Interior Light Symptom Diagnosis
WARNING: This page is about a different car, the 2008 Suzuki Grand Vitara and 2007 Suzuki Grand Vitara. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
- Use of SUZUKI scan tool makes it easy to check whether a faulty condition is on the input side or output side of BCM. For checking procedure, refer to DIAGNOSIS USING OUTPUT TEST FUNCTION OF SUZUKI SCAN TOOL under Scan Tool Data.
- Check each part in the order from the top of the following list.
INTERIOR LIGHT SYMPTOM DIAGNOSIS TABLE
| Condition | Possible Cause | Action |
|---|---|---|
| Dome light does not light up | Bulb blown | Replace bulb . |
| Circuit fuse blown | Replace fuse and check for short circuit . | |
| Dome light switch faulty | Check dome light switch . | |
| Door switch faulty | Check door switch referring to DOOR SWITCH (FRONT / REAR / REAR END DOOR) INSPECTION . | |
| Wiring or grounding faulty | Repair circuit . | |
| BCM faulty | Replace after making sure that none of above parts is faulty . | |
| Luggage compartment light does not light up (if equipped) | Bulb blown | Replace bulb . |
| Rear end door switch faulty | Check switch referring to DOOR SWITCH (FRONT / REAR / REAR END DOOR) INSPECTION . | |
| Wiring or grounding faulty | Repair circuit . |