For 1990-2009 cars

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 | Go to Symptoms - Lighting Systems
2 | Verify that the Park Lamps are inoperative. Do the Park Lamps operate normally? | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3
3 |

1. Disconnect the Light Switch assembly connector.
2. Connect the test lamp between C216, cavity 12 of the Light Switch assembly and ground.

Does the test lamp illuminate?

Go to Step 4

Go to Step 5

4 | Connect the fused jumper between cavity 12 and cavity 17 of the Light Switch. Do the Park Lamps illuminate? | Go to Step 6 | Go to Step 7
5 | Repair the open circuit between the Junction Block C5, cavity 3 and the Light Switch C216, cavity 12. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 9 | --
6 | Replace the Light Switch assembly. Refer to Headlamp Switch Replacement . Did you complete the repair? | Go to Step 9 | --
7 | Test for an open condition between the Junction Block C1, cavity 2 and S217. Does an open condition exist? | Go to Step 8 | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems
8 | Repair the open condition between C1, cavity 2 of the Junction Block and S217. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 9 | --
9 | Operate the System in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3