Ford Fusion: Battery, Mounting and Cables / Battery. Diagnosis and Testing
General Equipment
Diagnostic Battery Charger |
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Use Ford approved battery test equipment.
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Midtronics MDX-650 or P-300/P-600/490/1050
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Midtronics GRX-3590 or 3000
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.
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A1 TEST THE BATTERY CONDITION |
NOTE:
Failure to fully charge the battery before retesting may cause false readings.
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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).
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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...
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:
Special Tool(s) /
General Equipment
Wooden Block
DISASSEMBLY
NOTICE:
Ford Recommends The Following For Vehicles With Carbon Fiber And Alloy Wheels:
Tire Changer:
Ford requires center clamp style tire changers
such as Hunter® Auto 34, Revolution, TC3900 or equivalent...
Special Tool(s) /
General Equipment
Forming Gas Pressure Gauge and Leak Detector
Materials
Name
Specification
Forming Gas
-
Leak detection
All vehicles
NOTE:
Use a Rotunda-approved Tracer Gas A/C System Dealership Leak Detection Service Kit that meets SAE J2790...