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:

Slip Indicator Light does not Come ON
DESCRIPTION The skid control ECU is connected to the combination meter via CAN communication. WIRING DIAGRAM Refer to Slip Indicator Light Remains ON (See page ). PROCEDURE 1. CHECK CAN COMMUNICATION SYSTEM (a) Check if ...

Removal
REMOVAL CAUTION / NOTICE / HINT NOTICE: When disconnecting the steering intermediate shaft assembly and pinion shaft of steering gear assembly, be sure to place matchmarks before servicing. PROCEDURE 1. PLACE FRONT WHEELS FACING STRAIGHT AHEAD 2. SECUR ...

Dtc Check / Clear
DTC CHECK / CLEAR 1. CHECK DTCS (a) Turn the engine switch off. (b) Connect the Techstream to the DLC3. (c) Turn the engine switch on (IG). (d) Turn the Techstream on. (e) Check for DTCs. Enter the following menus: Body Electrical / Smart Key / Trouble ...