Ford Fusion Manuals

Ford Fusion: Supplemental Restraint System / Pinpoint Test - DTC: M. Diagnosis and Testing

Ford Fusion 2013–2020 Service Manual / Body and Paint / Body and Paint / Supplemental Restraint System / Pinpoint Test - DTC: M. Diagnosis and Testing

B007F:11, B007F:12, B007F:13 and B007F:1A


Refer to Wiring Diagrams Cell 46 for schematic and connector information.

Normal Operation and Fault Conditions

The RCM continuously monitors the passenger seatbelt retractor pretensioner circuits for the following faults:

  • Resistance out of range
  • Unexpected voltage
  • Short to ground
  • Faulted passenger seatbelt retractor pretensioner

If a fault is detected, the RCM stores DTC B007F:11, B007F:12, B007F:13 or B007F:1A in memory and sends a message to the IPC to illuminate the airbag warning indicator.

The RCM analyzes the deployment loop resistance to determine if a fault exists. The value displayed in the PID is the deployment loop resistance measured by the RCM. If the value displayed is lower or higher than the desired range (refer to diagram below), the RCM can set a DTC. As the deployment loop resistance drifts farther outside the desired range, the chance for a DTC increases. Small variations in resistance can occur due to the effect of road vibrations on terminal fit. Crimps and terminals can be affected by stress and harness movement and can cause an increase in resistance due to wire strain. These variables can result in an intermittent fault. For this reason, the test requires the PID value to be within the desired range before the fault is considered repaired, regardless if the module is reporting an on-demand DTC at the time of diagnosis. Following this direction helps make sure that minor changes in resistance do not create a repeat concern. This test uses process of elimination to diagnose each part of the deployment loop circuit including:

  • Wiring
  • Connections
  • Passenger seatbelt retractor pretensioner
  • RCM
Ford Fusion. Pinpoint Test - DTC: M. Diagnosis and Testing

  DTC Fault Trigger Conditions


  DTC Description Fault Trigger Conditions
B007F:11 Passenger Seatbelt Pretensioner "C" Deployment Control: Circuit Short to Ground A fault is indicated when the RCM senses a short to ground on either passenger seatbelt retractor pretensioner circuit for more than 6 seconds.
B007F:12 Passenger Seatbelt Pretensioner "C" Deployment Control: Circuit Short to Battery A fault is indicated when the RCM senses a short to voltage on either passenger seatbelt retractor pretensioner circuit for more than 6 seconds.
B007F:13 Passenger Seatbelt Pretensioner "C" Deployment Control: Circuit Open A fault is indicated when the RCM measures more than the desired resistance range between passenger seatbelt retractor pretensioner circuits for more than 6 seconds.
B007F:1A Passenger Seatbelt Pretensioner "C" Deployment Control: Circuit Resistance Below Threshold A fault is indicated when the RCM measures less than the desired resistance range between passenger seatbelt retractor pretensioner circuits for more than 6 seconds.

Possible Sources

  • Wiring, terminals or connectors
  • Passenger seatbelt retractor pretensioner
  • RCM

PINPOINT TEST A : B007F:11, B007F:12, B007F:13 AND B007F:1A
Ford Fusion. Pinpoint Test - DTC: M. Diagnosis and Testing  WARNING: Do not handle, move or change the original horizontal mounting position of the Restraints Control Module (RCM) while the Restraints Control Module (RCM) is connected and the ignition switch is ON. Failure to follow this instruction may result in the accidental deployment of the Safety Canopy® and cause serious personal injury or death.
NOTE: Most faults are due to connector and/or wiring concerns. Carry out a thorough inspection and verification before proceeding with the pinpoint test.
NOTE: Only disconnect or reconnect SRS components when instructed to do so within a pinpoint test step. Failure to follow this instruction may result in incorrect diagnosis of the SRS.
NOTE: Always make sure the correct SRS component is being installed. Parts released for other vehicles may not be compatible even if they appear physically similar. Check the part number listed in the Ford parts catalog to make sure the correct component is being installed. If an incorrect SRS component is installed, Diagnostic Trouble Codes (DTCs) may set.
NOTE: The SRS must be fully operational and free of faults before releasing the vehicle to the customer.
A1 RETRIEVE RCM (RESTRAINTS CONTROL MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)
  • Ford Fusion. Pinpoint Test - DTC: M. Diagnosis and Testing  WARNING: Before beginning any service procedure in this section, refer to Safety Warnings in section 100-00 General Information. Failure to follow this instruction may result in serious personal injury.
    REFER to: Pyrotechnic Device Health and Safety Precautions (100-00 General Information, Description and Operation).
  • Ignition ON.
  • Using a diagnostic scan tool, perform RCM self-test.

Was DTC B007F:11, B007F:12, B007F:13 or B007F:1A retrieved on-demand during self-test?
Yes This fault cannot be cleared until it is corrected and the DTC is no longer retrieved on-demand during self-test.
For DTC B007F:13 or B007F:1A, GO to A2
For DTC B007F:11, GO to A8
For DTC B007F:12, GO to A10
No This is an intermittent fault when present as a CMDTC only.
For DTC B007F:13 or B007F:1A, GO to A13
For DTC B007F:11, GO to A14
For DTC B007F:12, GO to A15

A2 CHECK THE PASSENGER SEATBELT RETRACTOR PRETENSIONER DEPLOYMENT CONTROL (DEPLOY_24_R) PID (PARAMETER IDENTIFICATION)
  • Using a diagnostic scan tool, view RCM Parameter Identifications (PIDs).
  • Monitor and record the resistance value displayed by the DEPLOY_24_R PID.

Does the PID value read between 1.7 and 2.78 ohms?
Yes GO to A12
No GO to A3

A3 CHECK THE PASSENGER SEATBELT RETRACTOR PRETENSIONER DEPLOYMENT CONTROL (DEPLOY_24_R) PID (PARAMETER IDENTIFICATION) WHILE CARRYING OUT THE HARNESS TEST
  • While monitoring the DEPLOY_24_R PID, carry out the harness test of the passenger seatbelt retractor pretensioner circuits and accessible connectors (including any inline connectors) by wiggling and flexing the wire harness and connectors frequently. Record the resistance value indicated by the PID.

Does the PID value read between 1.7 and 2.78 ohms while carrying out the harness test?
Yes DEPOWER the SRS and REPAIR the connector, terminals or wire harness as needed.
Refer to Wiring Diagrams Cell 5 for schematic and connector information.
GO to A17
No For PID value less than 1.7 ohms, GO to A4
For PID value greater than 2.78 ohms, GO to A6

A4 CHECK THE PASSENGER SEATBELT RETRACTOR PRETENSIONER DEPLOYMENT CONTROL DTC (DIAGNOSTIC TROUBLE CODE) FOR A FAULT STATUS CHANGE (LOW RESISTANCE INDICATED)

NOTE: This pinpoint test step attempts to change the fault reported by the RCM by inducing a different fault condition. If the reported fault changes, this indicates the RCM is functioning correctly and is not the source of the fault.

  • Ignition OFF.
  • Depower the SRS.
    REFER to: Supplemental Restraint System (SRS) Depowering and Repowering (501-20B Supplemental Restraint System, General Procedures).
  • Disconnect Passenger Seatbelt Retractor Pretensioner C303 .
  • Repower the SRS. Do not prove out the SRS at this time.
    REFER to: Supplemental Restraint System (SRS) Depowering and Repowering (501-20B Supplemental Restraint System, General Procedures).
  • Ignition ON.
  • Using a diagnostic scan tool, perform RCM self-test.
  • DIAGNOSTIC TIP: When viewing Diagnostic Trouble Codes (DTCs) with the passenger seatbelt retractor pretensioner disconnected, an open circuit fault is normally retrieved.

Did the on-demand DTC change from B007F:1A to B007F:13?
Yes GO to A11
No GO to A5

A5 CHECK FOR A SHORT BETWEEN PASSENGER SEATBELT RETRACTOR PRETENSIONER CIRCUITS
  • Ignition OFF.
  • Depower the SRS.
    REFER to: Supplemental Restraint System (SRS) Depowering and Repowering (501-20B Supplemental Restraint System, General Procedures).
  • Disconnect RCM C310A and C310B .
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C303-1 Ford Fusion. Pinpoint Test - DTC: M. Diagnosis and Testing   C303-2

Is the resistance greater than 10,000 ohms?
Yes GO to A12
No REPAIR the circuits.
Refer to Wiring Diagrams Cell 5 for schematic and connector information.
GO to A17

A6 CHECK THE PASSENGER SEATBELT RETRACTOR PRETENSIONER CIRCUITS FOR AN OPEN
  • Ignition OFF.
  • Depower the SRS.
    REFER to: Supplemental Restraint System (SRS) Depowering and Repowering (501-20B Supplemental Restraint System, General Procedures).
  • Disconnect Passenger Seatbelt Retractor Pretensioner C303 .
  • Disconnect RCM C310A and C310B .
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C310B-9 Ford Fusion. Pinpoint Test - DTC: M. Diagnosis and Testing   C303-1
      C310B-10 Ford Fusion. Pinpoint Test - DTC: M. Diagnosis and Testing   C303-2

Are the resistances less than 0.5 ohm?
Yes GO to A7
No REPAIR the circuit(s).
Refer to Wiring Diagrams Cell 5 for schematic and connector information.
GO to A17

A7 CHECK THE PASSENGER SEATBELT RETRACTOR PRETENSIONER DEPLOYMENT CONTROL DTC (DIAGNOSTIC TROUBLE CODE) FOR A FAULT STATUS CHANGE (OPEN INDICATED)

NOTE: This pinpoint test step attempts to change the fault reported by the RCM by inducing a different fault condition. If the reported fault changes, this indicates the RCM is functioning correctly and is not the source of the fault.

  • Connect RCM C310A and C310B .
  • Connect a fused jumper wire:
    Click to display connectors
    Lead 1 Measurement / Action Lead 2
      C303-1 Ford Fusion. Pinpoint Test - DTC: M. Diagnosis and Testing   C303-2
  • Repower the SRS. Do not prove out the SRS at this time.
    REFER to: Supplemental Restraint System (SRS) Depowering and Repowering (501-20B Supplemental Restraint System, General Procedures).
  • Ignition ON.
  • Using a diagnostic scan tool, perform RCM self-test.
  • DIAGNOSTIC TIP: When viewing Diagnostic Trouble Codes (DTCs) with the passenger seatbelt retractor pretensioner circuits shorted together, a low resistance fault is normally retrieved.

Did the on-demand DTC change from B007F:13 to B007F:1A?
Yes REMOVE the fused jumper wire and GO to A11
No REMOVE the fused jumper wire and GO to A12

A8 CHECK THE PASSENGER SEATBELT RETRACTOR PRETENSIONER DEPLOYMENT CONTROL DTC (DIAGNOSTIC TROUBLE CODE) FOR A FAULT STATUS CHANGE (SHORT TO GROUND INDICATED)

NOTE: This pinpoint test step attempts to change the fault reported by the RCM by inducing a different fault condition. If the reported fault changes, this indicates the RCM is functioning correctly and is not the source of the fault.

  • Ignition OFF.
  • Depower the SRS.
    REFER to: Supplemental Restraint System (SRS) Depowering and Repowering (501-20B Supplemental Restraint System, General Procedures).
  • Disconnect Passenger Seatbelt Retractor Pretensioner C303 .
  • Repower the SRS. Do not prove out the SRS at this time.
    REFER to: Supplemental Restraint System (SRS) Depowering and Repowering (501-20B Supplemental Restraint System, General Procedures).
  • Ignition ON.
  • Using a diagnostic scan tool, perform RCM self-test.
  • DIAGNOSTIC TIP: When viewing Diagnostic Trouble Codes (DTCs) with the passenger seatbelt retractor pretensioner disconnected, an open circuit fault is normally retrieved.

Did the on-demand DTC change from B007F:11 to B007F:13?
Yes GO to A11
No GO to A9

A9 CHECK THE PASSENGER SEATBELT RETRACTOR PRETENSIONER CIRCUITS FOR A SHORT TO GROUND
  • Ignition OFF.
  • Depower the SRS.
    REFER to: Supplemental Restraint System (SRS) Depowering and Repowering (501-20B Supplemental Restraint System, General Procedures).
  • Disconnect RCM C310A and C310B .
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C303-1 Ford Fusion. Pinpoint Test - DTC: M. Diagnosis and Testing   Ground
      C303-2 Ford Fusion. Pinpoint Test - DTC: M. Diagnosis and Testing   Ground

Are the resistances greater than 10,000 ohms?
Yes GO to A12
No REPAIR the circuit(s).
Refer to Wiring Diagrams Cell 5 for schematic and connector information.
GO to A17

A10 CHECK THE PASSENGER SEATBELT RETRACTOR PRETENSIONER CIRCUITS FOR A SHORT TO VOLTAGE
  • Ignition OFF.
  • Depower the SRS.
    REFER to: Supplemental Restraint System (SRS) Depowering and Repowering (501-20B Supplemental Restraint System, General Procedures).
  • Disconnect Passenger Seatbelt Retractor Pretensioner C303 .
  • Disconnect RCM C310A and C310B .
  • Repower the SRS. Do not prove out the SRS at this time.
    REFER to: Supplemental Restraint System (SRS) Depowering and Repowering (501-20B Supplemental Restraint System, General Procedures).
  • Ignition ON.
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C303-1 Ford Fusion. Pinpoint Test - DTC: M. Diagnosis and Testing   Ground
      C303-2 Ford Fusion. Pinpoint Test - DTC: M. Diagnosis and Testing   Ground

Is any voltage present?
Yes REPAIR the circuit(s).
Refer to Wiring Diagrams Cell 5 for schematic and connector information.
GO to A17
No GO to A12

A11 CONFIRM THE PASSENGER SEATBELT RETRACTOR PRETENSIONER FAULT

NOTE: Make sure all SRS components and the RCM electrical connectors are connected before carrying out the self-test. If not, Diagnostic Trouble Codes (DTCs) will be recorded.

  • Ignition OFF.
  • Depower the SRS.
    REFER to: Supplemental Restraint System (SRS) Depowering and Repowering (501-20B Supplemental Restraint System, General Procedures).
  • Prior to reconnecting any previously disconnected SRS component:
    • inspect connector(s) (including any inline connectors) for pushed-out, loose or spread terminals and loose or frayed wire connections at terminals.
    • inspect wire harness for any damaged, pinched, cut or pierced wires.
    • inspect RCM C310A and C310B Connector Position Assurance (CPA) lever/lock for correct operation.
    • repair any concerns found.
      Refer to Wiring Diagrams Cell 5 for schematic and connector information.
  • Connect Passenger Seatbelt Retractor Pretensioner C303 .
  • Connect RCM C310A and C310B .
  • Repower the SRS. Do not prove out the SRS at this time.
    REFER to: Supplemental Restraint System (SRS) Depowering and Repowering (501-20B Supplemental Restraint System, General Procedures).
  • Ignition ON.
  • Using a diagnostic scan tool, perform RCM self-test.

Was the original DTC retrieved on-demand during self-test?
Yes INSTALL a new passenger seatbelt retractor.
REFER to: Seatbelt Retractor and Pretensioner (501-20A Seatbelt Systems, Removal and Installation).
GO to A17
No In the process of diagnosing the fault, the fault condition has become intermittent. Do not install any new SRS components at this time. Install SRS components only when directed to do so in the pinpoint test.
For DTC B007F:13 or B007F:1A, GO to A13
For DTC B007F:11, GO to A14
For DTC B007F:12, GO to A15

A12 CONFIRM THE RCM (RESTRAINTS CONTROL MODULE) FAULT

NOTE: Make sure all SRS components and the RCM electrical connectors are connected before carrying out the self-test. If not, Diagnostic Trouble Codes (DTCs) will be recorded.

  • Ignition OFF.
  • Depower the SRS.
    REFER to: Supplemental Restraint System (SRS) Depowering and Repowering (501-20B Supplemental Restraint System, General Procedures).
  • Prior to reconnecting any previously disconnected SRS component:
    • inspect connector(s) (including any inline connectors) for pushed-out, loose or spread terminals and loose or frayed wire connections at terminals.
    • inspect wire harness for any damaged, pinched, cut or pierced wires.
    • inspect RCM C310A and C310B Connector Position Assurance (CPA) lever/lock for correct operation.
    • repair any concerns found.
      Refer to Wiring Diagrams Cell 5 for schematic and connector information.
  • Connect Passenger Seatbelt Retractor Pretensioner C303 .
  • Connect RCM C310A and C310B .
  • Repower the SRS. Do not prove out the SRS at this time.
    REFER to: Supplemental Restraint System (SRS) Depowering and Repowering (501-20B Supplemental Restraint System, General Procedures).
  • Ignition ON.
  • Using a diagnostic scan tool, perform RCM self-test.

Was the original DTC retrieved on-demand during self-test?
Yes CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no Technical Service Bulletins (TSBs) address this concern, INSTALL a new RCM.
REFER to: Restraints Control Module (RCM) (501-20B Supplemental Restraint System, Removal and Installation).
GO to A17
No In the process of diagnosing the fault, the fault condition has become intermittent. Do not install any new SRS components at this time. Install SRS components only when directed to do so in the pinpoint test.
For DTC B007F:13 or B007F:1A, GO to A13
For DTC B007F:11, GO to A14
For DTC B007F:12, GO to A15

A13 CHECK THE PASSENGER SEATBELT RETRACTOR PRETENSIONER DEPLOYMENT CONTROL (DEPLOY_24_R) PID (PARAMETER IDENTIFICATION) FOR AN INTERMITTENT LOW RESISTANCE OR OPEN CIRCUIT FAULT
  • Using a diagnostic scan tool, view RCM Parameter Identifications (PIDs).
  • While monitoring the DEPLOY_24_R PID, attempt to recreate the fault by wiggling connectors (including any inline connectors) and flexing the wire harness frequently. Record the resistance value indicated by the PID.

Does the PID value read between 1.7 and 2.78 ohms?
Yes The fault is not present and cannot be recreated at this time. Do not install any new SRS components at this time. Install SRS components only when directed to do so in the pinpoint test. GO to A16
No DEPOWER the SRS and REPAIR as necessary.
Refer to Wiring Diagrams Cell 5 for schematic and connector information.
GO to A17

A14 CHECK THE PASSENGER SEATBELT RETRACTOR PRETENSIONER DEPLOYMENT CONTROL CIRCUITS FOR AN INTERMITTENT SHORT TO GROUND FAULT
  • Attempt to recreate the fault by wiggling connectors (including any inline connectors) and flexing the wire harness frequently.
  • Using a diagnostic scan tool, perform RCM self-test.

Was DTC B007F:11 retrieved on-demand during self-test?
Yes DEPOWER the SRS and REPAIR as necessary.
Refer to Wiring Diagrams Cell 5 for schematic and connector information.
GO to A17
No The fault is not present and cannot be recreated at this time. Do not install any new SRS components at this time. Install SRS components only when directed to do so in the pinpoint test. GO to A16

A15 CHECK THE PASSENGER SEATBELT RETRACTOR PRETENSIONER DEPLOYMENT CONTROL CIRCUITS FOR AN INTERMITTENT SHORT TO BATTERY FAULT
  • Ignition OFF.
  • Depower the SRS.
    REFER to: Supplemental Restraint System (SRS) Depowering and Repowering (501-20B Supplemental Restraint System, General Procedures).
  • Disconnect Passenger Seatbelt Retractor Pretensioner C303 .
  • Repower the SRS. Do not prove out the SRS at this time.
    REFER to: Supplemental Restraint System (SRS) Depowering and Repowering (501-20B Supplemental Restraint System, General Procedures).
  • Ignition ON.
  • Attempt to recreate the fault by wiggling connectors (including any inline connectors) and flexing the wire harness frequently.
  • Using a diagnostic scan tool, perform RCM self-test.

Was DTC B007F:12 retrieved on-demand during self-test?
Yes DEPOWER the SRS and REPAIR as necessary.
Refer to Wiring Diagrams Cell 5 for schematic and connector information.
GO to A17
No The fault is not present and cannot be recreated at this time. Do not install any new SRS components at this time. Install SRS components only when directed to do so in the pinpoint test. GO to A16

A16 CHECK THE HARNESS AND CONNECTORS
  • Ignition OFF.
  • Depower the SRS.
    REFER to: Supplemental Restraint System (SRS) Depowering and Repowering (501-20B Supplemental Restraint System, General Procedures).
  • Disconnect Passenger Seatbelt Retractor Pretensioner C303 .
    • Inspect connector(s) (including any inline connectors) for corrosion, loose or spread terminals and loose or frayed wire connections at terminals.
    • Inspect wire harness for any damage, pinched, cut or pierced wires.
  • Inspect RCM C310A and C310B Connector Position Assurance (CPA) lever/lock for correct operation.

Were any concerns found?
Yes REPAIR as necessary.
Refer to Wiring Diagrams Cell 5 for schematic and connector information.
GO to A17
No The fault is not present and cannot be recreated at this time. Do not install any new SRS components at this time. Install SRS components only when directed to do so in the pinpoint test. GO to A17

A17 CHECK FOR ADDITIONAL SRS (SUPPLEMENTAL RESTRAINT SYSTEM) DIAGNOSTIC TROUBLE CODES (DTCS)

Ford Fusion. Pinpoint Test - DTC: M. Diagnosis and Testing  WARNING: Turn the ignition OFF and wait one minute to deplete the backup power supply. Failure to follow this instruction may result in serious personal injury or death in the event of an accidental deployment.

  • Ignition OFF.
  • Reconnect all SRS components (if previously disconnected).
  • If previously directed to depower the SRS, repower the SRS. Do not prove out the SRS at this time.
    REFER to: Supplemental Restraint System (SRS) Depowering and Repowering (501-20B Supplemental Restraint System, General Procedures).
  • Ignition ON.
  • NOTE: When selecting Restraints from the Self Test menu, DTCs are retrieved from the RCM, OCSM and, if equipped, BECMB. Using a diagnostic scan tool, perform Restraints self-test.

Are any RCM, OCSM and/or BECMB Diagnostic Trouble Codes (DTCs) retrieved on-demand during self-test?
Yes Do not clear any Diagnostic Trouble Codes (DTCs) until all Diagnostic Trouble Codes (DTCs) have been resolved.
REFER to: Airbag Supplemental Restraint System (SRS) (501-20B Supplemental Restraint System, Diagnosis and Testing).
No The repair is complete. RETURN the vehicle to the customer.


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