Symptom Troubleshooting

Symptom Troubleshooting: SRS indicator does not come on

SRS indicator does not come on

NOTE: Before replacing the SRS unit, check the SRS unit software version with the HDS. If the software version is not the latest, update the SRS unit software, SRS Unit Update and retest.

1. Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode, then wait for 10 seconds.

2. Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode, and check that the SRS indicator comes on for about 6 seconds and then goes off.

Does the SRS indicator come on?
YES - Intermittent failure, the system is OK at this time.

NO - Go to step 3.


3. Connect the HDS to the data link connector (DLC). Initial Inspection and Diagnostic Overview

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

5. Do the gauge control module self diagnostic function. Reading and Clearing Diagnostic Trouble Codes

Does the SRS indicator come 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