E 250 V8-4.6L VIN W (2006)
E1-E2
Normal Operation
The vehicle security module communicates with the diagnostic tool through the international standards organization (ISO) 9141 communications
network, circuit 70 (LB/WH). Check circuit 70 (LB/WH) between the vehicle security module C203b and the data link connector (DLC) C251. The
total resistance value must not be more than 5 ohms. If the resistance is more than 5 ohms there is an open in the ISO 9141 communications network
circuit, damage to the DLC C251, damage to the vehicle security module C203b, or a problem in an in-line connector.
Possible Causes
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ISO 9141 circuit 70 (LB/WH)
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vehicle security module
Test F: No Controller Area Network (CAN) Communication
PINPOINT TEST F: NO CONTROLLER AREA NETWORK (CAN) COMMUNICATION