Ranger 4WD V6-4.0L (2009)
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Is DLC pin 7 OK?
Yes
GO to G2.
No
REPAIR the DLC as necessary. CLEAR the DTCs. REPEAT the network test with the scan tool.
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G2 CHECK THE ISO 9141 CIRCUIT BETWEEN THE ABS MODULE AND THE DLC FOR AN OPEN
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Disconnect: ABS Module C135.
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Measure the resistance between the ABS module C135-16, circuit VDB10 (GY), harness side and the DLC C251-7, circuit VDB10 (GY), harness
side.
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Is the resistance less than 5 ohms?
Yes
GO to G3.
No
REPAIR the circuit. CLEAR the DTCs. REPEAT the network test with the scan tool.
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G3 CHECK THE ISO 9141 NETWORK FOR A SHORT TO GROUND
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Measure the resistance between the DLC C251-7, circuit VDB10 (GY), harness side and ground.
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Is the resistance greater than 10,000 ohms?
Yes
GO to G4.
No
REPAIR the circuit. CLEAR the DTCs. REPEAT the network test with the scan tool.
