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:

All Doors LOCK/UNLOCK Functions do not Operate Via Door Control Switch
DESCRIPTION The main body ECU (driver side junction block assembly) receives switch signals from the door control switch and activates the door lock motor on each door according to these signals. WIRING DIAGRAM PROCEDURE 1. REA ...

Installation
INSTALLATION CAUTION / NOTICE / HINT HINT: Use the same procedure for the RH side and LH side. The procedure listed below is for the LH side. PROCEDURE 1. INSTALL CURTAIN SHIELD AIRBAG ASSEMBLY (a) Check that the ignition switch is off. ...

If the engine will not start
If the engine still does not start after following the correct starting procedure (, 175) or releasing the steering lock (, 176), confirm the following points.  - The engine will not start even if you are carrying the correct key. One of the followi ...

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