Toyota Venza manuals

Toyota Venza: System Diagram

SYSTEM DIAGRAM

Input and Output Signal of Each ECU

Transmitting ECU (transmitter)

Receiving ECU

Signal

Communication Method

Power management Control ECU

Steering Lock ECU (Steering Lock Actuator Assembly)

Power supply status (to steering lock motor)

LIN

Steering Lock ECU (Steering Lock Actuator Assembly)

Certification ECU (Smart Key ECU Assembly)

Sleep available status

LIN

Steering Lock ECU (Steering Lock Actuator Assembly)

  • Certification ECU (Smart Key ECU Assembly)
  • Power Management Control ECU

Lock/Unlock sensor status

LIN

Steering Lock ECU (Steering Lock Actuator Assembly)

Certification ECU (Smart Key ECU Assembly)

Steering lock status

LIN

Steering Lock ECU (Steering Lock Actuator Assembly)

Certification ECU (Smart Key ECU Assembly)

Motor control status

LIN

Steering Lock ECU (Steering Lock Actuator Assembly)

Certification ECU (Smart Key ECU Assembly)

Diagnostic response status

LIN

Steering Lock ECU (Steering Lock Actuator Assembly)

Certification ECU (Smart Key ECU Assembly)

Lock/Unlock sensor malfunction

LIN

Steering Lock ECU (Steering Lock Actuator Assembly)

Certification ECU (Smart Key ECU Assembly)

Power supply malfunction

(to steering lock motor)

LIN

Steering Lock ECU (Steering Lock Actuator Assembly)

Certification ECU (Smart Key ECU Assembly)

Motor driver malfunction

LIN

Steering Lock ECU (Steering Lock Actuator Assembly)

  • Certification ECU (Smart Key ECU Assembly)
  • Power Management Control ECU

Lock bar (stuck) status

LIN

Steering Lock ECU (Steering Lock Actuator Assembly)

  • Certification ECU (Smart Key ECU Assembly)
  • Power Management Control ECU

Push start status

LIN

Steering Lock ECU (Steering Lock Actuator Assembly)

Certification ECU (Smart Key ECU Assembly)

Lock/Unlock relay drive status

LIN

Steering Lock ECU (Steering Lock Actuator Assembly)

  • Certification ECU (Smart Key ECU Assembly)
  • Power Management Control ECU

Engine start control status

LIN

System Description
SYSTEM DESCRIPTION 1. DESCRIPTION (a) The steering lock system locks/unlocks the steering when by activating the steering lock bar with a motor. The steering lock ECU (steering lock actuator assem ...

How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT: Perform troubleshooting in accordance with the following flowchart. *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO ...

Other materials about Toyota Venza:

Inspection
INSPECTION PROCEDURE 1. INSPECT FRONT SEAT CUSHION HEATER LH (a) Check the seat cushion heater. (1) Apply battery voltage and check the seat cushion heater. OK: Measurement Condition Condition ...

Jam Protection Function Activates During Power Back Door Operation
DESCRIPTION When the jam protection function activates during power back door operation, one of the following may be the cause: 1) improper fit of back door, or a foreign object is stuck in the back door, 2) malfunctioning power back door touch sensor c ...

Inspection
INSPECTION PROCEDURE 1. INSPECT FRONT SEAT OUTER BELT ASSEMBLY NOTICE: Do not disassemble the retractor. (a) Before installing the front seat outer belt assembly, check the ELR. (1) When the inclination of the retractor is 15° or less, check that the ...

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