Auto-On Headlights System Symptom Diagnosis
WARNING: This page is about a different car, the 2006 Suzuki XL-7. However, it is still accessible from the selected car via links, so may be relevant.
AUTO-ON HEADLIGHTS SYSTEM SYMPTOM DIAGNOSIS
| Condition | Possible Cause | Action |
|---|---|---|
| Auto-on headlights system does not operate even after darkened or lightened | Auto-on light sensor faulty | Check Auto-on sensor referring to AUTO-ON HEADLIGHT SENSOR ON-VEHICLE INSPECTION . |
| Headlight switch faulty | Check headlight switch referring to HEADLIGHT SWITCH (IN LIGHTING SWITCH) INSPECTION . | |
| Headlight relay faulty | Check headlight relay referring to HEADLIGHT AND CLEARANCE LIGHT RELAYS INSPECTION . | |
| Headlight diode faulty | Check headlight diode referring to HEADLIGHT DIODE INSPECTION . | |
| Parking brake switch or its circuit faulty | Repair or replace switch. | |
| Wiring or grounding faulty | Repair as necessary. | |
| BCM faulty | Check BCM referring to INSPECTION OF BCM AND ITS CIRCUITS . |