Test H: No International Standards Organization (ISO) 9141 Network Communication
PINPOINT TEST H: NO INTERNATIONAL STANDARDS ORGANIZATION (ISO) 9141 NETWORK COMMUNICATIONH1-H2:
H2-H4:
H5-H6:
Normal Operation
The restraints control module (RCM) communicates with the scan tool through the ISO 9141 communications network, circuit 70 (LB/WH).
Possible Causes
- Circuit 70 (LB/WH) open, short to ground or voltage (ISO 9141)
- RCM