Step  | Action  | Yes  | No  | ||||||
|---|---|---|---|---|---|---|---|---|---|
Schematic Reference: Exterior Lights Schematics  | |||||||||
1  | Did you review the Exterior Lighting Systems Description and Operation and perform the necessary inspections?  | 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  | Turn the multifunction headlamp switch to the HEAD position. Is only one lamp inoperative?  | Go to Step 4  | Go to Step 5  | ||||||
4  | Remove the inoperative lamp and inspect for the following: 
 
 
 Was a problem found?  | Go to Step 9  | Go to Step 5  | ||||||
5  | Test the front park lamps supply voltage circuit for an open, high resistance or short to ground. Refer to Circuit Testing in Wiring Systems. Was a problem found?  | Go to Step 7  | Go to Step 6  | ||||||
6  | Test the ground circuit for an open or high resistance. Refer to Circuit Testing in Wiring Systems. Was a problem found?  | Go to Step 8  | Go to Step 10  | ||||||
7  | Repair the open, high resistance or short to ground in the front park lamps supply voltage circuit. Refer to Wiring Repairs in Wiring Systems. Is the repair complete?  | Go to Step 11  | --  | ||||||
8  | Repair the open or high resistance in the ground circuit. Refer to Wiring Repairs in Wiring Systems. Is the repair complete?  | Go to Step 11  | --  | ||||||
9  | Replace the inoperative marker lamp bulb and/or socket. Is the repair complete?  | Go to Step 11  | --  | ||||||
10  | Replace the marker lamp socket. Is the repair complete?  | Go to Step 11  | --  | ||||||
11  | Operate the system in order to verify the repair. Did you correct the condition?  | System OK  | Go to Step 3  | ||||||