Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Was the Lighting System Diagnostic System Check performed? | -- | Go to Step 2 | |
2 |
Does the scan tool display OFF status? | -- | Go to Step 3 | Go to Step 7 |
3 | With the scan tool, observe the park lamp relay status. Does the scan tool display OFF status? | -- | Go to Step 4 | Go to Step 11 |
4 |
Did the park lamps turn off? | -- | Go to Step 5 | Go to Step 15 |
5 | Connect a test lamp between the coil feed circuit and the control circuit of the park lamp relay. Does the test lamp illuminate? | -- | Go to Step 6 | Go to Step 13 |
6 | Test the control circuit of the park lamp relay for a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 16 | Go to Step 11 |
7 | Test the park lamp switch input circuit for a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 16 | Go to Step 8 |
8 |
Does the scan tool display the OFF status? | -- | Go to Step 9 | Go to Step 11 |
9 | Inspect for poor connections at the headlamp switch assembly. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 16 | Go to Step 10 |
10 | Replace the headlamp switch assembly. Refer to Headlamp Switch Replacement . Did you complete the replacement? | -- | Go to Step 16 | -- |
11 | Inspect for poor connections at the harness connector of the dash integration module (DIM). Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 16 | Go to Step 12 |
12 | Replace the dash DIM. Refer to Dash Integration Module Replacement in Body Control System. Did you complete the replacement? | -- | Go to Step 16 | -- |
13 | Inspect for poor connections at the park lamp relay. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 16 | Go to Step 14 |
14 | Replace the park lamp relay. Refer to Wiring Repairs in Wiring Systems. Did you complete the replacement? | -- | Go to Step 16 | -- |
15 | Repair the short to power in the park lamp power circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 16 | -- |
16 | Operate the system in order to verify the repair. Did you find and correct the condition? | -- | System OK | Go to Step 2 |
