Step  | Action  | Yes  | No  | 
|---|---|---|---|
Schematic Reference: Exterior Lights Schematics  | |||
1  | Did you perform the Lighting Systems Diagnostic System Check?  | Go to Step 2  | |
2  | Verify that the marker lamps are inoperative. Do the marker lamps operate normally?  | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems  | Go to Step 3  | 
3  | Are the turn signals lamps and marker, license and tail lamps operating properly?  | Go to Step 4  | |
4  | 
 Does the inoperative lamp have an open filament or terminal?  | Go to Step 7  | Go to Step 6  | 
6  | Repair the open or high resistance in the park lamps supply voltage circuit. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair?  | Go to Step 8  | --  | 
7  | Replace or repair the inoperative bulb/socket. Did you complete the repair?  | 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  |