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 | 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 10 | Go to Step 11 |
5 |
Does the test lamp illuminate? | Go to Step 6 | Go to Step 12 |
6 | Connect a 15-amp fused jumper wire between the battery positive voltage circuit of the headlamp switch and the park lamp supply voltage circuit of the headlamp switch. Do the park lamps illuminate? | Go to Step 8 | Go to Step 7 |
7 | Test for an open, high resistance, or short to ground in the park lamp supply voltage circuit. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | Go to Step 15 | Go to Step 9 |
8 | 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 15 | Go to Step 13 |
9 | Inspect for poor connections at the harness connector of the body control module (BCM). Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs . Did you find and correct the condition? | Go to Step 15 | Go to Step 14 |
10 | Repair an open or high resistance in the ground circuit of the inoperative park lamp. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | Go to Step 15 | -- |
11 | Repair an open, high resistance, or short to ground in the voltage supply circuit of the inoperative park lamp. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | Go to Step 15 | -- |
12 | Repair an open, high resistance, or short to ground in the battery positive voltage circuit of the headlamp switch. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | Go to Step 15 | -- |
13 | Replace the headlamp switch. Refer to Turn Signal Multifunction Switch Replacement . Did you complete the replacement? | Go to Step 15 | -- |
14 | Replace the BCM. Refer to Control Module References for replacement, setup, and programming. Did you complete the replacement? | Go to Step 15 | -- |
15 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3 |
