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CAN Communication System Transmitting and Receiving Data Table

CAN COMMUNICATION SYSTEM TRANSMITTING AND RECEIVING DATA TABLE

  ECM TCM BCM Combination meter ESP® control module ABS control module 4WD control module Steering angle sensor SDM Yaw rate/G sensor keyless start control module
Engine Torque Signal T R - - R - - - - - -
Accelerator position signal T R - - R - R - - - -
Engine speed signal T R R R R - R - - - -
Throttle position signal T R - - - - - - - - -
Immobilizer indicator light control signal T - - R - - - - - - -
MIL control signal T - - R - - - - - - -
Engine coolant temperature signal T R R R - - - - - - -
Cruise control signal T R - - - - - - - - -
CRUISE/SET indicator light control signal T - - R - - - - - - -
CRUISE/SET indicator light lighting signal R - - T - - - - - - -
Vehicle speed signal* T - R R - - - - - - R
Fuel Consumption signal T - - R - - - - - - -
Brake light switch signal T R - - - - R - - - -
A/C compressor clutch signal T R R - - - - - - - -
A/C refrigerant pressure signal T - R - - - - - - - -
Torque reduction request signal R T - - - - - - - - -
Transmission malfunction signal - T - R - - - - - - -
Transmission shift position signal R T R R - - R - - - -
Transmission actual gear position signal - T - - R - R - - - -
Manual mode Indication request signal (for information display) - T - R - - - - - - -
Buzzer request signal - T T R - - - - - - -
Buzzer request signal - - R - - - - - - - T
Manual mode gear position signal (for information display) R T - R - - - - - - -
DRL indicator light control signal - - T R - - - - - - -
Brake fluid level switch signal - - T R - - - - - - -
Charging system signal - - T R - - - - - - -
Oil pressure switch signal - - T R - - - - - - -
Parking brake switch signal - - T R - - - - - - -
A/C ON signal R - T - - - - - - - -
Low tire pressure warning light control signal - - T R - - - - - - -
Electric load signal R - T R - - - - - - -
Driver seat belt switch signal (reminder light request) - - T R - - - - - - -
Trunk lid switch status (1) - - T - - - - - - - R
Door switch status - - T R - - - - - - R
Door lock status - - T - - - - - - - R
Outside air temperature signal - - T R - - - - - - -
BCM DTC - - T R - - - - - - -
Torque down request signal R - - - T - - - - - -
4WD clutch control request signal - - - - T - R - - - -
Wheel speed signal * (Front Right, Front Left, Rear Right, Rear Left) R R - - T T R - - - -
ESP® active signal R - - R T - R - - - -
ESP® Off light signal - - - R T - - - - - -
ABS active signal R R - - T T R - - - -
ESP® warning light control signal - - - R T - - - - - -
ABS warning light control signal - - - R T T - - - - -
Brake warning light control signal (EBD) - - - R T T - - - - -
4WD coupling control engagement percent - - - - R - T - - - -
4WD mode status R - - - - - T - - - -
4WD mode indicator control signal - - - R - - T - - - -
Steering angle signal - - - - R - - T - - -
Driver seatbelt switch signal - - R - - - - - T - -
Passenger seatbelt switch signal - - R - - - - - T - -
Passenger occupant signal - - R - - - - - T - -
Vehicle yaw rate signal - - - - R - - - - T -
Vehicle lateral G signal - - - - R - - - - T -
Key indicator light control signal - - - R - - - - - - T
Ignition knob switch signal - - R - - - - - - - T
Door lock/unlock request signal - - R - - - - - - - T
Panic alarm request signal - - R - - - - - - - T
Trunk lid opener request signal (1) - - R - - - - - - - T
Answer back request signal - - R - - - - - - - T
(1) Sedan model only
NOTE:
  • T (Transmitting): When two or more control modules start transmission at the same time, control module transmitting the highest priority information gets transmission right and all other control modules enter reception mode.
  • R (Receiving): All control modules connected with CAN communication lines receive all information CAN communication line. Each control module selects only what is necessary and use it for its control function.
  • *: ECM, using wheel speed signal transmitted from ABS/ESP® control module, calculates and determines vehicle speed and transmit that information to each control module.
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