Test F: The Restraints Control Module (RCM) Does Not Respond To The Scan Tool

PINPOINT TEST F: THE RESTRAINTS CONTROL MODULE (RCM) DOES NOT RESPOND TO THE SCAN TOOL

F1-F3:

F3-F5:

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

Possible Causes
- Fuse
- Circuit 70 (LB/WH) open
- Circuit 937 (RD/WH) open
- Circuit 1203 (BK/LB) open
- RCM