For 1990-2009 cars

Step | Action | Yes | No
--- | --- | --- | ---
DEFINITION: The Engine Hot indicator is always ON.
1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle
2 | Start the engine. Does the Check Gages indicator illuminate? | Go to Step 3 | Go to Testing for Intermittent Conditions and Poor Connections
3 |

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

Does the scan tool indicate that the ECT Sensor parameter is within the temperature range shown on the temperature gage?

Go to Engine Overheating

Go to Step 4

4 | Replace the instrument panel cluster (IPC). Refer to Instrument Cluster Replacement . Did you complete the replacement? | Go to Step 5 | --
5 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 2