Toyota Venza manuals

Toyota Venza: Jam Protection Function Activates During Power Back Door Operation

Toyota Venza Service Manual / Door / Hatch / Power Back Door System / Jam Protection Function Activates During Power Back Door Operation

DESCRIPTION

When the jam protection function activates during power back door operation, one of the following may be the cause: 1) improper fit of back door, or a foreign object is stuck in the back door, 2) malfunctioning power back door touch sensor circuit or 3) malfunctioning power back door ECU (power back door motor unit).

WIRING DIAGRAM


PROCEDURE

1.

CHECK BACK DOOR LOCK FUNCTION

(a) Check if there are any foreign objects interfering with back door operation.

OK:

There are no foreign objects.


NG

REMOVE FOREIGN OBJECT


OK

2.

CHECK BACK DOOR

(a) Check back door operation.

(1) Turn the power back door main switch off.

(2) Open/close the back door by hand.

OK:

The back door fully opens and closes smoothly.


NG

ADJUST BACK DOOR


OK

3.

READ VALUE USING TECHSTREAM (POWER BACK DOOR TOUCH SENSOR)

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(c) Turn the Techstream on.

(d) Enter the following menus: Body Electrical / Back Door / Data List.

(e) Check the Data List to determine if the power back door touch sensor functions properly.

Back Door (Power Back Door ECU)

Tester Display

Measurement Item/Range

Normal Condition

Diagnostic Note

PBD Touch Sensor (Right)

Power back door touch sensor RH signal / ON , OFF or Open

ON: Power back door touch sensor RH pressed

OFF: Power back door touch sensor RH not pressed

Open: Power back door touch sensor RH circuit open

-

PBD Touch Sensor (Left)

Power back door touch sensor LH signal / ON , OFF or Open

ON: Power back door touch sensor LH pressed

OFF: Power back door touch sensor LH not pressed

Open: Power back door touch sensor LH circuit open

-

Result

Proceed to

On the Techstream screen, ON or OFF will be displayed accordingly.

A

On the Techstream screen, ON or OFF will not be displayed accordingly or Open is displayed.

B


A

REPLACE POWER BACK DOOR ECU (POWER BACK DOOR MOTOR UNIT)


B

GO TO OTHER FLOW CHART (TOUCH SENSOR CIRCUIT)

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