Suzuki GRAND VITARA JB416, Service Manual

Page: 405 / 474

Instrumentation / Driver Info. / Horn: 9C-6
Warning Buzzer Circuit Symptom Diagnosis
S5JB0E9304015
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 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: in related manual”.
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: ”.
Wiring or ground faulty Repair circuit.
BCM faulty Replace after making sure that none of above
parts is faulty.