Failure Mode L

Failure Mode L: Poor Ground at SRS Unit or Unit Mounting Bolts

NOTE:
The radio may have a five-digit coded theft protection circuit. Be sure to get the customer's code number before disconnecting the battery cables.

1. Before disconnecting any part of the SRS wire harness, install the short connector(s).

Installation Of Test Harness B:

2. Connect Test Harness B between the SRS unit and SRS main harness 18-P connector.

Test Harness B Connector Pinout:

3. Check for continuity between the B5 terminal and body ground, and the B15 terminal and body ground.
- If there is continuity, the SRS unit is faulty. Replace and recheck the voltages according to the appropriate Failure Mode Diagnostic Chart. Refer to Failure Mode Diagnostic Chart.
- If there is no continuity, the SRS unit ground, the SRS unit component grounds or the SRS main harness is faulty. Check the grounds (check wire and control unit mounting bolts) and, if necessary, replace the SRS main harness. Recheck the voltages according to the appropriate Failure Mode Diagnostic Chart. Failure Mode Diagnostic Chart