F 150 4WD V8-4.6L VIN 8 (2010)
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Are the voltages greater than 10 volts?
Yes
GO to P2.
No
VERIFY the Battery Junction Box (BJB) fuse 69 (30A) is OK. If OK, REPAIR the circuit in question. 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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P2 CHECK THE DCSM 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 DCSM C3265a-M, circuit GD903 (BK/WH), harness side and ground.
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Is the resistance less than 5 ohms?
Yes
GO to P3.
No
REPAIR the circuit. CONNECT the negative battery cable. CLEAR the DTCs. REPEAT the network test with the scan tool.
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P3 CHECK THE MS-CAN CIRCUITS BETWEEN THE DCSM AND THE DLC FOR AN OPEN
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Disconnect: DCSM C3265c.
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Measure the resistance between the DCSM C3265c-1, circuit VDB06 (GY/OG), harness side and the Data Link Connector (DLC) C251-3, circuit
VDB06 (GY/OG), harness side.
