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

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


P1-P3:






P3-P5:






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 1654 (OG/YE). Ground is provided by circuit 1203 (BK/LB).

Possible Causes
- Fuse
- Circuit 70 (LB/WH) open
- Circuit 1654 (OG/YE) open
- Circuit 1203 (BK/LB) open
- RCM