Toyota Venza manuals

Toyota Venza: System Diagram

SYSTEM DIAGRAM


Transmitting ECU

(Transmitter)

Receiving ECU

Signal

Communication Method

ECM

Power Steering ECU

  • Engine speed signal
  • Engine variation information signal
  • TC terminal condition
  • 2WD or 4WD information signal
  • Actual output torque signal

CAN

Brake Actuator Assembly (Skid Control ECU)

Power Steering ECU

  • Vehicle speed (SP1) status signal
  • Vehicle speed (SP1) signal
  • Test mode signal
  • VSC controlling signal
  • ABS controlling signal
  • FR, FL, RR and RL wheel speed signal
  • FR, FL, RR and RL wheel speed sensor error signal
  • FR, FL, RR and RL wheel ABS operating signal
  • Yaw rate 1 zero point signal
  • GL1 zero point value signal
  • Yaw rate and acceleration sensor installation information signal
  • Yaw rate zero point error signal
  • VSC operation prohibition state signal
  • Deviation of yaw rate signal
  • FR and FL wheel TRC operating signal
  • Difference brake pressure, FR and FL wheel signal
  • FR, FL, RR and RL wheel speed sensor power supply drop state signal
  • TRC operating signal
  • VDIM controlling signal
  • Stop light switch signal
  • Brake control distinction signal
  • Yaw rate and acceleration sensor axis information signal
  • Yaw rate and acceleration sensor frame information signal

CAN

Steering Angle Sensor

Power Steering ECU

  • Data continuity (valid/invalid) signal
  • +B open circuit signal
  • Sensor malfunction signal
  • Steering angle signal
  • Zero point memory (in sensor) valid/invalid signal
  • Zero point (stored in steering angle sensor) signal

CAN

Yaw Rate Sensor and Acceleration Sensor

Power Steering ECU

  • Yaw rate sensor and acceleration sensor signal
  • Yaw rate sensor and acceleration sensor (valid/invalid) signal
  • Sensor power supply voltage (IG) (valid/invalid) signal
  • Yaw rate sensor and acceleration sensor error signal
  • GL1 and GL2 sensor signal
  • GL1 and GL2 sensor (valid/invalid) signal
  • GL1 and GL2 sensor error signal
  • Data output response non-request/request signal
  • Yaw rate and acceleration sensor CPU monitor signal
  • Sensor type distinction signal
  • Yaw rate difference value signal

CAN

Power Steering ECU

ECM

EPS idle up request signal

CAN

Power Steering ECU

Air Conditioning ECU

Loading control level signal

CAN

Power Steering ECU

Combination Meter

  • EPS light on request signal
  • EPS diagnostic information signal

CAN

Power Steering ECU

Brake Actuator Assembly (Skid Control ECU)

  • EPS assist current value invalid signal
  • EPS torque sensor value invalid signal
  • EPS torque sensor value signal
  • EPS assist current value signal

CAN

Precaution
PRECAUTION 1. PRECAUTION FOR DISCONNECTING THE BATTERY CABLE NOTICE: When disconnecting the cable from the negative (-) battery terminal, initialize the following systems after the cable is recon ...

How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT: Use the following procedure to troubleshoot the power steering system. *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT ...

Other materials about Toyota Venza:

Removal
REMOVAL PROCEDURE 1. REMOVE UPPER CONSOLE PANEL SUB-ASSEMBLY (w/o Seat Heater System) 2. REMOVE UPPER CONSOLE PANEL SUB-ASSEMBLY (w/ Seat Heater System) 3. REMOVE NO. 2 CONSOLE BOX CARPET 4. REMOVE CONSOLE BOX ASSEMBLY 5. REMOVE AIR CONDITION ...

Charge Warning Light Comes ON while Driving
PROCEDURE 1. CHECK LOCK FUNCTION OF GENERATOR CLUTCH PULLEY (a) Check the lock function with the pulley installed in the vehicle. (1) Visually check that the rotor in the generator operates with the engine running. (b) Check ...

Installation
INSTALLATION PROCEDURE 1. INSTALL PARKING BRAKE PEDAL ASSEMBLY (a) Install the parking brake pedal assembly with the 3 nuts. Torque: 21 N·m {214 kgf·cm, 15 ft·lbf} (b) Connect t ...

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