LEMON Manuals: Even more car manuals for everyone
Home >> Buick >> 2004 >> Century Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 139 (Engine Cooling System) >> Diagnostic Information and Procedures >> Engine Coolant Temperature Indicator Always On

Engine Coolant Temperature Indicator Always On

WARNING: This page is about a different car, the 2004 Pontiac Grand Prix. 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 the Engine Cooling Diagnostic System Check? Go to Step 2  Go to Diagnostic System Check - Engine Cooling 
2 Start the engine.
Does the hot coolant indicator illuminate?		 Go to Step 3  Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems
3
  1. Install a scan tool.
  2. With a 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 
4 Replace the 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 
scientia non olet · About LEMON Manuals