Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSFORD2012FOCUS L4-2.0LREPAIR AND DIAGNOSISBODY AND FRAMEBODY CONTROL SYSTEMSTESTING AND INSPECTIONPINPOINT TESTSDIAGNOSTIC ROUTINE AN
2012 Ford Focus L4-2.0L
Diagnostic Routine AN
2012 Ford Focus L4-2.0LSECTION Diagnostic Routine AN
Diagnostic Routine AN
Diagnostic Overview
U3008:13
Refer to Wiring Diagram Set 10 for schematic and connector information Electrical Diagrams.
Normal Operation and Fault Conditions
DTC Fault Trigger Conditions
Pinpoint Test
1. CHECK THE BCM (Body Control Module) POWER GROUND
1. Ignition OFF.
2. Disconnect: BCM (Body Control Module) C2280E.
3. Measure:
Is the resistance less than 3 ohms?
2. CHECK THE BCM (Body Control Module) PROCESSOR GROUND
1. Disconnect: BCM (Body Control Module) C2280A.
2. Measure:
Is the resistance less than 3 ohms?
3. CHECK FOR CORRECT BCM (Body Control Module) OPERATION
1. Disconnect and inspect all BCM (Body Control Module) connectors.
2. 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
3. Connect the BCM (Body Control Module) connectors. Make sure they seat and latch correctly.
4. Operate the system and determine if the concern is still present.
Is the concern still present?
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.