LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Suzuki >> 2007 >> SX4 Base, Standard >> Repair and Diagnosis >> Electrical >> Body Electrical >> Body Electrical Control System >> Diagnostic Information and Procedure >> BCM Self-Diagnosis Function >> BCM Input/Output Table
April 5, 2026: LEMON Manuals is launched! Read the announcement.

BCM Input/Output Table

BCM INPUT/OUTPUT TABLE

Control Input Output
Power door lock system
  • Key cylinder switch
  • Manual door lock switch
  • Each door lock actuator
Keyless entry system
  • Key reminder switch
  • Each door lock actuator
  • Keyless entry receiver
  • Turn signal and hazard warning relay
  • Each door switch
  • Interior light
Keyless start system
(Door lock function)
(if equipped)
  • 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
  • TPMS receiver (if equipped)
  • 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)
  • Warning buzzer (located in BCM)
Rear end door window defogger
  • Rear end door window defogger switch
  • Generator
  • Rear end door window defogger relay
Rear end door opener
  • Manual door lock switch (unlock signal)
  • Key cylinder switch (unlock signal)
  • Keyless entry transmitter (unlock signal)
  • Rear end door opener switch
  • Rear end door opener relay
Door lock canceller
  • SDM (air bag deployment signal)
  • Each door lock actuator
Theft deterrent light
  • Key reminder switch
  • Theft deterrent light (located in information display or clock)
Panic alarm function
  • Panic alarm request signal
  • Headlight low beam
  • Tail light relay
  • Horn relay
Tail light
  • Lighting switch
  • Tail light relay
Seat belt reminder
(if equipped)
  • Seat belt switch signal
  • Combination meter
  • Vehicle speed signal
  • Information display
  • Warning buzzer (located in BCM)
DRL system (if equipped)
  • Lighting switch
  • Combination meter
  • ECM (engine ON, OFF signal)
  • Generator
  • Parking brake switch
  • Headlight low beam
Front fog light (if equipped)
  • Lighting switch
  • Front fog light switch
  • Front fog light relay
Illumination control
(if equipped)
  • Lighting switch
  • Combination meter
  • Illumination controller
  • Information display
  • HVAC control module (unit)
  • Hazard warning switch
  • Audio unit
  • Front fog light switch
  • A/T select lever