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:
Distance Control ECU Communication Stop Mode
DESCRIPTION
Detection Item
Symptom
Trouble Area
Distance Control ECU
Communication Stop
Mode
Distance control" is not displayed on the
"Communication Bus Check" screen of the
intelligent tester
Applies to "Distance ...
ECM Communication Circuit Malfunction
DTC C1203/53 ECM Communication Circuit Malfunction
DESCRIPTION
The circuit is used to send TRAC and VSC control information from the skid
control ECU to the ECM, and
engine control information from the ECM to the skid control ECU through the CAN
communication
system.
INSPECTION PROCEDURE
1 ...
The Other Caller's Voice cannot be Heard, is too Quiet, or Distorted
INSPECTION PROCEDURE
1 CHECK CELLULAR PHONE
Check if the voice on the other side can be heard using a
cellular phone.
OK:
Voice can be heard
2 CHECK NAVIGATION SYSTEM
Check that navigation sound can be heard from the
driver side speaker.
OK:
Audio sound can be heard
3 CHECK SE ...
