Suzuki 2006 SX4, Service Manual

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10B-7 Body Electrical Control System:
Diagnostic Information and Procedures
BCM Self-Diagnosis Function
S6RW0CA204001
• BCM monitors conditions of the system components and its circuit with ignition switch turned to ON position. When
an abnormality in the system occurs, the area where that abnormality lies is stored in the memory of EEPROM in
BCM.
• DTC can be checked in either one of following ways.
– DTC can be checked by SUZUKI scan tool (2) connected to DLC (1).
– DTC can be read from flashing pattern of Theft deterrent light (3). Also, DTC is displayed on combination meter
(4) at the same time.
BCM Input / Output Table
3
4
2
1
I5RW0AA20007-01
Control Input Output
Power door lock system
• Key cylinder switch
• Manual door lock switch • Each door lock actuator
Keyless entry system
• Key reminder switch
• Keyless entry receiver
• Driver side door switch • Each door lock actuator
• Turn signal and hazard warning relay
• Interior light
Keyless start system
(Door lock function)
• Keyless start control module • Each door lock actuator
• Turn signal and hazard warning relay
• Interior light
Rear wiper
• Rear wiper INT switch
• Rear wiper LO switch • Rear wiper relay
Combination meter
• Tail light switch
• Oil pressure switch
• Parking brake switch
• Driver side seat belt switch
• Brake fluid level switch
• Generator
• Each door switch • Combination meter
Interior light
• Each door switch
• Key reminder switch • Interior light
Warning buzzer
• Key reminder switch
• Tail light switch
• Driver side door switch
• Keyless start control module (if equipped)
• ECM (vehicle speed signal) • Warning buzzer (located in BCM)