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:

Data List / Active Test
DATA LIST / ACTIVE TEST 1. DATA LIST HINT: Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful bec ...

Engine does not Start
DESCRIPTION 1. ENGINE START SYSTEM FUNCTION (a) If the engine switch is pressed with the shift lever in P or N and the brake pedal depressed, the power management control ECU determines that this is an engine start request. (b) The certification ECU (sm ...

TC and CG Terminal Circuit
DESCRIPTION Connecting terminals TC and CG of the DLC3 causes the AWD control ECU to display 2-digit DTCs by flashing the AWD warning light. HINT: When each warning light remains blinking, a short to ground in the wiring of terminal TC of the DLC3 or an ...