Security and Locks: 9F-3
Diagnostic Information and Procedures
Power Door Lock System Symptom Diagnosis
S7RS0B9604001
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.
Power Door Lock System Operation Inspection
S7RS0B9604002
1) Check the following operation:
a) Turn the driver side key cylinder is turned LOCK once, check all doors lock.
b) Turn the driver side door key cylinder is turned UNLOCK position with door key twice, check all doors unlock.
If malfunction is found, go to “Power Door Lock System Symptom Diagnosis”.
Condition Possible cause Correction / Reference Item
All door can not be locked
/ unlocked by all of
switches
Circuit fuse blown Replace fuse and check for short circuit.
Wiring or grounding faulty Repair circuit.
BCM faulty Replace after making sure that none of above
parts is faulty.
All door can not be locked
/ unlocked by only power
door lock switch
Circuit fuse blown Replace fuse and check for short circuit.
Power door lock switch faulty Check power door lock switch referring to
“Power Door Lock Switch Inspection”.
Wiring harness connected to power door
lock switch faulty
Repair.
Wiring or grounding faulty Repair circuit.
BCM faulty Replace after making sure that none of above
parts is faulty.
All door can not be locked
/ unlocked by only key
cylinder switch
Circuit fuse blown Replace fuse and check for short circuit.
Key cylinder switch faulty Check key cylinder switch referring to “Door
Key Cylinder Switch Inspection”.
Wiring or grounding faulty Repair circuit.
BCM faulty Replace after making sure that none of above
parts is faulty.
Only one door can not be
locked / unlocked
Power door lock actuator faulty Check actuator referring to “Power Door Lock
Actuator Inspection”.
Wiring harness connected to applicable
door lock actuator faulty
Repair.
BCM faulty Replace after making sure that none of above
parts is faulty.
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