Pinpoint Test 5: The Restraints Control Module (RCM) Does Not Respond To The Scan Tool

-
PINPOINT TEST 5: THE RESTRAINTS CONTROL MODULE (RCM) DOES NOT RESPOND TO THE SCAN TOOL - HYBRID

Normal Operation

The RCM communicates with the scan tool through the high speed controller area network (HS-CAN). Circuits (W/L) (HS-CAN +) and (W) (HS-CAN -) provide the HS-CAN network connection to the RCM. The RCM shares the HS-CAN network with the PCM, the ABS module, the 4X4 control module, the instrument cluster, the power steering control module, the occupant classification sensor module, the transmission control module (TCM) and the traction battery control module (TBCM). Voltage for the RCM is provided by circuit (G/V) and the RCM is case grounded.

Possible Causes
- Fuse
- Wiring, terminals or connectors
- RCM

Diagnostic Procedure

WARNING: Never probe the electrical connectors on air bag, safety canopy or side air curtain modules. Failure to follow this instruction may result in the accidental deployment of these modules, which increases the risk of serious personal injury or death.

WARNING: Never probe the electrical connectors on safety belt buckle/retractor pretensioners or adaptive load limiting retractors. Failure to follow this instruction may result in the accidental deployment of the safety belt pretensioners or adaptive load limiting retractors, which increases the risk of serious personal injury or death.

CAUTION: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.

NOTE: The supplemental restraint system (SRS) must be fully operational and free of faults before releasing the vehicle to the customer.

NOTE: Most faults are due to connector and/or wiring concerns. Carry out a thorough inspection and verification before proceeding with the Pinpoint Test.

Step 1-Step 4:

Step 5: