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Home >> Cadillac >> 2004 >> DeVille Base >> Repair and Diagnosis >> Accessories & Equipment >> Interior/Illumination Lights >> Lighting Systems >> Diagnostic Information and Procedures >> Lights On Indicator Inoperative

Lights On Indicator Inoperative

Lights On Indicator Inoperative

Step Action Yes No
Schematic Reference: Headlights/Daytime Running Lights (DRL) Schematics 
Connector End View Reference: Lighting Systems Connector End Views  or Instrument Panel, Gages, and Console Connector End Views
1 Did you perform the Lighting Systems Diagnostic System Check? Go to Step 2  Go to Diagnostic System Check - Lighting Systems 
2 Do the park lamps operate properly? Go to Step 3  Go to Park Lamps Inoperative 
3
  1. Install a scan tool.
  2. Turn ON the ignition, with the engine OFF.
  3. With a scan tool, perform the Display(s) Test in the instrument cluster (IPC) Special Functions.
  4. Observe the LIGHTS ON indicator on the instrument cluster (IPC) during the Display(s) Test.
Does the LIGHTS ON indicator illuminate during the Display(s) Test?
Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems Go to Step 4 
4 Replace the Instrument 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