For 1990-2009 cars

Step | Action | Yes | No
--- | --- | --- | ---
Schematic Reference: Interior Lights 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 | Do the courtesy lamps operate properly? | Go to Step 3 | Go to Courtesy Lamps Inoperative
3 |

1. Disconnect the vanity mirror lamp harness connector.
2. Place the interior lamp switch in the ON position.
3. Connect a test lamp between the courtesy lamp supply voltage circuit and the ground circuit of the inoperative vanity lamp.

Does the test lamp illuminate?

Go to Step 5

Go to Step 4

4 | Test the courtesy lamp supply voltage circuit for an open, high resistance, or short to ground. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | Go to Step 8 | Go to Step 6
5 | Inspect for poor connections at the harness connector of the inoperative vanity mirror 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 | Locate and repair an open or high resistance in the ground circuit of the inoperative vanity mirror lamp. Refer to Circuit Testing and Wiring Repairs . Did you complete the repair? | Go to Step 8 | --
7 | Replace the sunshade. Refer to Sunshade Replacement . 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 2