Toyota Sienna Service Manual: Power back door drive unit
INSPECTION
1. INSPECT POWER BACK DOOR DRIVE UNIT
- Remove the unit.
- Apply battery voltage to the terminals and check the motor operation.
Standard
If the result is not as specified, replace the drive unit.
- Check the resistance of the clutch terminals.
Resistance
If the result is not as specified, replace the drive unit.
- Reinstall the unit with the connector connected.
- Check the pulse of the pulse sensor.
- Using an oscilloscope, check the pulse generated when the door is manually opened and closed.
Standard (Reference)
If the result is not as specified, replace the drive unit.
HINT: A cycle of the pulse changes between approx.
10 to 20 msec. according to the speeds that the slide door is moving.
- With the connector connected, check the voltage of the terminals of the power back door drive unit connector.
Power back door touch sensor
INSPECTION
1. INSPECT POWER BACK DOOR TOUCH SENSOR LH
Check the resistance of the sensor.
Resistance
If the result is not as specified, replace the sensor.
2. INSPECT POWER BACK DOOR T ...
Power back door warning buzzer
INSPECTION
1. POWER BACK DOOR WARNING BUZZER
Check the resistance of the buzzer.
Resistance
If the result is not as specified, replace the buzzer.
NOTICE:
The circuit that causes t ...
Other materials:
Removal
1. Drain automatic transaxle fluid
(a) Remove the drain plug, gasket and drain ATF.
(b) Install a new gasket and the drain plug.
Torque: 49 N*m (500 kgf*cm, 36 ft.*lbf)
2. Drain transfer oil (for 4wd)
Hint:
(see page tf-8)
3. Remove front wheel
4. REMOVE FRONT AXLE HUB LH NUT
(a) Us ...
Operating instructions
Turning the end of the lever turns on the lights as follows:
The illustration is intended as an example.
U.S.A.
Canada
The headlights, side marker,
parking lights, daytime running
lights (if equipped) and so on turn on and off
automatically (when the engine switch is ...
Rear Occupant Classification Sensor RH Circuit
Malfunction
DTC B1783 Rear Occupant Classification Sensor RH Circuit
Malfunction
DESCRIPTION
The rear occupant classification sensor RH circuit consists of the occupant
classification ECU and the
rear occupant classification sensor RH.
DTC B1783 is recorded when a malfunction is detected in the rear oc ...
