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Home >> Buick >> 2004 >> Century Limited >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Engine Cooling System >> Diagnostic Information and Procedures >> Engine Coolant Temperature Indicator Always On

Engine Coolant Temperature Indicator Always On

Engine Coolant Temperature Indicator Always On

Step Action Yes No
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 Engine Coolant Temperature indicator illuminate?
Go to Step 3  Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems
3
  1. Connect the diagnostic scan tool.
  2. Select instrument panel cluster (IPC) inputs menu.
Does the scan tool indicate that the Coolant Hot Lamp is ON?
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.
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