9C-9 Instrumentation / Driver Info. / Horn:
Warning Buzzer Circuit Symptom Diagnosis
S5JB0A9304012
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)
S5JB0A9304013
Horn Symptom Diagnosis
S5JB0A9304014
Main beam (high beam)
indicator stay ON
Data (information) can not be received
by CAN communication
Check BCM for DTC referring to “DTC Check:
in Section 10B”.
Combination switch faulty Check combination switch referring to
“Headlight Switch (in Lighting Switch)
Inspection: in Section 9B”.
Wiring or ground faulty Repair circuit.
Combination meter faulty Replace combination meter.
BCM faulty Replace after making sure that none of above
parts is faulty.
Condition Possible cause Correction / Reference Item
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 / Rear End Door)
Inspection: ”.
Lighting switch faulty Check lighting switch referring to “Headlight
Switch (in Lighting Switch) Inspection: in
Section 9B”.
Key remainder switch faulty Check key remainder switch referring to
“Ignition Switch Inspection: ”.
Wiring or ground faulty Repair circuit.
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.
ACC relay faulty Replace relay
Cigarette lighter faulty Check cigarette lighter.
Ignition switch faulty Check ignition switch referring to “Ignition
Switch Inspection: ”.
Wiring or grounding faulty Repair circuit.
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.
Wiring or grounding faulty Repair circuit.
Horn faulty Replace horn.