For 1990-2009 cars

Step | Action | Yes | No
--- | --- | --- | ---
Schematic Reference: Interior Lights Schematics
1 | Did you perform the Lighting System Diagnostic System Check? | Go to Step 2 | Go to Diagnostic System Check - Lighting Systems
2 | Open the instrument panel compartment. Does the instrument panel compartment lamp illuminate? | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3
3 | Do the courtesy lamps operate properly? | Go to Step 4 | Go to Courtesy Lamps Inoperative
4 |

1. Disconnect the instrument panel compartment lamp switch.
2. Probe the courtesy lamps supply voltage circuit of the instrument panel compartment lamp with a test lamp that is connected to a good ground.

Does the test lamp illuminate?

Go to Step 5

Go to Step 7

5 | Connect a test lamp between the courtesy lamps supply voltage circuit and the ground circuit of the instrument panel compartment lamp. Does the test lamp illuminate? | Go to Step 6 | Go to Step 8
6 | Inspect for poor connections at the harness connector of the instrument panel compartment lamp switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 10 | Go to Step 9
7 | Repair an open or high resistance in the courtesy lamps supply voltage circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 10 | --
8 | Repair an open or high resistance in the ground circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 10 | --
9 | Replace the instrument panel compartment lamp switch. Refer to Instrument Panel Compartment Lamp Switch Replacement . 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