Illumination Cancel System Symptom Diagnosis (If Equipped); Interior Light Symptom Diagnosis; Drl Operation Inspection (If Equipped) - Suzuki SX4 Service Manual

Illumination Cancel System Symptom Diagnosis (If Equipped)

Condition
Illumination cancel do not
normal operation

Interior Light Symptom Diagnosis

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.
Condition
Dome light does not light
up
Luggage compartment
light does not light up (if
equipped)
Front spot lights do not
light up

DRL Operation Inspection (If Equipped)

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 turning ON at low
beam.
4) If check result is not as satisfied, go to "Inspection of DRL Controller and Its Circuits (If Equipped)".
Possible cause
Circuit fuse blown
Illumination cancel switch faulty
Combination meter and/or information
display faulty
Wiring or grounding faulty
Possible cause
Bulb blown
Circuit fuse blown
Dome light switch faulty
Door switch faulty
Wiring or grounding faulty
BCM faulty
Bulb blown
Rear end door / trunk lid switch faulty
Wiring or grounding faulty
Bulb(s) blown
Spot light switch faulty
Wiring or grounding faulty
Lighting Systems:
Correction / Reference Item
Replace fuse and check for short circuit.
Check illumination cancel switch referring to
"Illumination Cancel Switch Inspection (If
Equipped)".
Replace combination meter and/or information
display.
Repair circuit.
Correction / Reference Item
Replace bulb.
Replace fuse and check for short circuit.
Check dome light switch.
Check door switch referring to "Door Switch
(Front / Rear Door) Inspection in Section 9C".
Repair circuit.
Replace after making sure that none of above
parts is faulty.
Replace bulb.
Check switch referring to "Rear End Door
Switch Inspection (Hatchback) in Section 9C"
or "Trunk Lid Switch Inspection (Sedan) in
Section 9C".
Repair circuit.
Replace bulb(s).
Check spot light switch.
Repair circuit.
9B-13
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