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 reading lamps. Does the system operate normally?  | Go to Step 3  | |
3  | Test the inadvertent power supply voltage circuit of the reading 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 8  | Go to Step 4  | 
4  | Test the ground circuit of the reading lamp for high resistance or an open. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition?  | Go to Step 8  | Go to Step 5  | 
5  | Inspect the inoperative bulb for an open filament. Is the bulb good?  | Go to Step 7  | Go to Step 6  | 
6  | Replace the inoperative bulb. Refer to Dome Lamp Replacement . Did you complete the replacement?  | Go to Step 8  | --  | 
7  | Replace the dome lamp. Refer to Dome Lamp Replacement . Did you complete the replacement?  | Go to Step 6  | --  | 
8  | Operate the system in order to verify the repair. Did you correct the condition?  | System OK  | Go to Step 3  |