Toyota Venza manuals

Toyota Venza: 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 assembly) activates the motor based on signals from the certification ECU (smart key ECU assembly) and power management control ECU.

2. FUNCTIONS OF COMPONENTS

(a) The steering lock ECU (steering lock actuator assembly) controls the system based on information from the following components.

Component

Function

Steering lock ECU (Steering lock actuator assembly)

  • Consists of a motor, lock bar, lock/unlock position sensors, etc. activated by the steering lock ECU (steering lock actuator assembly).
  • Included in the steering lock actuator assembly. Activates the steering lock motor based on permission signals from the power management control ECU.
  • Detects steering lock/unlock positions and transmits the status to other ECUs.

Power management control ECU

Permits the steering lock ECU (steering lock actuator assembly) to supply power to activate the motor. The power management control ECU and certification ECU (smart key ECU assembly) permit engine start after receiving an unlock signal from the steering lock ECU (steering lock actuator assembly).

Certification ECU (Smart key ECU assembly)

The power management control ECU and certification ECU (smart key ECU assembly) permit engine start after receiving an unlock signal from the steering lock ECU (steering lock actuator assembly).

IG2 relay

Controlled by the power management control ECU. Sends IG signals to the steering lock ECU (steering lock actuator assembly).

Parts Location
PARTS LOCATION ILLUSTRATION ...

System Diagram
SYSTEM DIAGRAM Input and Output Signal of Each ECU Transmitting ECU (transmitter) Receiving ECU Signal Communication Method Power manage ...

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Installation
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Sound Signal Circuit between Radio Receiver and Stereo Jack Adapter
DESCRIPTION The No. 1 stereo jack adapter assembly sends the sound signal from an external device to the radio and display receiver assembly via this circuit. The sound signal that has been sent is amplified by the radio and display receiver ...

On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. CHECK THROTTLE BODY ASSEMBLY (a) Check the throttle control motor operating sounds. (1) Turn the ignition switch to ON. (2) When pressing the accelerator pedal, check the operating sound of the running motor. Make sure ...

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