Schematic Reference: Instrument Panel, Gages, and Console Schematic Icons in Instrument Panel, Gages, and Console

DEFINITION: One of the following engine coolant temperature indicators is always ON: Engine Coolant, Engine Coolant Hot/Idle Engine, Engine Hot--AC Off, Engine Overheated/Stop Engine.

Did you perform the Diagnostic System Check - Vehicle?

Go to Step 2

Go to Diagnostic System Check - Vehicle in Vehicle DTC Information

Start the engine.

Does the engine coolant temperature indicator illuminate?

Go to Step 3

Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

1. Install a scan tool.
2. With the scan tool, observe the engine coolant temperature parameter in the powertrain control module (PCM) data list.

Does the scan tool indicate that the coolant temperature is within the temperature range shown on the temperature gage?

Go to Engine Overheating

Go to Step 4

Replace the instrument panel cluster (IPC). Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming.

Did you complete the replacement?

Go to Step 5

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Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2