Instrument Panel Cluster (IPC) Diagnostic System Check: Testing
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 located under steering column. If scan tool powers up, go to next step. If scan tool does not power up, go to SCAN TOOL DOES NOT POWER UP under SELF-DIAGNOSTIC SYSTEM in BODY CONTROL MODULES - CORVETTE article.
- Turn ignition off. Connect scan tool. Turn ignition on. Attempt to establish communication with IPC. If scan tool communicates with IPC, go to next step. If scan tool does not communicate with IPC, go to SCAN TOOL DOES NOT COMMUNICATE WITH CLASS 2 DEVICE under SELF-DIAGNOSTIC SYSTEM in BODY CONTROL MODULES - CORVETTE article.
- Using scan tool, select IPC DTC function. Check for IPC DTCs. If any DTC exists, go to next step. If no DTCs exist, diagnose IPC by symptom. Go to SYMPTOM TESTS .
- Using scan tool, select IPC DTC function. Check for IPC communication DTCs. These DTCs will begin with "U". If any "U" DTC exists, go to SCAN TOOL DOES NOT COMMUNICATE WITH CLASS 2 DEVICE under SELF-DIAGNOSTIC SYSTEM in BODY CONTROL MODULES - CORVETTE article. If no "U" DTCs exist, go to IPC DTC DEFINITIONS table for diagnosis and repair of DTC.