Failure Mode L

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

NOTE: The radio may have a 5-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) (RED) on the airbag(s), refer to Air Bags and Seat Belts/Air Bags (Supplemental Restraint Systems)/Service and Repair.

Test Harness B Installation And Testing:

2. Connect Test Harness B (07MAZ-SP00500) between the SRS unit and SRS main harness 18-P connector.

Test Harness B Pinout:

3. Check for continuity between the B5 terminal and body ground, and the B15 terminal and body ground.
^ If there is continuity at either terminal, the SRS unit is faulty. Replace it and recheck the voltages according to the appropriate Failure Mode Diagnostic Chart. Failure Mode Diagnostic Chart
^ If there is no continuity at either terminal, the SRS unit ground, the SRS unit component grounds, or the SRS main harness is faulty. Check the grounds (check the SRS unit ground wire and 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