Suzuki Grand Vitara JB416 / JB420. Manual - part 409
10B-2 Body Electrical Control System:
• Data which BCM receives from TCM
– Transmission range sensor signal (A/T selector lever position)
• Data which BCM receives from keyless start control module
– Ignition knob switch signal
– Door lock/unlock request signal
– Buzzer request for keyless start system
– Answer back request signal
• Data which BCM receives from 4WD control module
– Buzzer request for 4WD control system
• Data which BCM transmits to combination meter
– Lighting switch signal
– Brake fluid level switch signal (brake warning light control signal)
– Parking brake switch signal (brake warning light control signal)
– Seat belt buckle switch signal (seat belt reminder light control signal)
– Charging system signal (charging system warning light control signal)
– Engine oil pressure switch signal (engine oil low pressure warning light control signal)
– POWER/NORMAL mode switch signal (POWER/NORMAL mode indicator control signal)
– Illumination ON signal
• Data which BCM transmits to TCM
– POWER/NORMAL mode switch signal (POWER/NORMAL mode indicator control signal)
• Data which BCM transmits to keyless start control module
– Door switch status
– Door lock status
• Data which BCM transmits to ECM
– DRL operation signal (electric load signal)
– Air condition ON signal (electric load signal)
– Lighting switch signal (electric load signal)
– Rear defogger operation signal (electric load signal)
Theft Deterrent Light Description
S5JB0AA201003
Theft deterrent light (2) is installed on the HVAC control module (1) for the theft preventive purpose.
The BCM makes the theft deterrent light flash at certain intervals after the ignition switch is turned off until it is turned
on again. Also, DTCs stored in BCM can be checked by reading the flashing patterns of the theft deterrent light when
diagnosing troubles.
2
1
I5JB0AA20001-01