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 tail lamps are inoperative. Do the tail lamps operate normally?  | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems  | Go to Step 3  | ||||||
3  | Inspect the inoperative bulb and socket for the following: 
 
 
 Was a problem found?  | Go to Step 9  | Go to Step 4  | ||||||
4  | Inspect LR PARK and RR PARK fuses in underhood fuse block. Are the fuses good?  | Go to Step 5  | Go to Step 6  | ||||||
5  | Test for an open or high resistance in the inoperative rear park lamps supply voltage circuit. Refer to Circuit Testing in wiring systems. Was a problem found?  | Go to Step 7  | Go to Step 8  | ||||||
6  | Repair the short to ground in the inoperative rear park lamps supply voltage circuit. Refer to Wiring Repairs in Wiring Systems. Is the repair complete?  | Go to Step 10  | --  | ||||||
7  | Repair the open or high resistance in the inoperative rear park lamps supply voltage circuit. Refer to Wiring Repairs in Wiring Systems. Is the repair complete?  | Go to Step 10  | --  | ||||||
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 10  | --  | ||||||
9  | Replace the inoperative bulb or socket. Is the repair complete?  | Go to Step 10  | --  | ||||||
10  | Operate the system in order to verify the repair. Did you correct the condition?  | System OK  | Go to Step 3  | ||||||