Test G: The Restraints Control Module (RCM) Does Not Respond To The Scan Tool Or No ISO 9141 Network Communication

PINPOINT TEST G: THE RESTRAINTS CONTROL MODULE (RCM) DOES NOT RESPOND TO THE SCAN TOOL OR NO ISO 9141 NETWORK COMMUNICATION

Normal Operation
The RCM communicates with the scan tool through the ISO 9141 communications network, circuit 70 (LB/WH). The RCM is the only module on the ISO 9141 network. Voltage for the RCM is provided by circuit 937 (RD/WH). Ground is provided by circuit 1203 (BK/LB).

This pinpoint test is intended to diagnose the following:
- Fuse
- Wiring, terminals or connectors
- RCM

G1:

G1-G4:

G4-G6:

G7-G8: