Step | Action | Yes | No |
|---|---|---|---|
1 | Did you perform the Lighting System Diagnostic System Check? | ||
2 |
Does the flash to pass switch input status indicate OFF? | ||
3 | With a scan tool, observe the high beam output (flash to pass) output status. Does the high beam output (flash to pass) output status indicate OFF? | ||
4 |
Did the headlamps turn OFF? | ||
5 | Connect a test lamp between the control circuit of the HDLP HI BM relay and the coil side feed circuit of the HDLP HI BM relay . Does the test lamp illuminate? | ||
6 | Test the HDLP HI BM relay control circuit for a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | ||
7 | Test the flash to pass control circuit for a short to ground. Refer to Circuit Testing an Wiring Repairs in Wiring Systems. Did you find and correct the condition? | ||
8 | Inspect for poor connections at the HDLP HI BM relay. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | ||
9 | Replace the HDLP HI BM relay. Refer Headlamp Relay Replacement . Did you complete the replacement? | -- | |
10 |
Does the flash to pass switch input status indicate OFF. | ||
11 | Inspect for poor connections at the headlamp dimmer switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | ||
12 | Replace the headlamp dimmer switch. Refer to Multifunction, Turn Signal, and Hazard Switch Replacement - On Vehicle in Steering Wheel and Column-Tilt. Did you complete the replacement? | -- | |
13 | Repair the short to power in the high beam headlamp circuit. Refer to Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | |
14 | Test the flash to pass 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? | ||
15 | Inspect for poor connections at 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? | ||
16 | Replace the dash integration module (DIM). Refer to Dash Integration Module Replacement in Body Control System. Did you complete the replacement? | -- | |
17 | Operate the system in order to verify the repair. Did you correct the condition? | System OK |
