Instrumentation / Driver Info. / Horn: 9C-10
Warning Buzzer Circuit Symptom Diagnosis
S7RS0B9304012
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.
Cigarette Lighter Symptom Diagnosis (If Equipped)
S7RS0B9304013
Horn Symptom Diagnosis
S7RS0B9304014
Condition Possible cause Correction / Reference Item
Warning buzzer shows no
sounding
Circuit fuse blown Replace fuse and check for short circuit.
Driver side door switch faulty Check driver side door switch referring to
“Door Switch (Front / Rear Door) Inspection”.
Lighting switch faulty Check lighting switch referring to “Headlight
Switch (in Lighting Switch) Inspection in
Section 9B”.
Key reminder switch faulty Check key reminder switch referring to
“Ignition Switch Inspection”.
Seat belt switch faulty (if equipped) Check seat belt switch referring to “Front Seat
Belt Inspection in Section 8A”.
Wiring and/or grounding faulty Repair as necessary.
BCM faulty Replace after making sure that none of above
parts is faulty.
Condition Possible cause Correction / Reference Item
Cigarette lighter shows
no operation
Circuit fuse blown Replace fuse and check for short circuit.
Cigarette lighter faulty Check cigarette lighter.
Ignition switch faulty Check ignition switch referring to “Ignition
Switch Inspection”.
Wiring and/or grounding faulty Repair as necessary.
Condition Possible cause Correction / Reference Item
Horn does not operate Circuit fuse blown Replace fuse and check for short circuit.
Horn switch faulty Check horn switch.
Horn relay faulty Check horn relay referring to “Horn Relay
Inspection”.
Wiring and/or grounding faulty Repair as necessary.
Horn faulty Check horn referring to “Horn Inspection”.
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