Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Exterior Lights Schematics | |||
1 | Did you perform the Lighting System Diagnostic System Check? | Go to Step 2 | |
2 |
Do the park lamps operate properly? | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 | Are all the park lamps inoperative? | Go to Step 10 | Go to Step 4 |
4 | Are all the front park lamps inoperative? | Go to Step 8 | Go to Step 5 |
5 | Are all the tail lamps inoperative? | Go to Step 9 | Go to Step 6 |
6 |
Does the test lamp illuminate? | Go to Step 7 | Go to Step 15 |
7 | Connect a test lamp between the ground circuit of the inoperative park lamp bulb and the park lamp supply voltage circuit of the inoperative park lamp bulb. Does the test lamp illuminate? | Go to Step 22 | Go to Step 16 |
8 | Check the FRT PARK LPS fuse for an open. Is the FRT PARK LPS fuse open? | Go to Step 17 | Go to Step 12 |
9 | Check the TAIL LAMP fuse for an open. Is the TAIL LAMP fuse open? | Go to Step 18 | Go to Step 14 |
10 | Backprobe the battery positive voltage feed circuit of the headlamp switch at C201 with a test lamp that is connected to a good ground. Does the test lamp illuminate? | Go to Step 11 | Go to Step 19 |
11 |
Does the test lamp illuminate? | Go to Step 20 | Go to Step 21 |
12 | Test the park lamps supply voltage circuit of the front park lamps for high resistance or an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 23 | Go to Step 13 |
13 | Repair a high resistance or an open in the ground circuit of the front park lamps. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 23 | -- |
14 | Repair the high resistance or open in the park lamp supply voltage circuit of the rear park lamps. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 23 | -- |
15 | Repair the high resistance or open in the park lamp supply voltage circuit of the inoperative park lamp. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 23 | -- |
16 | Repair the high resistance or open in the ground circuit of the inoperative park lamp. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 23 | -- |
17 | Repair the short to ground in the park lamps supply voltage circuit of the front park lamps. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 23 | -- |
18 | Repair the short to ground in the park lamps supply voltage circuit of the tail lamps. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 23 | -- |
19 | Repair the high resistance or open in the battery positive feed circuit of the headlamp switch. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 23 | -- |
20 | Repair the high resistance or open in the park lamps supply voltage circuit of the headlamp switch. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 23 | -- |
21 | Replace the headlamp switch. Refer to Multifunction Turn Signal Lever Replacement - On Vehicle in Steering Wheel and Column. Did you complete the replacement? | Go to Step 23 | -- |
22 | Replace the inoperative park lamp bulb. Refer to Rear License Lamp Replacement , Tail Lamp Assembly and /or Backup, Sidemarker, Stop, Turn Signal Bulb Replacement , or Headlamp Assembly or Headlamp Bulb and/or Cornering, Sidemarker, Park, Turn Signal Bulb Replacement . Did you complete the replacement? | Go to Step 23 | -- |
23 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 2 |
