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HOMESERVICE MANUALSCHEVROLET2006COBALT SS, 4D SEDAN, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 576 (LIGHTING SYSTEMS)DIAGNOSTIC INFORMATION AND PROCEDURESINTERIOR BACKLIGHTING DOES NOT DIM
2006 Chevrolet Cobalt SS, 4D Sedan, Standard

Interior Backlighting Does Not Dim

2006 Chevrolet Cobalt SS, 4D Sedan, StandardSECTION Interior Backlighting Does Not Dim
WARNING: This page is about a different car, the 2007 Pontiac G5 Pursuit, 2007 Pontiac G5, and 2007 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
Interior Backlighting Does Not Dim

Step Action Yes No
Schematic Reference: Interior Lights Dimming Schematics 
Connector End View Reference: Master Electrical Component List
1 Did you perform the Diagnostic System Check - Vehicle? Go to Step 2  Go to DIAGNOSTIC SYSTEM CHECK - VEHICLE
2
  1. Place the headlamp switch in the PARK position.
  2. Operate the instrument panel (I/P) dimmer switch.
Do the instrument panel lamps operate properly?		 Go to Testing for Intermittent Conditions and Poor Connections Go to Step 3 
3
  1. Place the headlamp switch in the OFF position.
  2. Disconnect the I/P dimmer switch.
  3. Place the headlamp switch in the PARK position.
Are the instrument panel lamps illuminated?		 Go to Step 4  Go to Step 6 
4 Test the I/P dimmer switch signal circuit for a short to ground. Refer to Circuit Testing and Wiring Repairs .
Did you find and correct the condition?		 Go to Step 9  Go to Step 5 
5 Inspect for poor connections at the body control module (BCM). Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .
Did you find and correct the condition?		 Go to Step 9  Go to Step 7 
6 Inspect for poor connections at the I/P dimmer switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .
Did you find and correct the condition?		 Go to Step 9  Go to Step 8 
7 Replace the BCM. Refer to Control Module References for replacement, setup, and programming.
Did you complete the repair?		 Go to Step 9  -
8 Replace the I/P dimmer switch. Refer to Instrument Panel Dimmer Switch Replacement .
Did you complete the replacement?		 Go to Step 9  -
9 Operate the system in order to verify the repair.
Did you correct the condition?		 System OK Go to Step 3 
RENDER: 1.0x

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