Ford Fusion: Battery, Mounting and Cables / Battery. Diagnosis and Testing

Ford Fusion 2013–2020 Service Manual / Electrical / Battery and Charging System / Battery, Mounting and Cables / Battery. Diagnosis and Testing

General Equipment

Diagnostic Battery Charger

Use Ford approved battery test equipment.
- Midtronics MDX-650 or P-300/P-600/490/1050
- Midtronics GRX-3590 or 3000
- Midtronics EXP-890

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).

PINPOINT TEST A : BATTERY CONDITION TEST

Normal Operation and Fault Conditions

Battery condition is determined by measuring battery terminal voltage after a specific discharge current is applied for a specified time period.

Possible Sources

Battery
Wiring, terminals or connectors

Visual Inspection and Pre-checks

Inspect wiring, terminals and connectors.
Inspect the battery.
Inspect battery mounting
Inspect high current BJB connections.

A1 TEST THE BATTERY CONDITION

NOTE: Failure to fully charge the battery before retesting may cause false readings.

Using the Diagnostic Battery Charger and the battery cables removed from the battery, verify the battery condition.

Is the battery OK?

Yes

RETURN the battery to service.

No	If the analyzer reads REPLACE BATTERY or REPLACE-BAD CELL, INSTALL a new battery. REFER to: Battery (414-01 Battery, Mounting and Cables, Removal and Installation).

Battery and Cables - System Operation and Component Description. Description and Operation

System Operation The battery is a 12V DC source connected in a negative ground system and is a voltage stabilizer for the 12V electrical system. Component Description Battery Vehicles are equipped with a 12-volt, maintenance-free battery...

Battery Charging. General Procedures

Charging 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...

Other information:

Ford Fusion 2013–2020 Service Manual: Front Seat Cushion Cover. Removal and Installation

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Ford Fusion 2013–2020 Service Manual: Input Shaft. Description and Operation

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Cross Traffic Alert System Sensors

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The sensors are behind the rear bumper on both sides of your vehicle.