Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Exterior Lights Schematics | |||
1 | Did you perform the Lighting Systems Diagnostic System Check? | Go to Step 2 | |
2 |
Do the park lamps remain illuminated? | Go to Step 3 | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems |
3 |
Does the scan tool indicate that the Park Lamp Switch parameter is off? | Go to Step 4 | Go to Step 5 |
4 |
Did the lamps turn off? | Go to Step 9 | Go to Step 7 |
5 |
Does the scan tool indicate that the Park Lamp Switch parameter is off? | Go to Step 8 | Go to Step 6 |
6 | Test for a short to ground in the park lamp switch signal circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 11 | Go to Step 10 |
7 | Repair a short to voltage in the park lamp supply voltage circuit. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 11 | -- |
8 | Replace the headlamp switch assembly. Refer to Headlamp Switch Replacement . Did you complete the replacement? | Go to Step 11 | -- |
9 | Replace the park lamp relay. Refer to Relay Replacement in Wiring Systems. Did you complete the replacement? | Go to Step 11 | -- |
10 | Replace the Instrument Cluster (IPC). Refer to Instrument Cluster Replacement in Instrument Panel, Gages and Console. Did you complete the replacement? | Go to Step 11 | -- |
11 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 2 |
