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:

Inspection
INSPECTION PROCEDURE 1. INSPECT FRONT SHOCK ABSORBER ASSEMBLY (a) Compress and extend the shock absorber rod 4 or more times. Standard: There is no abnormal resistance or sound and operation resistance is normal. HINT: If there i ...

System Description
SYSTEM DESCRIPTION 1. ENGINE IMMOBILISER SYSTEM DESCRIPTION The immobiliser system is a theft deterrent system that determines whether to disable starting of the SFI system based on a comparison of the key ID code and the vehicle pre-registered code. The ...

Sound Quality is Bad Only when CD is Played (Volume is Too Low)
PROCEDURE 1. REPLACE CD AND RECHECK (a) Replace the CD with a new or known good one and check that the malfunction disappears. OK: Malfunction disappears. OK END NG REPLACE ...