Step - | Action | Value(s) | Yes | No |
|---|---|---|---|---|
SCHEMATIC REFERENCE: Headlights Schematics | ||||
1 | Did you perform the Lighting System Diagnostic System Check? | -- | 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 low beam headlamp relay status. Does the scan tool display OFF status? | -- | Go to Step 4 | Go to Step 11 |
4 |
Did the low beam headlamps turn OFF? | -- | Go to Step 5 | Go to Step 15 |
5 |
Does the test lamp illuminated? | -- | Go to Step 6 | Go to Step 13 |
6 | Test for a short to ground in the control circuit of the low beam headlamp relay. 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 |
Does the scan tool display the OFF status? | -- | Go to Step 9 | Go to Step 8 |
8 | Test the headlamp 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 11 |
9 | Inspect for poor connections at the headlamp switch. 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 Turn Signal and Multifunction Switch Assembly - Disassemble - Off Vehicle in Steering Wheel and Column - Tilt. Is the replacement complete? | -- | Go to Step 16 | -- |
11 | Inspect for poor connections at the harness connector of the 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 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 low beam headlamp 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 low beam headlamp 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 low beam headlamp 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 |
