FOUR WHEEL DRIVE CONTROL SYSTEM SYSTEM DIAGRAM

A01FFENE02
Communication Table
Transmitting ECU Receiving ECU Signals Communication method
ECM 4WD ECU

  • Gear shift signal

  • Park/neutral position switch signal (PN signal)

  • R range signal (for the meter)

  • Gear position fail/gear ratio fail signal

  • Gear position signal

  • Engine type information signal

  • Transmission information signal

  • Electronic throttle system sensor malfunction signal

  • Accelerator sensor status flag signal

  • TC terminal status signal

  • Actual output torque signal

  • Accelerator pedal depression amount signal

 CAN Communication System
Skid Control ECU 4WD ECU

  • Wheel speed signal

  • Wheel speed sensor malfunction signal

  • Wheel speed sensor low voltage status signal

  • Wheel speed sensor hardware status signal

  • Wheel speed sensor metal interference judgement status signal

  • Wheel speed sensor momentary interruption judgement status signal

  • Stop light switch signal

  • Stop light switch open signal

  • VSC brake fluid pressure command signal

  • 4WD lock request signal

  • 4WD lock release request signal

  • Yaw rate follow-up control selection signal

  • ABS control in operation signal

  • Control tire radius signal

 CAN Communication System
4WD ECU Skid Control ECU

  • 4WD control hydraulic pressure signal

 CAN Communication System
Steering sensor 4WD ECU

  • Data continuity (valid or invalid) flag signal

  • +B open malfunction signal

  • Sensor malfunction signal

  • Steering angle signal

 CAN Communication System
4WD ECU Combination meter

  • DTC signal

  • Diagnostic sender system number signal

  • AWD warning illumination and blinking request signal

  • Slip indicator light illumination and blinking request signal

 CAN Communication System