DOOR / HATCH: POWER BACK DOOR SYSTEM: DESCRIPTION (2008 Sequoia)

Last Modified: 11-29-2007		1.6 J
Service Category: Vehicle Exterior	Section: Door/Hatch
Model Year: 2008	Model: Sequoia	Doc ID: RM000002AE0006X
Title: DOOR / HATCH: POWER BACK DOOR SYSTEM: DESCRIPTION (2008 Sequoia)

Touch Sensor Circuit

DESCRIPTION

When the power back door ECU receives a jam signal from the touch sensor while the power back door closer is operating, the ECU reverses the back door operation and opens the door.

WIRING DIAGRAM

INSPECTION PROCEDURE

PROCEDURE

1.	READ VALUE USING TECHSTREAM (POWER BACK DOOR TOUCH SENSOR)

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

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

(e) According to the display on the Techstream, read the Data List.

Back Door

Tester Display

Measurement Item/Range

Normal Condition

Diagnostic Note

PBD Touch Sen L

Power back door touch sensor LH signal / ON or OFF

ON: Power back door touch sensor LH is pressed

OFF: Power back door touch sensor LH is not pressed

PBD Touch Sen R

Power back door touch sensor RH signal / ON or OFF

ON: Power back door touch sensor RH is pressed

OFF: Power back door touch sensor RH is not pressed

OK:

The display is as specified in the normal condition.

2.	INSPECT POWER BACK DOOR TOUCH SENSOR

(a) Remove the power back door touch sensor .

(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Condition	Specified Condition
1 - 2	Not pressed	950 to 1050 Ω
1 - 2	Pressed	Below 100 Ω

3.	CHECK HARNESS AND CONNECTOR (POWER BACK DOOR TOUCH SENSOR - POWER BACK DOOR DRIVE UNIT AND BODY GROUND)

(a) LH Side

(1) Disconnect the V15 sensor connectors.

(2) Disconnect the O30 ECU connector.

(3) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Condition	Specified Condition
V15-1 (OSL) - O30-15 (OSL)	Always	Below 1 Ω
V15-2 (OSLE) - O30-14 (OSE)	Always	Below 1 Ω
V15-1 (OSL) - Body ground	Always	10 kΩ or higher
V15-2 (OSLE) - Body ground	Always	Below 1 Ω

(b) RH Side

(1) Disconnect the V14 sensor connectors.

(2) Disconnect the O30 ECU connector.

(3) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Condition	Specified Condition
V14-1 (OSR) - O30-13 (OSR)	Always	Below 1 Ω
V14-2 (OSRE) - O30-14 (OSE)	Always	Below 1 Ω
V14-1 (OSR) - Body ground	Always	10 kΩ or higher
V14-2 (OSRE) - Body ground	Always	Below 1 Ω

(4) Reconnect the sensor connectors.

(5) Reconnect the ECU connector.