Troubleshooting Hints

PROCEDURE
1. Check GAUGE Fuse with a fuse tester.
2. Check Backup Lamp bulbs.
3. Check that the Audio Alarm Module is securely mounted into Junction Block 1.
4. Check that G400 is clean and tight.
5. If one Backup Lamp is inoperative, check for an open in RED/BLK wire between S400 and inoperative Backup Lamp or an open in WHT/BLK wire between S401 and inoperative Backup Lamp.
6. Before component replacement, check for poor connections at related component and in-line harness connector terminal connections.