Toyota Camry owners & service manuals

Toyota Camry (XV70): System Diagram

SYSTEM DIAGRAM

Transmitting ECU (Transmitter)

Receiving ECU

Signal

Communication Method

Skid control ECU (brake actuator assembly)

Steering angle sensor

Steering angle sensor request signal

CAN communication line

Steering angle sensor

Skid control ECU (brake actuator assembly)

Steering angle sensor signal

CAN communication line

Skid control ECU (brake actuator assembly)

Yaw rate and acceleration sensor (airbag sensor assembly)

Yaw rate and acceleration request signal

CAN communication line

Yaw rate and acceleration sensor (airbag sensor assembly)

Skid control ECU (brake actuator assembly)

Yaw rate and acceleration signal

CAN communication line

Skid control ECU (brake actuator assembly)

ECM

  • Wheel speed signal
  • VSC data signal

CAN communication line

ECM

Skid control ECU (brake actuator assembly)

  • Shift position signal
  • Throttle position signal
  • Engine speed signal

CAN communication line

Skid control ECU (brake actuator assembly)

Power steering ECU (rack and pinion power steering gear assembly)

  • Wheel speed signal
  • VSC data signal

CAN communication line

Main body ECU (multiplex network body ECU)

Skid control ECU (brake actuator assembly)

Parking brake switch assembly signal

CAN communication line

Skid control ECU (brake actuator assembly)

Combination meter assembly

  • ABS warning light signal
  • Brake system warning light (red indicator) signal
  • VSC OFF indicator light signal
  • Multi-information display (Traction Control Turned Off) signal
  • Multi-information display (Secondary Collision Brake System Malfunction) signal
  • Slip indicator light signal
  • Vehicle speed signal

CAN communication line

Airbag sensor assembly

Skid control ECU (brake actuator assembly)

Secondary collision brake request signal

CAN communication line

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    CAUTION / NOTICE / HINT HINT: *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT 2. CUSTOMER PROBLEM ANALYSIS (a) Interview

     Check For Intermittent Problems

    CHECK FOR INTERMITTENT PROBLEMS CHECK FOR INTERMITTENT PROBLEMS HINT: A momentary interruption (open circuit) in the connectors and/or wire harness between the sensors and ECUs can be detected using

     Calibration

    CALIBRATION DESCRIPTION (a) Refer to the table below and then perform the necessary operation according to the part to be replaced in order to perform calibration. Parts to be Replaced / Operati

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     Check Mode Procedure

    CHECK MODE PROCEDURE DESCRIPTION (a) Check mode has a higher sensitivity to malfunctions and can detect malfunctions that normal mode cannot detect. Check mode can also detect all of the malfunctions that normal mode can detect. In check mode, DTCs are detected with 1 trip detection logic. CHECK M

     Removal

    REMOVAL PROCEDURE 1. REMOVE FRONT WHEEL OPENING EXTENSION PAD RH Click here 2. REMOVE FRONT WHEEL OPENING EXTENSION PAD LH Click here 3. REMOVE NO. 1 ENGINE UNDER COVER Click here 4. REMOVE NO. 2 ENGINE UNDER COVER ASSEMBLY Click here

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