For 1990-2009 cars only
Diagnostic Instructions
| • | 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. |
Circuit/System Description
Voltage is supplied to the instrument panel cluster (IPC) through the battery positive voltage circuit and the ignition 1 voltage circuit. The IPC will operate when the ignition 1 voltage circuit is commanded on in the RUN/START position.
Reference Information
Schematic Reference
Connector End View Reference
Description and Operation
Instrument Cluster Description and Operation
Electrical Information Reference
Scan Tool Reference
Control Module References for scan tool information
Circuit/System Testing
- Ignition OFF, disconnect the IPC.
- Ignition ON, verify that a test lamp illuminates between the ignition voltage circuit terminal A12 and a ground.
- Verify that a test lamp illuminates between the ignition voltage circuit terminal A12 and the ground circuit terminal B15.
- If all circuits test normal, replace the IPC
| ⇒ | If the test lamp does not illuminate, test the ignition voltage circuit for a short to ground or an open/high resistance. |
| ⇒ | If the test lamp does not illuminate, repair the ground circuit for an open/high resistance. |
Repair Instructions
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.
Control Module References for IPC replacement, setup, and programming
