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 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. Connect the diagnostic scan tool.
2. With the scan tool, observe the engine coolant temperature (ECT) sensor parameter in the Powertrain Control Module data list.

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

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.

Is the replacement complete?

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 3