Symptom Troubleshooting

Symptom Troubleshooting: SRS indicator stays on, but no DTCs are stored

SRS indicator stays on, but no DTCs are stored

1. Connect the HDS to the DLC. Initial Inspection and Diagnostic Overview

2. Turn the ignition switch to ON (II).

3. Make sure the HDS communicates with the vehicle and the SRS unit. If it does not communicate, troubleshoot the DLC circuit. Testing and Inspection

4. Select Body Electrical status with the HDS.

5. Check for DTCs in the Gauge Menu with the HDS.

Is DTC B1187 indicated?
YES - Go to the DTC B1187 troubleshooting.

NO - Go to step 6.


6. Check that the HDS communicate with the SRS unit.

Does the HDS communicate with the SRS unit?
YES - Go to step 7.

NO - If the HDS does not communicate with the SRS unit, check for power and ground at SRS unit connector A (28P). If power and ground are still present, replace the SRS unit. SRS Unit Replacement


7. From the HDS System Menu, select SRS, then SRS in Mode Menu, PARAMETER INFORMATION, then SCS, MES, Indicator. Read the current status of the SRS indicator.

Is the status ON?
YES - Faulty SRS unit; replace the SRS unit. SRS Unit Replacement

NO - Faulty gauge control module; replace the gauge control module. Service and Repair