Step | Action | Yes | No |
|---|---|---|---|
1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle in Vehicle DTC Information |
2 | Start the engine. Does the high coolant temp indicator illuminate? | Go to Step 3 | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems |
3 | With a 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 on the instrument panel cluster (IPC)? | Go to Engine Overheating | Go to Step 4 |
4 | Replace the IPC. Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming. Is the replacement complete? | Go to Step 5 | -- |
5 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3 |
