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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Removal
REMOVAL CAUTION / NOTICE / HINT HINT: Use the same procedure for the RH side and LH side. The procedure listed below is for the LH side. PROCEDURE 1. REMOVE REAR WHEEL 2. SEPARATE REAR SPEED SENSOR (a) Remove the bolt and se ...

No Answer-Back
DESCRIPTION In some cases, wireless door lock control functions are normal but the hazard warning light and/or wireless door lock buzzer answer-back function(s) does not operate. In such cases, the main body ECU (driver side junction block assembly) haz ...