Troubleshooting Hints - Gauges and Warning Indicators

^ Make the following checks before beginning system diagnosis.
1. Check the "CLUSTER," "HVAC," and "CLS/PCM" fuses by visual inspection.
2. Check that all connectors in system are mated correctly.
3. Check for open in UART Data Line (CKT 800).
^ Check for a broken (or partially broken) wire inside of the insulation which could cause system failure but prove "GOOD" in a continuity/voltage check.
^ Check for proper installation of aftermarket electronic equipment which may affect the integrity of their systems.
^ Refer to System Diagnosis. System Diagnosis