Step  | Action  | Yes  | No  | 
|---|---|---|---|
Schematic Reference: Interior Lights Schematics Connector End View Reference: Lighting Systems Connector End Views or Data Communication Connector End Views  | |||
1  | Did you perform the Diagnostic System Check - Vehicle?  | Go to Step 2  | |
2  | Turn ON the vanity mirror lamp. Does the system operate normally?  | Go to Step 3  | |
3  | Are all of the reading, visor and instrument panel (I/P) compartment lamps inoperative?  | Go to Step 4  | Go to Step 6  | 
4  | Is the INADV/PWR/LED Fuse in the I/P fuse block open?  | Go to Step 5  | Go to Step 6  | 
5  | Test the battery positive voltage circuit of the body control module (BCM) for a short to ground. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition?  | Go to Step 12  | Go to Step 9  | 
6  | Test the inadvertent power supply voltage circuit of the vanity lamp for a short to ground, high resistance or an open. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition?  | Go to Step 12  | Go to Step 7  | 
7  | Test the ground circuit of the vanity lamp for high resistance or an open. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition?  | Go to Step 12  | Go to Step 8  | 
8  | Inspect the inoperative bulb for an open filament. Is the bulb OK?  | Go to Step 11  | Go to Step 10  | 
9  | Repair the inadvertent power supply voltage circuit for a short to ground. Refer to Wiring Repairs . Did you complete the repair?  | Go to Step 12  | --  | 
10  | Replace the inoperative bulb. Did you complete the replacement?  | Go to Step 12  | --  | 
11  | Replace the sunshade. Refer to Sunshade Replacement . Did you complete the replacement?  | Go to Step 12  | --  | 
12  | Operate the system in order to verify the repair. Did you correct the condition?  | System OK  | Go to Step 3  |