• | Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. |
• | Review Strategy Based Diagnosis for an overview of the diagnostic approach. |
• | Diagnostic Procedure Instructions provides an overview of each diagnostic category. |
Voltage is supplied to the instrument panel cluster (IPC) through the battery voltage circuit and the RUN/CRANK relay voltage circuit. The IPC will operate when the RUN/CRANK relay voltage circuit is commanded on in the RUN/START position.
Instrument Cluster Description and Operation
Control Module References for scan tool information
⇒ | If the test lamp does not illuminate, repair the RUN/CRANK voltage circuit for a short to ground or an open/high resistance. |
⇒ | If the test lamp does not illuminate, repair the IPC ground circuit for an open/high resistance. |
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.
Control Module References for IPC replacement, setup, and programming