Step  | Action  | Yes  | No  | 
|---|---|---|---|
Schematic Reference: Exterior Lights Schematics Connector End View Reference: Lighting Systems Connector End Views  | |||
1  | Did you perform the Diagnostic System Check - Vehicle?  | 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  | Go to Step 3  | 
3  | Inspect the appropriate fuse for the inoperative lamps in the body relay block. Is the fuse open?  | Go to Step 5  | Go to Step 4  | 
4  | Test the inoperative bulb or tail lamp printed circuit board for an open or poor terminal contact. Refer to Circuit Testing . Did you find a condition?  | Go to Step 7  | Go to Step 6  | 
5  | Repair the short to ground in the inoperative tail lamps supply voltage circuit or license lamp supply voltage circuit. Refer to Wiring Repairs . Did you complete the repair?  | Go to Step 8  | --  | 
6  | Repair the open or high resistance in the inoperative tail lamps supply voltage circuit or ground circuit. Refer to Wiring Repairs . Did you complete the repair?  | Go to Step 8  | --  | 
7  | Replace the defective bulb or tail lamp printed circuit board. Refer to Tail Lamp Bulb Replacement or Tail Lamp Circuit Board Replacement . 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  |