| Last Modified: 04-05-2023 | 6.11:8.1.0 | Doc ID: RM100000000VKAT |
| Model Year Start: 2016 | Model: Sienna | Prod Date Range: [12/2015 - ] |
| Title: DOOR / HATCH: POWER BACK DOOR SYSTEM: Touch Sensor Circuit; 2016 - 2020 MY Sienna [12/2015 - ] | ||
|
Touch Sensor Circuit |
DESCRIPTION
When the power back door ECU (power back door motor unit) receives a jam signal from the touch sensor while the power back door is operating, the ECU reverses the back door operation and opens the door.
WIRING DIAGRAM
PROCEDURE
|
1. |
READ VALUE USING TECHSTREAM (PBD 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 for proper functioning of the power back door touch sensor.
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
|
Result |
Proceed to |
|---|---|
|
ON and OFF function is normal |
A |
|
ON and OFF function is not normal, or Open is displayed for LH touch sensor |
B |
|
ON and OFF function is not normal, or Open is displayed for RH touch sensor |
C |
| A |
|
END |
| C |
|
|
|
2. |
CHECK POWER BACK DOOR TOUCH SENSOR LH (POWER BACK DOOR TOUCH SENSOR LH - BODY GROUND) |
|
(a) Disconnect the W4 power back door touch sensor LH connector. |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
1 (OSL) - Body ground |
Always |
10 kΩ or higher |
|
2 (OSLE) - Body ground |
Always |
10 kΩ or higher |
Text in Illustration
|
*a |
Component without harness connected (Power Back Door Touch Sensor LH) |
HINT:
Perform this inspection with the touch sensor installed on the vehicle.
| NG |
|
|
|
3. |
INSPECT POWER BACK DOOR TOUCH SENSOR LH |
(a) Remove the power back door touch sensor LH (See page
![2016 - 2020 MY Sienna [12/2015 - ]; DOOR / HATCH: POWER BACK DOOR TOUCH SENSOR: REMOVAL](/t3Portal/stylegraphics/info.gif)
).
Text in Illustration
|
*a |
Component without harness connected (Power Back Door Touch Sensor LH) |
*b |
Not Pressed |
|
*c |
Pressed |
- |
- |
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
1 (OSL) - 2 (OSLE) |
Not pressed |
950 to 1050 Ω |
|
Pressed |
Below 100 Ω |
| NG |
|
|
|
4. |
CHECK HARNESS AND CONNECTOR (TOUCH SENSOR LH - POWER BACK DOOR ECU AND BODY GROUND) |
(a) Disconnect the W4 power back door touch sensor LH connector and K14 power back door ECU connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
W4-1 (OSL) - K14-15 (OSL) |
Always |
Below 1 Ω |
|
W4-2 (OSLE) - K14-14 (OSE) |
Always |
Below 1 Ω |
|
W4-1 (OSL) - Body ground |
Always |
10 kΩ or higher |
| OK |
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
5. |
CHECK POWER BACK DOOR TOUCH SENSOR RH (POWER BACK DOOR TOUCH SENSOR RH - BODY GROUND) |
|
(a) Disconnect the W1 power back door touch sensor RH connector. |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
1 (OSR) - Body ground |
Always |
10 kΩ or higher |
|
2 (OSRE) - Body ground |
Always |
10 kΩ or higher |
Text in Illustration
|
*a |
Component without harness connected (Power Back Door Touch Sensor RH) |
HINT:
Perform this inspection with the touch sensor installed on the vehicle.
| NG |
|
|
|
6. |
INSPECT POWER BACK DOOR TOUCH SENSOR RH |
(a) Remove the power back door touch sensor RH (See page
).
Text in Illustration
|
*a |
Component without harness connected (Power Back Door Touch Sensor RH) |
*b |
Not Pressed |
|
*c |
Pressed |
- |
- |
Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
1 (OSR) - 2 (OSRE) |
Not pressed |
950 to 1050 Ω |
|
1 (OSR) - 2 (OSRE) |
Pressed |
Below 100 Ω |
| NG |
|
|
|
7. |
CHECK HARNESS AND CONNECTOR (TOUCH SENSOR RH - POWER BACK DOOR ECU AND BODY GROUND) |
(a) Disconnect the W1 power back door touch sensor RH connector and K14 power back door ECU connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
W1-1 (OSR) - K14-13 (OSR) |
Always |
Below 1 Ω |
|
W1-2 (OSRE) - K14-14 (OSE) |
Always |
Below 1 Ω |
|
W1-1 (OSR) - Body ground |
Always |
10 kΩ or higher |
| OK |
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|