F 150 4WD V8-4.6L VIN 8 (2010)
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Are the voltages greater than 10 volts?
Yes
GO to F2.
No
VERIFY the Battery Junction Box (BJB) fuses 54 (5A) and 68 (20A) are OK. If OK, REPAIR the circuit. If not OK, REFER to the Wiring Diagrams to
identify the possible causes of the circuit short. CLEAR the DTCs. REPEAT the network test with the scan tool. See: Diagrams/Electrical
Diagrams/Diagrams By Number
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F2 CHECK THE 4X4 CONTROL MODULE GROUND CIRCUIT FOR AN OPEN
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Ignition OFF.
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Disconnect: Negative Battery Cable.
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Measure the resistance between the 4X4 control module C2371b-3, circuit GD123 (BK/GY), harness side and ground.
