DESCRIPTION
When the power back door ECU 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 (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 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 |
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 | ![]() |
GO TO STEP 5 |
|
2. |
CHECK POWER BACK DOOR TOUCH SENSOR LH (POWER BACK DOOR TOUCH SENSOR LH - BODY GROUND) |
(a) Disconnect the R3 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 |
*1 |
Component without harness connected (Power Back Door Touch Sensor LH) |
HINT:
Perform this inspection with the touch sensor installed on the vehicle.
NG | ![]() |
REPLACE POWER BACK DOOR TOUCH SENSOR LH |
|
3. |
INSPECT POWER BACK DOOR TOUCH SENSOR LH |
(a) Remove the power back door touch sensor LH (See page
).
(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 |
1 (OSL) - 2 (OSLE) |
Pressed |
Below 100 Ω |
NG | ![]() |
REPLACE POWER BACK DOOR TOUCH SENSOR LH |
|
4. |
CHECK HARNESS AND CONNECTOR (TOUCH SENSOR LH - POWER BACK DOOR ECU AND BODY GROUND) |
(a) Disconnect the R3 power back door touch sensor LH connector and L20 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 |
---|---|---|
R3-1 (OSL) - L20-15 (OSL) |
Always |
Below 1 Ω |
R3-2 (OSLE) - L20-14 (OSE) |
Always |
Below 1 Ω |
R3-1 (OSL) - Body ground |
Always |
10 kΩ or higher |
*1 |
Front view of wire harness connector (to Power Back Door Touch Sensor LH) |
*2 |
Front view of wire harness connector (to Power Back Door ECU) |
OK | ![]() |
REPLACE POWER BACK DOOR ECU (POWER BACK DOOR MOTOR UNIT) |
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 R4 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 |
*1 |
Component without harness connected (Power Back Door Touch Sensor RH) |
HINT:
Perform this inspection with the touch sensor installed on the vehicle.
NG | ![]() |
REPLACE POWER BACK DOOR TOUCH SENSOR RH |
|
6. |
INSPECT POWER BACK DOOR TOUCH SENSOR RH |
(a) Remove the power back door touch sensor RH (See page
).
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 | ![]() |
REPLACE POWER BACK DOOR TOUCH SENSOR RH |
|
7. |
CHECK HARNESS AND CONNECTOR (TOUCH SENSOR RH - POWER BACK DOOR ECU AND BODY GROUND) |
(a) Disconnect the R4 power back door touch sensor RH connector and L20 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 |
---|---|---|
R4-1 (OSR) - L20-13 (OSR) |
Always |
Below 1 Ω |
R4-2 (OSRE) - L20-14 (OSE) |
Always |
Below 1 Ω |
R4-1 (OSR) - Body ground |
Always |
10 kΩ or higher |
*1 |
Front view of wire harness connector (to Power Back Door Touch Sensor RH) |
*2 |
Front view of wire harness connector (to Power Back Door ECU) |
OK | ![]() |
REPLACE POWER BACK DOOR ECU (POWER BACK DOOR MOTOR UNIT) |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Terminals Of Ecu
TERMINALS OF ECU
1. CHECK MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY)
(a) Disconnect the 2A, 2C and 2F main body ECU (driver side junction block assembly)
connectors.
(b) Measure the voltage and resistance according to the value(s) in the table ...
Passenger Airbag ON/OFF Indicator Circuit Malfunction (B1660/43)
DESCRIPTION
The passenger airbag ON/OFF indicator circuit consists of the center airbag sensor
assembly and accessory meter assembly (passenger airbag ON/OFF indicator).
The passenger airbag ON/OFF indicator indicates the operation condition of the
front ...
System Description
SYSTEM DESCRIPTION
1. WIRELESS DOOR LOCK CONTROL SYSTEM
The wireless door lock control system functions to lock and unlock all the doors
from a distance. The system is controlled by a door control transmitter which sends
radio waves to the door control r ...