Engine Coolant Temperature Gage Inaccurate or Inoperative

Engine Coolant Temperature Gage Inaccurate or Inoperative

Diagnostic Instructions

* Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. Initial Inspection and Diagnostic Overview
* Review Strategy Based Diagnosis for an overview of the diagnostic approach.
* Diagnostic Procedure Instructions provides an overview of each diagnostic category.

Circuit/System Description

This diagnostic procedure applies to serial data engine coolant temperature gage located in the instrument panel cluster (IPC).

Circuit/System Testing

Ignition ON, with the scan tool, perform the IPC Display Test in the IPC Output Controls. Verify that the engine coolant temperature gage dial moves from minimum to the maximum value and back to the gage minimum value.

If the gage does not perform the IPC Display Test, replace the IPC.

Repair Instructions

Perform the Diagnostic Repair Verification after completing the diagnostic procedure. Verification Tests

Control Module References for IPC replacement, setup and programming