Mountaineer 2WD V8-4.6L SOHC VIN W (2003)
Test O1-O4
Normal Operation
The diagnostic tool is connected to the DLC C251 to communicate with the standard corporate protocol (SCP), UART based protocol (UBP), and the
international standards organization (ISO) 9141 communications networks. If communication can not be established, the diagnostic tool and the DLC
C251 must be checked for damaged. If the diagnostic tool and the DLC C251 are ok circuits 1001 (WH/YE), 1205 (BK), and 570 (BK/WH) must be
checked for an open condition.
Possible Causes
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DLC C251
-
diagnostic tool
-
circuit 1001 (WH/YE) open circuit
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circuit 1205 (BK) open circuit
-
circuit 570 (BK/WH) open circuit
