Engine Coolant Temperature Indicator Always On
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2002 GMC Yukon XL, 2002 GMC Yukon, 2002 Chevrolet Tahoe, 2002 Chevrolet Suburban, and 2002 Chevrolet Avalanche. 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 |
|---|---|---|---|
| Connector End View Reference: Cooling System Connector End Views | |||
| 1 | Did you perform A Diagnostic System Check-Engine Cooling? | Go to Step 2 | Go to DIAGNOSTIC SYSTEM CHECK - Engine Cooling |
| 2 | Start the engine. Does the CHECK COOLANT TEMP indicator illuminate? |
Go to Step 3 | Go to TESTING FOR INTERMITTENT AND POOR CONNECTIONS |
| 3 | With a scan tool select instrument panel cluster, and command the CHECK COOLANT TEMP indicator ON and OFF. Does the CHECK COOLANT TEMP indicator turn ON and OFF when commanded? |
Go to Engine Overheating | Go to Step 4 |
| 4 | Replace the instrument cluster. Refer to INSTRUMENT PANEL CLUSTER (IPC) REPLACEMENT
. 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 |