Check Gauges Indicator Always On
- If diagnostic system check has been performed, go to next step. If diagnostic system check has not been performed, perform INSTRUMENT CLUSTER DIAGNOSTIC SYSTEM CHECK under SELF-DIAGNOSTIC SYSTEM.
- Start engine and observe CHECK GAUGES indicator light. If indicator light does not turn off after bulb check, go to next step. If indicator light turns off after bulb check, problem may be intermittent. Try to recreate fault by wiggling wiring and connectors. Check for faulty connections at all connectors that may be causing intermittent condition. See WIRING DIAGRAMS .
- Turn ignition off. Ensure fuel level is at least 3/16 full. Turn ignition on and observe CHECK GAUGES indicator light. If indicator light does not turn off, go to next step. If indicator light turns off after bulb check, no problem is indicated at this time. Test is complete.
- Using scan tool, check for Powertrain Control Module (PCM) Diagnostic Trouble Codes (DTC). If any PCM DTCs are present, perform on-board diagnostic system check. See ON-BOARD DIAGNOSTIC (OBD) SYSTEM CHECK under SELF-DIAGNOSTIC SYSTEM in appropriate SELF-DIAGNOSTICS article in ENGINE PERFORMANCE. If no PCM DTCs are present, go to next step.
- Using scan tool, select WOW mode. Command instrument cluster indicator lights off. If CHECK GAUGES indicator light does not turn off, go to next step. If CHECK GAUGES indicator light turns off, perform on-board diagnostic system check. See ON-BOARD DIAGNOSTIC (OBD) SYSTEM CHECK under SELF-DIAGNOSTIC SYSTEM in appropriate SELF-DIAGNOSTICS article in ENGINE PERFORMANCE.
- Replace instrument cluster. See INSTRUMENT CLUSTER under REMOVAL & INSTALLATION. Check system operation.