Toyota Venza: System Diagram

Toyota Venza Service Manual / Door / Hatch / Power Back Door System / System Diagram

SYSTEM DIAGRAM

Communication Table

Sender	Receiver	Signal	Line
Main body ECU (Driver side junction block assembly)	Power back door ECU (Power back door motor unit)	Power back door control switch signal Back door unlock detection switch signal Vehicle speed signal Electrical transmitter switch signal Shift position switch signal	CAN
Power back door ECU (Power back door motor unit)	Main body ECU (Driver side junction block assembly)	Hazard warning light signal Back door courtesy switch signal	CAN
Certification ECU	Main body ECU (Driver side junction block assembly)	Transmitter switch signal	CAN

System Description

SYSTEM DESCRIPTION 1. POWER BACK DOOR SYSTEM DESCRIPTION (a) The power back door system controls the power back door by automatically opening and closing the power back door with a motor. (1) The ...

How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT HINT: Use the following procedures to troubleshoot the power back door system. *: Use the Techstream. PROCEDURE 1. VEHICLE BROUG ...

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On-vehicle Inspection
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Removal
REMOVAL PROCEDURE 1. REMOVE REAR DOOR SCUFF PLATE 2. DISCONNECT REAR DOOR OPENING TRIM WEATHERSTRIP (a) Remove the rear part of the rear door opening trim weatherstrip to the extent that allows removal of the deck trim side panel assembly ...

Operation Check
OPERATION CHECK 1. CHECK BASIC FUNCTIONS (a) When the back door is partially closed, check that the motor operates to fully close (lock) the back door. (b) Check that the back door can be opened. (c) When the back door is partially closed and then the mo ...