1. | Turn the ignition switch ON (II), and watch the EPS indicator. Does the EPS indicator come on? YES - The system is OK at this time.n NO - Go to 2. |
2. | Turn the ignition switch OFF, then ON (II) again, and watch the brake system indicator. Does the brake system indicator come on? YES - Troubleshoot the gauge control module (tach).n NO - Go to 3. |
3. | Turn the ignition switch OFF. |
4. | Check the No. 10 (7.5A) fuse in the under-dash fuse/relay box. Is the fuse OK? YES - Reinstall the fuse, and go to 5. NO - Replace the fuse, and recheck. If the fuse is blown, check for a short to body ground in this fuse circuit.n |
5. | Disconnect the gauge control module (tach) connector (36P). |
6. | Turn the ignition switch ON (II). |
7. | Measure the voltage between body ground and the gauge control module (tach) connector (36P) No. 17 terminal.
Is there battery voltage? YES - Troubleshoot the gauge control module (tach).n NO - Repair open in the wire between the gauge control module (tach) and under-dash fuse/relay box, or open in the wire under-dash fuse/relay box.n |