For 1990-2009 cars

Step | Action | Yes | No
--- | --- | --- | ---
Schematic Reference: Interior Lights Schematics DEFINITION: The dome lamp is inoperative from the dome lamp switch only.
1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle
2 | Place the dome lamp switch in the ON position. Does the dome lamp illuminate? | Go to Testing for Intermittent Conditions and Poor Connections | Go to Step 3
3 | Do the courtesy lamps operate properly? | Go to Step 4 | Go to Courtesy Lamps Inoperative
4 |

1. Disconnect the dome lamp assembly.
2. Probe the ground circuit of the dome lamp with a test lamp that is connected to battery positive voltage.

Does the test lamp illuminate?

Go to Step 5

Go to Step 6

5 | Inspect for poor connections at the harness connector of the dome lamp. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs . Did you find and correct the condition? | Go to Step 8 | Go to Step 7
6 | Repair an open or high resistance in the ground circuit of the dome lamp. Refer to Circuit Testing and Wiring Repairs . Did you complete the repair? | Go to Step 8 | --
7 | Replace the dome lamp assembly. Did you complete the replacement? | Go to Step 8 | --
8 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3