Test N: No International Standards Organization (ISO) 9141 Network Communication, All Modules Are Not Responding

PINPOINT TEST N: NO INTERNATIONAL STANDARDS ORGANIZATION (ISO) 9141 NETWORK COMMUNICATION, ALL MODULES ARE NOT RESPONDING

N1:

N1-N3:

N3-N6:

N7-N10:

Normal Operation
The restraints control module (RCM), parking aid module and the luggage compartment lid module 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)
- Luggage compartment lid module
- Parking aid module
- RCM