Schematic Reference: Engine Cooling Schematics

Connector End View Reference: Cooling System Connector End Views

DEFINITION: The engine coolant temperature indicator is always ON and no powertrain DTCs have been set.

Did you perform the Diagnostic System Check - Vehicle?

Go to Step 2

Go to Diagnostic System Check - Vehicle

Start the engine.

Does the Engine Coolant Temperature indicator illuminate?

Go to Step 3

Go to Testing for Intermittent Conditions and Poor Connections

1. Connect the diagnostic scan tool.
2. With the scan tool, observe the engine coolant temperature parameter in the powertrain control module (PCM) or engine control module (ECM) 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

Important: Perform the programming procedure for the replacement instrument panel cluster (IPC).

Replace the IPC. Refer to Control Module References for replacement, setup and programming.

Did you complete the repair?

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