Step  | Action  | Yes  | No  | 
|---|---|---|---|
Schematic Reference: Exterior Lights Schematics  | |||
1  | Did you perform the Lighting Diagnostic System Check?  | Go to Step 2  | |
2  | Verify the fault is present. Does the system operate normally?  | Go to Testing for Electrical Intermittents in Wiring Systems  | Go to Step 3  | 
3  | Turn the park lamps ON. Do the park lamps function properly?  | Go to Step 4  | Go to Park Lamps Inoperative  | 
4  | Remove the lamp and Inspect the filament. Is the lamp open?  | Go to Step 8  | Go to Step 5  | 
5  | Connect a test lamp between the park lamp feed circuit and a good ground. Does the test lamp illuminate?  | Go to Step 7  | Go to Step 6  | 
6  | Repair the open in the park lamp feed circuit between the lamp and the fuse. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair?  | Go to Step 9  | --  | 
7  | Repair the open in the lamp ground circuit. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair?  | Go to Step 9  | --  | 
8  | Replace the lamp. Refer to Parking and Turn Signal Lamp Replacement . Did you complete the replacement?  | Go to Step 9  | --  | 
9  | Operate the system in order to verify the repair. Did you correct the condition?  | System OK  | Go to Step 3  |