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 ...

Other materials about Toyota Venza:

Disassembly
DISASSEMBLY PROCEDURE 1. REMOVE NO. 1 CONSOLE BOX CARPET (a) Remove the No. 1 console box carpet. 2. REMOVE INSTRUMENT PANEL CUP HOLDER DAMPER (a) Pull the instrument panel cup holder da ...

How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT: Use the following procedure to troubleshoot the start function. *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT ...

Low Battery Positive Voltage or Abnormally High Battery Positive Voltage (C1241/41)
DESCRIPTION If a malfunction is detected in the power supply circuit, the skid control ECU (housed in the actuator assembly) stores this DTC and the fail-safe function prohibits ABS operation. This DTC is stored when the IG1 terminal voltage deviates fro ...

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