Step | Action | Yes | No | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Schematic Reference: Headlights/Daytime Running Lights (DRL) Schematics Connector End View Reference: Master Electrical Component List | |||||||||||
1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | |||||||||
2 |
Do the headlamps turn OFF as expected? | Go to Testing for Intermittent Conditions and Poor Connections | Go to Step 3 | ||||||||
3 |
Does the parameter switch from Inactive to Active while the headlamps or daytime running lamps (DRL) remain illuminated? | Go to Step 6 | Go to Step 4 | ||||||||
4 | Test the headlamp switch headlamps OFF signal, circuit of the headlamp switch for the following:
Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | Go to Step 9 | Go to Step 5 | ||||||||
5 | Inspect for a 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 9 | Go to Step 7 | ||||||||
6 | Inspect for a 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 9 | Go to Step 8 | ||||||||
7 | Replace the headlamp switch. Refer to Headlamp Switch Replacement . Did you complete the replacement? | Go to Step 9 | -- | ||||||||
8 | Replace the BCM. Refer to Control Module References for replacement, setup, and programming. Did you complete the replacement? | 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 |