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

1. 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

1. 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)