Gauge Function System Check
WARNING: This page is about a different car, the 2000 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
- Connect scan tool to DLC. Establish communication with IPC. If scan tool communicates with IPC and no IPC DTCs are stored, go to next step. If scan tool does not communicate with IPC or IPC DTCs are stored, go to INSTRUMENT PANEL CLUSTER (IPC) DIAGNOSTIC SYSTEM CHECK under SELF-DIAGNOSTIC SYSTEM.
- Turn ignition off and back on. IPC will perform a sweep check on all gauges. If all gauges move from minimum reading to maximum reading and back to minimum reading when ignition is cycled, go to next step. If gauges do not operate as specified, go to BODY CONTROL MODULE DIAGNOSTIC SYSTEM CHECK under SELF-DIAGNOSTIC SYSTEM in BODY CONTROL MODULES - CORVETTE article.
- Select IPC special functions on scan tool. Perform gauge sweep on each individual gauge. If each gauge moves from minimum reading to maximum reading and back to minimum reading when commanded, go to next step. If each gauge does not operate as specified, replace IPC. See INSTRUMENT PANEL CLUSTER (IPC) under REMOVAL & INSTALLATION.
- Start engine and allow to idle. Monitor gauges and test drive vehicle as necessary. If all gauges display accurately, go to next step. If all gauges do not display accurately, go to appropriate procedure under SYMPTOM TESTS .
- Using buttons on Driver's Information Center (DIC) depress and release the gauge button to scroll through readings on DIC display. See Figure . If readings are correct, check is complete. If readings are not correct, go to appropriate procedure under SYMPTOM TESTS .