Focus L4-2.0L (2009)
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Is the resistance less than 5 ohms?
Yes
GO to G3.
No
REPAIR the circuit. CONNECT the negative battery cable. CLEAR the DTCs. REPEAT the network test with the scan tool.
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G3 CHECK THE MS-CAN CIRCUITS BETWEEN THE FCIM AND THE
DLC FOR AN OPEN
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Measure the resistance between the FCIM C2402-3, circuit VDB06 (GY/OG), harness side and the Data Link Connector (DLC) C251-3, circuit
VDB06 (GY/OG), harness side.
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Measure the resistance between the FCIM C2402-4, circuit VDB07 (VT/OG), harness side and the DLC C251-11, circuit VDB07 (VT/OG),
harness side.
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Are the resistances less than 5 ohms?
Yes
CONNECT the negative battery cable. GO to G4.
No
REPAIR the circuit in question. CONNECT the negative battery cable. CLEAR the DTCs. REPEAT the network test with the scan tool.
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G4 CHECK FOR CORRECT FCIM OPERATION
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Disconnect the FCIM connector.
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Check for:
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corrosion
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damaged pins
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pushed-out pins
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Connect the FCIM connector and make sure it seats correctly.
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Operate the system and verify the concern is still present.
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Is the concern still present?
Yes
INSTALL a new FCIM. CLEAR the DTCs. REPEAT the network test with the scan tool.
No
The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. CLEAR the DTCs. REPEAT the
