Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Exterior Lights Schematics | |||
1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | |
2 | Place the headlamp switch in the PARK position. Do the park lamps illuminate? | Go to Testing for Intermittent Conditions and Poor Connections | Go to Step 3 |
3 | Is only one lamp inoperative? | Go to Step 4 | Go to Step 5 |
4 |
Does the test lamp illuminate? | Go to Step 12 | Go to Step 13 |
5 | Are all of the park lamps inoperative? | Go to Step 6 | Go to Step 7 |
6 |
Does the scan tool display the Park Lamp Input parameter as On? | Go to Step 14 | Go to Step 10 |
7 | Are the front park lamps inoperative? | Go to Step 8 | Go to Step 9 |
8 | Test for an open or high resistance in the park lamp supply voltage circuit between splice 216 and the front park lamps. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | Go to Step 18 | Go to Step 15 |
9 | Test for an open or high resistance in the park lamp supply voltage circuit between splice 216 and the rear park lamps. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | Go to Step 18 | Go to Step 16 |
10 | Test the park lamp supply voltage circuit for an open or high resistance between the headlamp switch and splice 216. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | Go to Step 18 | Go to Step 11 |
11 | Inspect for poor connections at the harness connector of the headlamp switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs . Did you find and correct the condition? | Go to Step 18 | Go to Step 17 |
12 | Repair an open or high resistance in the ground circuit of the inoperative lamp. Refer to Circuit Testing and Wiring Repairs . Did you complete the repair? | Go to Step 18 | -- |
13 | Repair an open, high resistance, or short to ground in the park lamp supply voltage circuit of the inoperative lamp. Refer to Circuit Testing and Wiring Repairs . Did you complete the repair? | Go to Step 18 | -- |
14 | Repair an open or high resistance in the park lamp supply voltage circuit at splice 216. Refer to Circuit Testing and Wiring Repairs . Did you complete the repair? | Go to Step 18 | -- |
15 | Repair an open or high resistance in the ground circuit of the front park lamps. Refer to Circuit Testing and Wiring Repairs . Did you complete the repair? | Go to Step 18 | -- |
16 | Repair an open or high resistance in the ground circuit of the rear park lamps. Refer to Circuit Testing and Wiring Repairs . Did you complete the repair? | Go to Step 18 | -- |
17 | Replace the headlamp switch. Refer to Turn Signal Multifunction Switch Replacement . Did you complete the repair? | Go to Step 18 | -- |
18 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3 |
