Toyota Venza manuals

Toyota Venza: System Description

SYSTEM DESCRIPTION

1. BACK DOOR CLOSER SYSTEM DESCRIPTION

(a) Operating any power back door switch when the back door is fully closed inputs a request signal to the power back door ECU*1 or back door closer ECU*2. The power back door ECU*1 or back door closer ECU*2 outputs a "latch release" command to the back door lock in response to the input.

(b) The latch can be released only when the back door is unlocked.

(c) 3 switches are built into the back door lock, and the power back door ECU*1 or back door closer ECU*2 monitors each switch status. The power back door ECU*1 or back door closer ECU*2 controls latch "release/ close" operations in response to the inputs from each switch.

Switch

Function

Back door courtesy switch

Detects whether back door is open or closed. This switch turns on when back door is open or ajar and turns off when it is fully closed.

Latch switch

Detects fully closed position of latch. This switch turns on when latch is in over-latch position.

Sector switch

Detects ajar position of latch. This switch turns on when latch is in open-latch position.

  • *1: w/ Power Back Door System
  • *2: w/o Power Back Door System
System Diagram
SYSTEM DIAGRAM Communication Method Transmitting ECU Receiver Signal Communication Method Main body ECU (Driver Side Junction Block Asse ...

How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT: The back door closer system troubleshooting procedure is based on the premise that the power back door system is operating normally. Check the power bac ...

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