Diagnostic Information And Procedures; Bcm Self-Diagnosis Function - Suzuki Swift Sport 2004 Service & Repair Manual

10B-9 Body Electrical Control System:
4. Oil pressure switch
5. Outside air temperature sensor (if
equipped)
6. Door lock actuator
(incorporated in key cylinder switch)
7. Door switch
8. Interior light
9. Rear end door opener switch

BCM Self-Diagnosis Function

• 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.
2
BCM input / output table
Control
Power door lock system
Keyless entry system
Keyless start system
(Door lock function)
Rear wiper
Combination meter
15. Rear end door window defogger switch
16. A/C switch
17. Hazard warning switch
18. Rear wiper switch
19. Lighting switch
20. Manual door lock switch

Diagnostic Information and Procedures

1
Input
• Key cylinder switch
• Manual door lock switch
• Key reminder switch
• Keyless entry receiver
• Driver side door switch
• Keyless start control module
• Rear wiper INT switch
• Rear wiper LO switch
• Tail light switch
• Oil pressure switch
• Parking brake switch
• Driver side seat belt switch
• Brake fluid level switch
• Generator
• Each door switch
26. Rear wiper relay
27. Rear end door window defogger relay
28. Turn signal and hazard warning relay
29. Key reminder switch (included in ignition switch)
3
4
Output
• Each door lock actuator
• Each door lock actuator
• Turn signal and hazard warning relay
• Interior light
• Each door lock actuator
• Turn signal and hazard warning relay
• Interior light
• Rear wiper relay
• Combination meter
S7RS0BA204001
I4RS0BA20004-03