Explorer Sport Trac 2WD V6-4.0L (2009)
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Is the resistance less than 5 ohms?
Yes
GO to N3.
No
REPAIR the circuit. CONNECT the negative battery cable. CLEAR the DTCs. REPEAT the network test with the scan tool.
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N3 CHECK THE MS-CAN CIRCUITS BETWEEN THE PRB MODULE AND THE DLC FOR AN OPEN
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Measure the resistance between the PRB module C4322b-8, circuit VDB06 (GY/OG), harness side and the DLC C251-3, circuit VDB06
(GY/OG), harness side.
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Measure the resistance between the PRB module C4322b-7, 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 N4.
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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N4 CHECK FOR CORRECT PRB MODULE OPERATION
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Disconnect all the PRB module connectors.
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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 all the PRB module connectors and make sure they seat correctly.
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Operate the system and verify the concern is still present.
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Is the concern still present?
