• | 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. |
The instrument panel cluster (IPC) displays the engine coolant temperature as determined by the powertrain control module (PCM). The IPC receives a serial data message from the PCM indicating the engine coolant temperature.
Displays and Gages Connector End Views
Ignition ON, perform the engine coolant gage sweep test with the scan tool.
⇒ | If the engine coolant gage does not sweep from its low to high position, replace the IPC. |
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.
Control Module References for the IPC replacement, setup, and programming