit.

No	• For the LH mirror, GO to D8 • For the RH mirror, GO to D9

D4 CHECK FOR VOLTAGE TO THE HEATER CIRCUIT AT THE EXTERIOR MIRROR

Turn the rear window defrost off.

Connect:
Click to display connectors
LH exterior mirror

Lead 1 Measurement / Action Lead 2

C517-1 Ground

Click to display connectors
RH exterior mirror

Lead 1 Measurement / Action Lead 2

C626-1 Ground

NOTE: The defrost system activates for 10 minutes With the engine running, activate the rear window defrost.

Does the test light illuminate?

Yes

REPAIR the ground circuit.

GO to D5

D5 CHECK FOR AN OPEN IN THE HEATER CIRCUIT BETWEEN THE MIRROR AND THE DOOR MODULE

Ignition OFF.

Disconnect DDM C501B (LH concern) or PDM C652B (RH concern).

Measure:
Click to display connectors
LH exterior mirror

Positive Lead Measurement / Action Negative Lead

C517-1 C501B-20

Click to display connectors
RH exterior mirror

Positive Lead Measurement / Action Negative Lead

C626-1 C652B-20

Is the resistance less than 3 ohms?

Yes

• For the LH mirror, GO to D8
• For the RH mirror, GO to D9

No	REPAIR the affected circuit.

D6 CHECK THE DOOR MODULE DIAGNOSTIC TROUBLE CODES (DTCS) WITH THE EXTERIOR MIRROR DISCONNECTED

Ignition OFF.

Disconnect suspect exterior mirror C517 (LH concern) or C626 (RH concern).

Ignition ON.

Using a diagnostic scan tool, clear the DDM or PDM Diagnostic Trouble Codes (DTCs).

Using a diagnostic scan tool, perform the DDM or PDM self-test.

Is DDM DTC B1163:15 or PDM DTC B1164:15 present?

Yes

• For a LH concern, GO to D8
• For a RH concern, GO to D9

GO to D7

D7 CHECK THE HEATER CIRCUIT FOR A SHORT TO GROUND AT THE EXTERIOR MIRROR

Ignition OFF.

Disconnect DDM C501B (LH concern) or PDM C652B (RH concern).

Measure:
Click to display connectors
LH

Positive Lead Measurement / Action Negative Lead

C517-1 Ground

Click to display connectors
RH

Positive Lead Measurement / Action Negative Lead

C626-1 Ground

Is the resistance greater than 10,000 ohms?

Yes

GO to D10

No	REPAIR the circuit.

D8 CHECK FOR CORRECT DDM (DRIVER DOOR MODULE) OPERATION

Ignition OFF.

Disconnect and inspect all DDM connectors and related in-line connectors.

Repair:
- corrosion (install new connector or terminals - clean module pins)
- damaged or bent pins - install new terminals/pins
- pushed-out pins - install new pins as necessary

Reconnect the DDM connectors and related in-line connectors. Make sure they seat and latch correctly.

Operate the system to determine if the concern is still present.

Is the concern still present?

Yes

CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, DISCONTINUE this test and FOLLOW the TSB instructions. If no Technical Service Bulletins (TSBs) address this concern, INSTALL a new DDM. REFER to: Driver Door Module (DDM) (419-10 Multifunction Electronic Modules, Removal and Installation).

No	The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

D9 CHECK FOR CORRECT PDM (PASSENGER DOOR MODULE) OPERATION

Ignition OFF.

Disconnect and inspect all PDM connectors and related in-line connectors.

Repair:
- corrosion (install new connector or terminals - clean module pins)
- damaged or bent pins - install new terminals/pins
- pushed-out pins - install new pins as necessary

Reconnect the PDM connectors and related in-line connectors. Make sure they seat and latch correctly.

Operate the system to determine if the concern is still present.

Is the concern still present?

Yes

CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, DISCONTINUE this test and FOLLOW the TSB instructions. If no Technical Service Bulletins (TSBs) address this concern, INSTALL a new PDM. REFER to: Passenger Door Module (PDM) (419-10 Multifunction Electronic Modules, Removal and Installation).

No	The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

D10 CHECK THE EXTERIOR MIRROR JUMPER HARNESS

Inspect the exterior mirror jumper harness between the vehicle harness and the mirror glass for:
- Open or short circuits
- Damaged or pushed out pins
- Corrosion

Is the harness OK?

Yes

INSTALL a new exterior mirror glass.
REFER to: Exterior Mirror (501-09 Rear View Mirrors, Removal and Installation).

No	REPAIR the harness as necessary. If the harness cannot be repaired, INSTALL a new exterior mirror. REFER to: Exterior Mirror (501-09 Rear View Mirrors, Removal and Installation).

The RH And/Or LH Power Folding Mirror Is Inoperative/Does Not Operate Correctly

Refer to Wiring Diagrams Cell 124 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Rear View Mirrors - System Operation and Component Description (501-09 Rear View Mirrors, Description and Operation).

DTCDTC	Description	Fault Trigger Conditions
B11F6:11	Driver Folding Mirror Motor: Circuit Short To Ground	A continuous memory and on-demand DTC that sets in the DDM if the DDM detects a greater than expected current draw when voltage is applied to the LH exterior mirror fold in circuit.
B11F6:15	Driver Folding Mirror Motor: Circuit Short To Battery or Open	A continuous memory and on-demand DTC that sets in the DDM if the DDM detects a lower than expected current draw when voltage is applied to the LH exterior mirror fold in circuit.
B11F7:11	Passenger Folding Mirror Motor: Circuit Short To Ground	A continuous memory and on-demand DTC that sets in the PDM if the PDM detects a greater than expected current draw when voltage is applied to the RH exterior mirror fold in circuit.
B11F7:15	Passenger Folding Mirror Motor: Circuit Short To Battery or Open	A continuous memory and on-demand DTC that sets in the PDM if the PDM detects a lower than expected current draw when voltage is applied to the RH exterior mirror fold in circuit.

Possible Causes

The power fold mirror motor lockout feature is active
Binding or obstructed power fold mirror
Power fold mirrors not synchronized
Communication network concern
Power window concern
Wiring, terminals or connectors
Exterior mirror fold switch (integral to the LH front door window control switch)
Exterior mirror
Door module

Visual Inspection and Diagnostic Pre-Checks

Verify all of the power windows can be opened and closed normally using the LH front door window control switch.
Verify that the power folding mirrors are not binding or obstructed.
Verify the lockout feature is disabled.

PINPOINT TEST E : THE RH (RIGHT-HAND) AND/OR LH (LEFT-HAND) POWER FOLDING MIRROR IS INOPERATIVE/DOES NOT OPERATE CORRECTLY

NOTE: The power folding mirrors must be synchronized anytime the RH, LH or both power folding mirrors are folded or unfolded without using the power folding mirror control switch, or if a new power folding mirror has been installed. Refer to Power Mirrors Synchronization in this section.

NOTE: If the exterior mirrors are folded and unfolded several times consecutively, the power lockout feature will disable the system for approximately 3-10 minutes to prevent damage to the power fold motors. After 3-10 minutes have elapsed, normal operation resumes.

E1 PERFORM A NETWORK TEST

Ignition ON.

Using a diagnostic scan tool, perform a network test.

Do the DDM and PDM pass the network test?

Yes

GO to E2

No	REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).

E2 CHECK THE DOOR MODULE DIAGNOSTIC TROUBLE CODES (DTCS)

Using a diagnostic scan tool, perform the DDM and PDM self-test.

Are any DDM Diagnostic Trouble Codes (DTCs) or PDM Diagnostic Trouble Codes (DTCs) present?

Yes

For DDM DTC B11F6:15 or PDM DTC B11F7:15, GO to E7
For DDM DTC B11F6:11 or PDM DTC B11F7:11, GO to E5
For all other DDM or PDM Diagnostic Trouble Codes (DTCs), REFER to the DDM or PDM DTC Chart in this section.

No	If both power folding mirrors are inoperative, GO to E3 If only one power folding mirror is inoperative, GO to E4

E3 CHECK THE LH (LEFT-HAND) FRONT DOOR WINDOW CONTROL SWITCH

Operate all windows using the LH front door window control switch.

Do all the power windows operate correctly?

Yes

INSTALL a new LH front door window control switch.
REFER to: Front Door Window Control Switch (501-11 Glass, Frames and Mechanisms, Removal and Installation).
If the concern is still present after switch replacement, GO to E11

No	DIAGNOSE the power windows before continuing diagnostics of the power folding mirrors. REFER to: Glass, Frames and Mechanisms (501-11 Glass, Frames and Mechanisms, Diagnosis and Testing).

E4 CHECK THE FOLD CIRCUIT FOR VOLTAGE AT THE SUSPECT EXTERIOR MIRROR

Ignition OFF.

Disconnect: Suspect Exterior Mirror C517 (LH power folding mirror concern) or C626 (RH power folding mirror concern).

Connect:
Click to display connectors
LH power folding mirror concern

Lead 1 Measurement / Action Lead 2

C517-16 C517-7

Click to display connectors
RH power folding mirror concern

Lead 1 Measurement / Action Lead 2

C626-16 C626-7

Ignition ON.

Press the exterior mirror fold switch.

Does the test light illuminate when the exterior mirror fold switch is pressed?

Yes

GO to E12

No	• For a RH power folding mirror concern, GO to E10 • For a LH power folding mirror concern, GO to E11

E5 CHECK THE DOOR MODULE DIAGNOSTIC TROUBLE CODES (DTCS) WITH THE SUSPECT EXTERIOR MIRROR DISCONNECTED

Ignition OFF.

Disconnect: Suspect Exterior Mirror C517 (LH power folding mirror concern) or C626 (RH power folding mirror concern).

Ignition ON.

Using a diagnostic scan tool, clear the DDM ( LH power folding mirror concern) or PDM ( RH power folding mirror concern) Diagnostic Trouble Codes (DTCs) and repeat the self-test.

Is DDM DTC B11F6:15 or PDM DTC B11F7:15 present?

Yes

GO to E12

GO to E6

E6 CHECK THE EXTERIOR MIRROR FOLD IN CIRCUIT FOR A SHORT TO GROUND

Ignition OFF.

Disconnect: DDM C501B (LH power folding mirror concern) or PDM C652B (RH power folding mirror concern).

Measure:
Click to display connectors
LH power folding mirror concern

Positive Lead Measurement / Action Negative Lead

C501B-18 Ground

Click to display connectors
RH power folding mirror concern

Positive Lead Measurement / Action Negative Lead

C652B-18 Ground

Is the resistance greater than 10,000 ohms?

Yes

• For a LH concern, GO to E11
• For a RH concern, GO to E10

No	REPAIR the circuit.

E7 CHECK THE DOOR MODULE DIAGNOSTIC TROUBLE CODES (DTCS) WITH THE FOLD CIRCUITS JUMPERED TOGETHER

Ignition OFF.

Disconnect: Suspect Exterior Mirror C517 (LH power folding mirror concern) or C626 (RH power folding mirror concern).

Connect:
Click to display connectors
LH power folding mirror concern

Positive Lead Measurement / Action Negative Lead

C517-16 C517-7

Click to display connectors
RH power folding mirror concern

Positive Lead Measurement / Action Negative Lead

C626-16 C626-7

Ignition ON.

Using a diagnostic scan tool, clear the DDM ( LH concern) or PDM ( RH concern) Diagnostic Trouble Codes (DTCs) and repeat the self-test.

Is DDM DTC B11F6:11 or PDM DTC B11F7:11 present?

Yes

REMOVE the fused jumper wire. GO to E12

No	REMOVE the fused jumper wire. GO to E8

E8 CHECK THE FOLD CIRCUITS FOR A SHORT TO VOLTAGE

Ignition OFF.

Disconnect: DDM C501B (LH power folding mirror concern) or PDM C652B (RH power folding mirror concern).

Ignition ON.

Measure:
Click to display connectors
LH power folding mirror concern

Positive Lead Measurement / Action Negative Lead

C517-16 Ground

C517-7 Ground

Click to display connectors
RH power folding mirror concern

Positive Lead Measurement / Action Negative Lead

C626-16 Ground

C626-7 Ground

Is any voltage present?

Yes

REPAIR the affected circuit.

GO to E9

E9 CHECK THE FOLD CIRCUITS FOR AN OPEN

Ignition OFF.

Measure:
Click to display connectors
LH power folding mirror concern

Positive Lead Measurement / Action Negative Lead

C517-16 C501B-18

C517-7 C501B-9

Click to display connectors
RH power folding mirror concern

Positive Lead Measurement / Action Negative Lead

C626-16 C652B-18

C626-7 C652B-9

Are the resistances less than 3 ohms?

Yes

• For a LH power folding mirror concern, GO to E11
• For a RH power folding mirror concern, GO to E10

No	REPAIR the affected circuit.

E10 CHECK FOR CORRECT PDM (PASSENGER DOOR MODULE) OPERATION

Ignition OFF.

Disconnect and inspect all PDM connectors and related in-line connectors.

Repair:
- corrosion (install new connector or terminals - clean module pins)
- damaged or bent pins - install new terminals/pins
- pushed-out pins - install new pins as necessary

Reconnect the PDM connectors and related in-line connectors. Make sure they seat and latch correctly.

Operate the system to determine if the concern is still present.

Is the concern still present?

Yes

CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, DISCONTINUE this test and FOLLOW the TSB instructions. If no Technical Service Bulletins (TSBs) address this concern, INSTALL a new PDM. REFER to: Passenger Door Module (PDM) (419-10 Multifunction Electronic Modules, Removal and Installation).

No	The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

E11 CHECK FOR CORRECT DDM (DRIVER DOOR MODULE) OPERATION

Ignition OFF.

Disconnect and inspect all DDM connectors and related in-line connectors.

Repair:
- corrosion (install new connector or terminals - clean module pins)
- damaged or bent pins - install new terminals/pins
- pushed-out pins - install new pins as necessary

Reconnect the DDM connectors and related in-line connectors. Make sure they seat and latch correctly.

Operate the system to determine if the concern is still present.

Is the concern still present?

Yes

CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, DISCONTINUE this test and FOLLOW the TSB instructions. If no Technical Service Bulletins (TSBs) address this concern, INSTALL a new DDM. REFER to: Driver Door Module (DDM) (419-10 Multifunction Electronic Modules, Removal and Installation).

No	The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

E12 CHECK THE EXTERIOR MIRROR JUMPER HARNESS

Inspect the exterior mirror jumper harness between the vehicle harness and the mirror motors for:
- Open or short circuits
- Damaged or pushed out pins
- Corrosion

Is the harness OK?

Yes

INSTALL a new exterior mirror. REFER to: Exterior Mirror (501-09 Rear View Mirrors, Removal and Installation).

No	REPAIR the harness as necessary. If the harness cannot be repaired, INSTALL a new exterior mirror. REFER to: Exterior Mirror (501-09 Rear View Mirrors, Removal and Installation).

The LH And/Or RH Automatic Power Folding Mirror Feature Is Inoperative

Normal Operation and Fault Conditions

REFER to: Rear View Mirrors - System Operation and Component Description (501-09 Rear View Mirrors, Description and Operation).

Possible Causes

Communication network concern
GWM concern
PCM concern
IPC concern
BCM concern
DDM
PDM

Visual Inspection and Diagnostic Pre-Checks

Verify the automatic power folding feature is turned on in the IPC message center.

PINPOINT TEST F : THE LH (LEFT-HAND) AND/OR RH (RIGHT-HAND) AUTOMATIC POWER FOLDING MIRROR FEATURE IS INOPERATIVE

F1 VERIFY BOTH POWER FOLDING MIRRORS CAN BE FOLDED AND UNFOLDED USING THE EXTERIOR MIRROR FOLD SWITCH

Ignition ON.

Using the exterior mirror fold switch, operate the power folding mirrors.

Do both mirrors fold and unfold using the switch?

Yes

GO to F2

No	GO to Pinpoint Test E

F2 PERFORM A NETWORK TEST

Using a diagnostic scan tool, perform a network test.

Do the DDM, PDM, IPC, BCM and GWM pass the network test?

Yes

GO to F3

No	See the Symptom Chart: Communication Network. REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).

F3 PERFORM THE IPC (INSTRUMENT PANEL CLUSTER) SELF-TEST

Using a diagnostic scan tool, perform the IPC self-test.

Are any Diagnostic Trouble Codes (DTCs) recorded?

Yes

See the DTC Chart: IPC.
REFER to: Instrumentation, Message Center and Warning Chimes (413-01 Instrumentation, Message Center and Warning Chimes, Diagnosis and Testing).

GO to F4

F4 PERFORM THE BCM (BODY CONTROL MODULE) SELF-TEST

Using a diagnostic scan tool, perform the BCM self-test.

Are any Diagnostic Trouble Codes (DTCs) recorded?

Yes

See the BCM DTC Chart.
REFER to: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Diagnosis and Testing).

GO to F5

F5 CHECK THE PCM (POWERTRAIN CONTROL MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)

Using a diagnostic scan tool, perform the PCM self-test.

Are any Diagnostic Trouble Codes (DTCs) recorded?

Yes

See Electronic Engine Control, PCM DTC Chart. Refer to the appropriate section in Group 303 for the procedure.

GO to F6

F6 CHECK THE GWM (GATEWAY MODULE A) CONTINUOUS MEMORY DIAGNOSTIC TROUBLE CODES (CMDTCS)

Using a diagnostic scan tool, check the GWM Continuous Memory Diagnostic Trouble Codes (CMDTCs).

Are any Continuous Memory Diagnostic Trouble Codes (CMDTCs) present?

Yes

See the GWM DTC Chart.
REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).

GO to F7

F7 PERFORM THE DDM (DRIVER DOOR MODULE) SELF-TEST

Using a diagnostic scan tool, perform the DDM self-test.

Are any Diagnostic Trouble Codes (DTCs) present?

Yes

REFER to the DDM DTC Chart in this section.

GO to F8

F8 PERFORM THE PDM (PASSENGER DOOR MODULE) SELF-TEST

Using a diagnostic scan tool, perform the PDM self-test.

Are any Diagnostic Trouble Codes (DTCs) present?

Yes

REFER to the PDM DTC Chart in this section.

No	If only the RH exterior mirror is inoperative, GO to F10 If only the LH exterior mirror is inoperative, GO to F9 If both exterior mirrors are inoperative, GO to F9

F9 CHECK FOR CORRECT DDM (DRIVER DOOR MODULE) OPERATION

Ignition OFF.

Disconnect and inspect all DDM connectors and related in-line connectors.

Repair:
- corrosion (install new connector or terminals - clean module pins)
- damaged or bent pins - install new terminals/pins
- pushed-out pins - install new pins as necessary

Reconnect the DDM connectors and related in-line connectors. Make sure they seat and latch correctly.

Operate the system to determine if the concern is still present.

Is the concern still present?

Yes

CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, DISCONTINUE this test and FOLLOW the TSB instructions. If no Technical Service Bulletins (TSBs) address this concern, INSTALL a new DDM. REFER to: Driver Door Module (DDM) (419-10 Multifunction Electronic Modules, Removal and Installation).

No	The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

F10 CHECK FOR CORRECT PDM (PASSENGER DOOR MODULE) OPERATION

Ignition OFF.

Disconnect and inspect all PDM connectors and related in-line connectors.

Repair:
- corrosion (install new connector or terminals - clean module pins)
- damaged or bent pins - install new terminals/pins
- pushed-out pins - install new pins as necessary

Reconnect the PDM connectors and related in-line connectors. Make sure they seat and latch correctly.

Operate the system to determine if the concern is still present.

Is the concern still present?

Yes

CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, DISCONTINUE this test and FOLLOW the TSB instructions. If no Technical Service Bulletins (TSBs) address this concern, INSTALL a new PDM. REFER to: Passenger Door Module (PDM) (419-10 Multifunction Electronic Modules, Removal and Installation).

No	The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

The LH Exterior Auto-Dimming Mirror Is Inoperative Or Always In A Darkened State

Refer to Wiring Diagrams Cell 124 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Rear View Mirrors - System Operation and Component Description (501-09 Rear View Mirrors, Description and Operation).

Possible Causes

Wiring, terminals or connectors
LH exterior mirror glass
LH exterior mirror
Interior auto-dimming rear view mirror concern
IPMA (integral to the interior auto-dimming rear view mirror) if equipped

DTC	Description	Fault Trigger Conditions
B1286:14	Interior Mirror: Circuit Short To Ground or Open	A continuous memory DTC that sets in the IPMA when the IPMA detects a short to ground on the LH exterior auto-dimming rear view mirror output circuit.

PINPOINT TEST G : THE LH (LEFT-HAND) EXTERIOR AUTO-DIMMING MIRROR IS INOPERATIVE OR ALWAYS IN A DARKENED STATE

G1 VERIFY THE INTERIOR AUTO-DIMMING REAR VIEW MIRROR FORWARD AND REARWARD FACING SENSORS ARE NOT BLOCKED

Visually verify the forward and rearward facing sensors are not blocked or obstructed. Sources of obstruction can include:
- Stickers, window decals or tags.
- Toll road or parking passes.
- Fold-down screens for TVs or DVD players.
- Non-OEM window tinting.
- Dirt and debris.
- Decorative objects hung from mirror.

Are either of the sensors blocked?

Yes

If possible, REMOVE the obstruction. If it is not possible to remove the obstruction, ADVISE the customer the blockage affects the operation of the interior and LH exterior auto-dimming rear view mirrors.

GO to G2

G2 VERIFY THE OPERATION OF THE INTERIOR AUTO-DIMMING REAR VIEW MIRROR - DAYLIGHT CONDITIONS

Ignition ON.

Select PARK.

NOTE: Base electrochromatic mirror shown. IPMA mirror is similar. Use a bright lamp to illuminate the forward facing sensor and the rearward facing sensor. The mirror should adjust to a high reflectance state (mirror will be clear).

Did the interior auto-dimming rear view mirror adjust to a high reflectance (clear) state?

Yes

GO to G3

No	GO to Pinpoint Test H

G3 VERIFY THE OPERATION OF THE INTERIOR AUTO-DIMMING REAR VIEW MIRROR - NIGHTTIME CONDITIONS

NOTE: Covering the sensor(s) with a finger or hand is not adequate for this step. Cover the forward and rearward facing sensors with black electrical tape or other dark material. The mirror should adjust to a high reflectance state (mirror will be clear).

Did the interior auto-dimming rear view mirror adjust to a high reflectance (clear) state?

Yes

GO to G4

No	GO to Pinpoint Test H

G4 VERIFY THE OPERATION OF THE INTERIOR AUTO-DIMMING REAR REAR VIEW MIRROR - NIGHTTIME CONDITIONS WITH GLARE

Select PARK.

NOTE: Covering the sensor(s) with a finger or hand is not adequate for this step. Remove the black electrical tape or other dark material from the rearward facing sensor.

Use a bright light to illuminate the rearward facing sensor. The mirror should adjust to a lower reflectance state (mirror will be dark).

Did the interior auto-dimming rear view mirror adjust to a low reflectance (dark) state?

Yes

GO to G5

No	GO to Pinpoint Test H

G5 VERIFY THE OPERATION OF THE INTERIOR AUTO-DIMMING REAR VIEW MIRROR - VEHICLE IN REVERSE AND NIGHTTIME CONDITIONS WITH GLARE

NOTE: Covering the sensor(s) with a finger or hand is not adequate for this step. Continue to illuminate the rearward facing sensor with the forward facing sensor covered.

Select REVERSE.

Did the interior auto-dimming rear view mirror adjust to a high reflectance (clear) state after reverse was selected?

Yes

• If the LH exterior auto-dimming mirror is inoperative, GO to G6
• If the LH exterior auto-dimming mirror is always in a low reflectance (dark) state, GO to G9

No	GO to Pinpoint Test H

G6 CHECK FOR VOLTAGE TO THE LH (LEFT-HAND) EXTERIOR AUTO-DIMMING REAR VIEW MIRROR WHILE SIMULATING NIGHTTIME CONDITIONS WITH GLARE

Select PARK.

Ignition OFF.

Disconnect LH Exterior Mirror C517 .

Ignition ON.

NOTE: Covering the sensor(s) with a finger or hand is not adequate for this step. Illuminate the rearward facing sensor with the forward facing sensor covered.

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C517-9 C517-2

Is any voltage present?

Yes

GO to G12

GO to G7

G7 CHECK FOR AN OPEN BETWEEN THE LH (LEFT-HAND) EXTERIOR MIRROR AND THE INTERIOR AUTO-DIMMING REAR VIEW MIRROR

Select PARK.

Ignition OFF.

Disconnect Interior Auto-Dimming Rear View Mirror C911 (without IPMA) or C9012 (with IPMA).

Measure:
Click to display connectors
Without IPMA

Positive Lead Measurement / Action Negative Lead

C517-9 C911-11

C517-2 C911-15

Click to display connectors
With IPMA

Positive Lead Measurement / Action Negative Lead

C517-9 C9012-5

C517-2 C9012-6

Are the resistances less than 3 ohms?

Yes

GO to G8

No	REPAIR the affected circuit.

G8 CHECK THE LH (LEFT-HAND) EXTERIOR AUTO-DIMMING MIRROR CIRCUITS FOR A SHORT TOGETHER

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C517-9 C517-2

Is the resistance greater than 10,000 ohms?

Yes

GO to G9

No	REPAIR the circuits.

G9 CHECK THE LH (LEFT-HAND) EXTERIOR AUTO-DIMMING MIRROR CIRCUITS FOR VOLTAGE WHILE SIMULATING NIGHTTIME CONDITIONS

Select PARK.

Ignition OFF.

Disconnect LH Exterior Mirror C517 .

Ignition ON.

NOTE: Covering the sensor(s) with a finger or hand is not adequate for this step. Cover the forward and rearward facing sensors with black electrical tape or other dark material. The mirror should adjust to a high reflectance state (mirror will be clear).

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C517-9 C517-2

Is any voltage present?

Yes

GO to G10

GO to G12

G10 CHECK THE LH (LEFT-HAND) EXTERIOR AUTO-DIMMING MIRROR CIRCUITS FOR A SHORT TO VOLTAGE WITH THE INTERIOR AUTO DIMMING MIRROR DISCONNECTED

Ignition OFF.

Disconnect Interior Auto-Dimming Rear View Mirror C911 (without IPMA) or Interior Auto-Dimming Rear View Mirror C9012 (with IPMA).

Ignition ON.

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C517-9 Ground

C517-2 Ground

Is any voltage present?

Yes

REPAIR the affected circuit.

No	• If the vehicle is equipped with an IPMA, GO to G11 • If the vehicle is not equipped with an IPMA, INSTALL a new interior auto-dimming rear view mirror. REFER to: Interior Rear View Mirror (501-09 Rear View Mirrors, Removal and Installation).

G11 CHECK FOR CORRECT IPMA (IMAGE PROCESSING MODULE A) OPERATION

Ignition OFF.

Disconnect and inspect all IPMA connectors and related in-line connectors.

Repair:
- corrosion (install new connector or terminals - clean module pins)
- damaged or bent pins - install new terminals/pins
- pushed-out pins - install new pins as necessary

Reconnect the IPMA connectors and related in-line connectors. Make sure they seat and latch correctly.

Operate the system to determine if the concern is still present.

Is the concern still present?

Yes

CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, DISCONTINUE this test and FOLLOW the TSB instructions. If no Technical Service Bulletins (TSBs) address this concern, INSTALL a new IPMA (integral to the interior auto-dimming rear view mirror). REFER to: Interior Rear View Mirror (501-09 Rear View Mirrors, Removal and Installation).

No	The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

G12 CHECK THE EXTERIOR MIRROR JUMPER HARNESS

Inspect the exterior mirror jumper harness between the vehicle harness and the mirror glass for:
- Open or short circuits
- Damaged or pushed out pins
- Corrosion

Is the harness OK?

Yes

INSTALL a new LH exterior mirror glass. REFER to: Exterior Mirror (501-09 Rear View Mirrors, Removal and Installation).

No	REPAIR the harness as necessary. If the harness cannot be repaired, INSTALL a new exterior mirror. REFER to: Exterior Mirror (501-09 Rear View Mirrors, Removal and Installation).

The Interior Auto-Dimming Rear View Mirror Does Not Operate Correctly

Refer to Wiring Diagrams Cell 124 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Rear View Mirrors - System Operation and Component Description (501-09 Rear View Mirrors, Description and Operation).

Possible Causes

Obstructed forward or rearward sensors
Fuse
Wiring, terminals or connectors
TR data concern
Reverse lamp concern
Interior auto-dimming rear view mirror
IPMA (integral to the interior auto-dimming rear view mirror) if equipped

Visual Inspection and Diagnostic Pre-Checks

Inspect the interior auto-dimming rear view mirror forward and rearward facing sensors for damage, debris or obstructions.
Inspect BCM fuse 36 (15A).

PINPOINT TEST H : THE INTERIOR AUTO-DIMMING REAR VIEW MIRROR DOES NOT OPERATE CORRECTLY

H1 VERIFY THE OPERATION OF THE REVERSE LAMPS

Ignition ON.

NOTE: If the TR sensor is malfunctioning and the reverse lamps are inoperative or always on, the interior auto-dimming mirror will not function properly. Move the selector lever through the entire range while monitoring the reverse lamps.

Do the reverse lamps illuminate only in REVERSE(R)?

Yes

GO to H2

No	DIAGNOSE the reverse lamps. REFER to: Reversing Lamps (417-01 Exterior Lighting, Diagnosis and Testing).

H2 INSPECT THE MIRROR FOR PROPER INSTALLATION

Inspect the interior auto-dimming mirror to make sure the rearward facing sensor is at the top of the mirror glass.

Is the rearward facing sensor at the top of the interior auto-dimming mirror glass?

Yes

GO to H3

No	INSTALL the interior auto-dimming rear view mirror with the rearward facing sensor at the top of the mirror glass. REFER to: Interior Rear View Mirror (501-09 Rear View Mirrors, Removal and Installation).

H3 VERIFY THE FORWARD AND REARWARD FACING SENSORS ARE NOT BLOCKED

Visually verify the forward and reward facing sensors are not blocked or obstructed. Sources of obstruction can include:
- Stickers, window decals or tags.
- Toll road or parking passes.
- Fold-down screens for TVs or DVD players.
- Non-OEM window tinting.
- Dirt and debris.
- Decorative objects hung from mirror.

Are either of the sensors blocked?

Yes

If possible, REMOVE the obstruction. If it is not possible to remove the obstruction, ADVISE the customer the blockage affects the operation of the auto-dimming mirror.

GO to H4

H4 VERIFY THE OPERATION OF THE INTERIOR AUTO-DIMMING MIRROR - DAYLIGHT CONDITIONS

Select PARK.

NOTE: Base electrochromatic mirror shown. IPMA mirror is similar. Use a bright lamp to illuminate the forward facing sensor and the rearward facing sensor. The mirror should adjust to a high reflectance state (mirror will be clear).

Did the mirror adjust to a high reflectance (clear) state?

Yes

GO to H5

No	INSTALL a new interior auto-dimming rear view mirror. REFER to: Interior Rear View Mirror (501-09 Rear View Mirrors, Removal and Installation).

H5 VERIFY THE OPERATION OF THE INTERIOR AUTO-DIMMING MIRROR - NIGHTTIME CONDITIONS

NOTE: Covering the sensor(s) with a finger or hand is not adequate for this step. Cover the forward and rearward facing sensors with black electrical tape or other dark material. The mirror should adjust to a high reflectance state (mirror will be clear).

Did the mirror adjust to a high reflectance (clear) state?

Yes

GO to H6

No	INSTALL a new interior auto-dimming rear view mirror. REFER to: Interior Rear View Mirror (501-09 Rear View Mirrors, Removal and Installation).

H6 VERIFY THE OPERATION OF THE INTERIOR AUTO-DIMMING REAR VIEW MIRROR - NIGHTTIME CONDITIONS WITH GLARE

Select PARK.

NOTE: Covering the sensor(s) with a finger or hand is not adequate for this step. Remove the black electrical tape or other dark material from the rearward facing sensor.

Use a bright light to illuminate the rearward facing sensor. The mirror should adjust to a lower reflectance state (mirror will be dark).

Did the mirror adjust to a low reflectance (dark) state?

Yes

GO to H7

GO to H8

H7 VERIFY THE OPERATION OF THE INTERIOR AUTO-DIMMING REAR VIEW MIRROR - VEHICLE IN REVERSE AND NIGHTTIME CONDITIONS WITH GLARE

NOTE: Covering the sensor(s) with a finger or hand is not adequate for this step. Continue to illuminate the rearward facing sensor with the forward facing sensor covered.

Select REVERSE.

Did the mirror adjust to a high reflectance (clear) state after reverse was selected?

Yes

Select PARK (P). The system is operating correctly at this time. REVIEW the operation of the interior auto-dimming rear view mirror feature with the customer.

No	• If the vehicle is equipped with an IPMA, GO to H11 • If the vehicle is not equipped with an IPMA, GO to H10

H8 CHECK FOR VOLTAGE TO THE INTERIOR AUTO-DIMMING REAR VIEW MIRROR

Ignition OFF.

Disconnect Interior Auto-Dimming Rear View Mirror C911 (without IPMA) or Interior Auto-Dimming Rear View Mirror C9012 (with IPMA).

Ignition ON.

Measure:
Click to display connectors
Without IPMA

Positive Lead Measurement / Action Negative Lead

C911-1 Ground

Click to display connectors
With IPMA

Positive Lead Measurement / Action Negative Lead

C9012-1 Ground

Is the voltage greater than 11 volts?

Yes

GO to H9

No	VERIFY that BCM fuse 36 (15A) is OK. If the fuse is OK, REPAIR the circuit. If the fuse is not OK, REFER to the Wiring Diagrams manual to identify the possible causes of the circuit short.

H9 CHECK FOR GROUND AT THE INTERIOR AUTO-DIMMING REAR VIEW MIRROR

Ignition OFF.

Measure:
Click to display connectors
Without IPMA

Positive Lead Measurement / Action Negative Lead

C911-4 Ground

Click to display connectors
With IPMA

Positive Lead Measurement / Action Negative Lead

C9012-7 Ground

Is the resistance less than 3 ohms?

Yes

• If the vehicle is equipped with an IPMA, GO to H11
• If the vehicle is not equipped with an IPMA, GO to H10

No	REPAIR the circuit.

H10 CHECK THE REVERSE INHIBIT CIRCUIT FOR VOLTAGE AT THE INTERIOR AUTO-DIMMING REAR VIEW MIRROR WITH THE VEHICLE IN REVERSE

Ignition ON.

Apply the parking brake.

Select REVERSE.

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C911-3 Ground

Is the voltage greater than 11 volts?

Yes

INSTALL a new interior auto-dimming rear view mirror.
REFER to: Interior Rear View Mirror (501-09 Rear View Mirrors, Removal and Installation).

No	REPAIR the circuit.

H11 PERFORM A NETWORK TEST

Select PARK.

Connect Interior Auto-Dimming Mirror C9012 .

Ignition ON.

Wait 15 seconds.

Using a diagnostic scan tool, perform a network test.

Do all modules pass the network test?

Yes

GO to H12

No	See the Symptom Chart: Communication Network. REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).

H12 CHECK FOR IPMA (IMAGE PROCESSING MODULE A) DIAGNOSTIC TROUBLE CODES (DTCS)

Ignition ON.

Select REVERSE.

Wait 15 seconds.

Select PARK.

Using a diagnostic scan tool, check the IPMA Diagnostic Trouble Codes (DTCs).

Are any Diagnostic Trouble Codes (DTCs) present?

Yes

REFER to the IPMA DTC Chart in this section.

GO to H13

H13 CHECK FOR CORRECT IPMA (IMAGE PROCESSING MODULE A) OPERATION

Ignition OFF.

Disconnect and inspect all IPMA connectors and related in-line connectors.

Repair:
- corrosion (install new connector or terminals - clean module pins)
- damaged or bent pins - install new terminals/pins
- pushed-out pins - install new pins as necessary

Reconnect the IPMA connectors and related in-line connectors. Make sure they seat and latch correctly.

Operate the system to determine if the concern is still present.

Is the concern still present?

Yes

CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, DISCONTINUE this test and FOLLOW the TSB instructions. If no Technical Service Bulletins (TSBs) address this concern, INSTALL a new IPMA (integral to the interior auto-dimming rear view mirror). REFER to: Interior Rear View Mirror (501-09 Rear View Mirrors, Removal and Installation).

No	The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

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