Toyota Venza: System Diagram

Toyota Venza Service Manual / Steering Column / Steering Lock System / 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:

Rear Light Assembly
Components COMPONENTS ILLUSTRATION On-vehicle Inspection ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT REAR LIGHT ASSEMBLY (a) Disconnect the connector from the rear light assembly. (b) Measu ...

Removal
REMOVAL CAUTION / NOTICE / HINT HINT: Use the same procedure for the LH side and RH side. The following procedure listed below is for the LH side. PROCEDURE 1. REMOVE REAR WHEEL 2. SEPARATE REAR SPEED SENSOR 3. REMOVE REAR AXLE SHAF ...

Engine (ignition) switch (vehicles with smart key system)
Performing the following operations when carrying the electronic key on your person starts the engine or changes “ENGINE START STOP” switch modes. - Starting the engine Check that the parking brake is set. Check that the shift lever is set i ...