| 1. | Turn the ignition switch OFF, and wait for 10 seconds. |
| 2. | Turn the ignition switch ON (II), 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, system is OK at this time. NO - Go to 3. |
| 3. | Connect the HDS to the DLC. |
| 4. | Turn the ignition switch ON (II). |
| 5. | Make sure the HDS communicates with the vehicle and the SRS unit. If it does not communicate, troubleshoot the DLC circuit: |
| 6. | Do the self diagnostic function with HDS. Does the SRS indicator come on? YES - Faulty SRS unit; replace the SRS unit.n NO - Faulty gauge control module (tach); replace the gauge control module.n |