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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1513 (Lighting Systems) >> Diagnostic Information and Procedures >> Instrument Panel (I/P) Compartment Lamp Inoperative

Instrument Panel (I/P) Compartment Lamp 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.
Instrument Panel (I/P) Compartment Lamp Inoperative

Step Action Yes No
Schematic Reference: Interior Lights Schematics 
Connector End View Reference: Master Electrical Component List
1 Did you perform the Lighting Systems Diagnostic System Check? Go to Step 2  Go to Diagnostic System Check - Lighting Systems 
2 Open the I/P compartment.
Does the lamp turn ON?
Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems Go to Step 3 
3 Does the underhood lamp, vanity mirror lamp, and rearview mirror lamp operate normally? Go to Step 6  Go to Step 4 
4
  1. Remove the monitored LD relay.
  2. Install a 10 A fused jumper between the coil side supply circuit and the switched side supply circuit.
Do the lamps operate normally?
Go to Step 5  Go to Step 12 
5
  1. Reinstall the monitored LD relay.
  2. Disconnect the BCM connector C1.
  3. Install a jumper between the courtesy lamp relay control circuit and ground.
Do the lamps operate normally?
Go to Step 13  Go to Step 8 
6
  1. Turn ON the ignition, with the engine OFF.
  2. Remove the I/P compartment lamp.
  3. Probe the I/P compartment lamp voltage supply circuit with a test lamp connected to ground.
Does the test lamp illuminate?
Go to Step 7  Go to Step 9 
7 Connect a test lamp between the I/P compartment lamp voltage supply circuit and the ground circuit of the I/P compartment lamp.
Does the test lamp illuminate?
Go to Step 14  Go to Step 10 
8 Test for a poor connection, an open, or a short to battery positive voltage in the courtesy lamp relay control circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 15  Go to Step 11 
9 Repair the open in the switched voltage supply circuit of the I/P compartment lamp. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you complete the repair?
Go to Step 15  -
10 Repair the open in the ground circuit of the I/P compartment lamp. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you complete the repair?
Go to Step 15  -
11 Replace the monitored LD relay. Refer to Relay Replacement (Within an Electrical Center) or Relay Replacement (Attached to Wire Harness) in Wiring Systems.
Did you complete the repair?
Go to Step 15  -
12 Replace the I/P fuse block. Refer to Relay Replacement (Within an Electrical Center) or Relay Replacement (Attached to Wire Harness) in Wiring Systems.
Did you complete the replacement.
Go to Step 15  -
13
IMPORTANT: Perform the set up procedure for the body control module. Refer to Body Control Module (BCM) Programming/RPO Configuration in Body Control System.
Replace the BCM. Refer to Body Control Module Replacement in Body Control System.Did you complete the replacement.
Go to Step 15  -
14 Replace the IP compartment lamp switch. Refer to Instrument Panel (I/P) Compartment Lamp Switch Replacement .
Did you complete the replacement?
Go to Step 15  -
15 Operate the system in order to verify the repair.
Did you correct the condition?
System OK Go to Step 3