Engine Coolant Temperature Indicator Always On
WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
Engine Coolant Temperature Indicator Always On
| Step | Action | Yes | No |
|---|---|---|---|
| 1 | Did you perform the Diagnostic System Check - Engine Cooling ? | Go to Step 2 | Go to Diagnostic System Check - Engine Cooling |
| 2 | 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 |
| 3 | 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 |
| 4 | Replace the instrument panel cluster (IPC). Refer to Instrument Panel Cluster (IPC) Replacement
in Instrument Panel, Gages, and Console. Did you complete the repair? |
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 |