Fog Lamp Indicator Inoperative

2001 Chevrolet Cavalier LS, 2.4 TSECTION Fog Lamp Indicator Inoperative
WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
Fog Lamp Indicator Inoperative

Step Action Yes No
Schematic Reference: Fog Lights Schematics 
Connector End View Reference: Master Electrical Component List
1 Did you perform the Lighting System Diagnostic System Check? Go to Step 2  Go to Diagnostic System Check - Lighting Systems 
2
  1. Turn the ignition to the RUN position.
  2. Turn ON the park lamps.
  3. Turn ON the fog lamps.
Does the fog lamp indicator illuminate?
Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems Go to Step 3 
3
  1. Turn the ignition to the ON position.
  2. Remove the fog lamp switch, do not disconnect.
  3. Turn the headlamp switch ON.
  4. Press the fog lamp switch.
  5. Using a test lamp connected to ground, back probe the fog lamp relay switched battery positive voltage supply circuit at the fog lamp switch.
Does the test lamp illuminate?
Go to Step 5  Go to Step 4 
4 Test for a poor connection or an open in the fog lamp relay switched battery positive voltage supply circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct condition?
Go to Step 10  Go to Step 8 
5
  1. Disconnect the BCM connector C3.
  2. At the BCM connector C3, install a jumper between the fog lamp indicator control circuit and ground.
  3. Turn the ignition to the ON position.
  4. Press the fog lamp switch.
Does the fog lamp switch indicator illuminate?
Go to Step 9  Go to Step 6 
6 Test for a short to battery positive voltage, an open or a high resistance in the fog lamp indicator control circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 10  Go to Step 7 
7 Replace the fog lamp switch. Refer to Fog Lamp Switch Replacement - Front .
Did you complete the repair?
Go to Step 10  -
8 Replace the underhood fuse block. Refer to Underhood Electrical Center or Junction Block Replacement in Wiring Systems.
Did you complete the repair?
Go to Step 9  -
9
IMPORTANT: Perform the set up procedure for the body control module. Refer to Body Control Module (BCM) Programming/RPO Configuration in Body Control Systems. Replace the BCM. Refer to Body Control Module Replacement in Body Control System.
Did you complete the replacement?
Go to Step 10  -
10 Operate the system in order to verify the repair.
Did you correct the condition?
System OK Go to Step 3 
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.