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System Description
 
 
OUTLINE
  • BCM (Body Control Module) controls the various electrical components. It inputs the information required to the control from CAN communication and the signal received from each switch and sensor.
  • BCM has combination switch reading function for reading the operation status of combination switches (light, turn signal, wiper and washer) in addition to a function for controlling the operation of various electrical components. It also has the signal transmission function as the passed point of signal and the power saving control function that reduces the power consumption with the ignition switch OFF.
  • BCM is equipped with the diagnosis function that performs the diagnosis with M.U.T.-III SE and various settings.
 
 
BCM CONTROL FUNCTION LIST
SystemReference
Power door lock systemSystem Description
Power liftgate opener systemSystem Description
Vehicle security systemSystem Description
Power window systemSystem Description
Sunroof systemSystem Description
Headlight systemSystem Description
Intelligent auto light systemSystem Description
High beam assist systemSystem Description
Daytime running light systemSystem Description
Turn signal and hazard warning light systemSystem Description
Parking, license plate, side marker and tail lamps systemSystem Description
Stop light systemSystem Description
Front fog light systemSystem Description
Back-up light systemSystem Description
Exterior light battery saver systemSystem Description
Interior room light control systemSystem Description
Interior room light battery saver systemSystem Description
Illumination control systemSystem Description
Front wiper and washer systemSystem Description
Rear wiper and washer systemSystem Description
Rear window defogger systemSystem Description
Power distribution systemSystem Description
Auto ACC functionSystem Description
PTC heater control systemSystem Description (Auto A/C models)
Combination switch reading systemSystem Description
Signal buffer systemSystem Description
Power consumption control systemSystem Description
Shipping mode control systemSystem Description
 
 
MAC (MESSAGE AUTHENTICATION CODE)
MAC (Message Authentication Code) is a function that prevents unauthorized communication from other than the ECU with MAC function by secure authentication communication. BCM can write a MAC key required for communication between the ECUs and perform MAC diagnosis.