Stop (Brake) Lamp Symptom Diagnosis; Front Fog Light (If Equipped) Symptom Diagnosis; Rear Fog Light Symptom Diagnosis (If Equipped); Illumination Cancel System Symptom Diagnosis (If Equipped) - Suzuki GRAND VITARA Owner's Manual

Stop (Brake) Lamp Symptom Diagnosis

Condition
Stop (brake) lamp do not
light up
Stop (brake) lamp stay on Stop (brake) lamp switch faulty

Front Fog Light (If Equipped) 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
Only one light does not
light
Front fog lights do not
light

Rear Fog Light Symptom Diagnosis (If Equipped)

Condition
Rear fog light do not light Circuit fuse blown

Illumination Cancel System Symptom Diagnosis (If Equipped)

Condition
Illumination cancel do not
normal operation
Possible cause
Bulb(s) blown
Circuit fuse blown
Stop (brake) lamp switch faulty
Wiring or grounding faulty
Possible cause
Bulb blown
Wiring or grounding faulty
Circuit fuse blown
Bulbs blown
Front fog light switch faulty
Front fog light relay faulty
Wiring or grounding faulty
BCM faulty
Possible cause
Bulb blown
Rear fog light switch faulty
Wiring or grounding faulty
Possible cause
Circuit fuse blown
Illumination cancel switch faulty
Combination meter and/or information
display (clock) faulty
Wiring or grounding faulty
Lighting Systems:
Correction / Reference Item
Replace bulb(s).
Replace fuse and check for short circuit.
Check stop (brake) lamp switch referring to
"Stop (Brake) Lamp Switch Inspection: ".
Repair circuit.
Check or adjust stop (brake) lamp switch
referring to "Stop (Brake) Lamp Switch
Inspection: " or "Brake Light Switch
Adjustment: in Section 4A".
Correction / Reference Item
Replace bulb.
Repair circuit.
Replace fuse and check for short circuit.
Replace bulbs.
Check front fog light switch referring to "Front
Fog Light Switch Inspection (If Equipped): ".
Check front fog light relay referring to "Front
Fog Light Relay Inspection (If Equipped): ".
Repair circuit.
Check BCM for function referring to "Inspection
of BCM and its Circuits: in Section 10B".
Correction / Reference Item
Replace fuse and check for short circuit.
Replace bulb.
Check rear fog light switch referring to "Rear
Fog Light Switch Inspection (If Equipped): ".
Repair circuit.
Correction / Reference Item
Replace fuse and check for short circuit.
Check illumination cancel switch referring to
"Illumination Cancel Switch (If Equipped)
Inspection: ".
Replace combination meter and/or information
display (clock).
Repair circuit.
9B-13
S5JB0A9204005
S5JB0A9204006
S5JB0A9204011
S5JB0A9204012