Suzuki GRAND VITARA User Manual

9B-14 Lighting Systems:
Interior Light Symptom Diagnosis
S5JB0A9204007
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: in Section 10B”.
• Check each part in the order from the top of the following list.
Auto-On Headlight Operation Inspection (If
Equipped)
S5JB0A9204020
1) Turn ignition switch to ON position and then turn
lighting switch to “AUTO” position.
2) Release parking brake lever.
3) Check headlights for operation as follows. If
headlights do not turn ON or OFF, go to “Auto-On
Headlight System Symptom Diagnosis (If Equipped):
”.
a) Cover auto-on headlight sensor by hand and
check that headlights light up then.
b) Light over auto-on headlight sensor vertically
with on incandescent lamp of approx, 100 W
apart from about 100 mm (3.94 in.) (1) and check
that headlights go off then.
c) In the state as described in Step a), pull up
parking brake lever and check that headlights go
off then.
DRL Operation Inspection (If Equipped)
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1) Confirm that lighting switch is in OFF position.
2) Confirm that dimmer and passing switch is in low beam position.
3) Check DRL for operation as follows.
a) Turn ignition switch to ON position and check headlights remain OFF.
b) Start engine and run it at idle speed. Check headlights turn ON at low beam.
c) Switch dimmer and passing switch to high beam position and check headlights remain tuning ON at low beam.
4) If a malfunction is found, go to “DRL System Symptom Diagnosis (If Equipped): ”.
Condition Possible cause Correction / Reference Item
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: in
Section 9C”.
Wiring or grounding Repair circuit.
BCM faulty Replace after making sure that none of above
parts is faulty.
Luggage compartment
light (if equipped) does
not light up
Bulb blown Replace bulb.
Back door switch faulty Check switch referring to “Door Switch (Front /
Rear / Rear End Door) Inspection: in Section
9C”.
Wiring or grounding faulty Repair circuit.
[A]: Fig. for Step a) [B]: Fig. for Step b)
[A] [B]
1
I5JB0A920013-02

Suzuki GRAND VITARA Specifications

General

Brand	Suzuki
Model	GRAND VITARA
Category	Automobile
Language	English