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:
Slide door lock release motor
Inspection
1. INSPECT SLIDE DOOR LOCK RELEASE MOTOR ASSEMBLY LH
Apply battery voltage and inspect operation of the
motor.
OK
If the result is not as specified, replace the motor
assembly.
2. INSPECT SLIDE DOOR LOCK RELEASE MOTOR ASSEMBLY RH
Apply battery voltage and insp ...
Brake fluid
Checking fluid level
The brake fluid level should be
between the “MAX” and “MIN”
lines on the tank.
“MAX” line
“MIN” line
Adding fluid
Lift the cover off.
Make sure to check the fluid type and prepare the necessary item.
Brake fluid can absorb moisture from t ...
Oxygen (A/F) Sensor Signal Stuck
HINT:
Although the DTC titles say oxygen sensor, these DTCs relate to the
Air-Fuel Ratio (A/F) sensor.
Sensor 1 refers to the sensor mounted in front of the Three-Way
Catalytic Converter (TWC) and
located near the engine assembly.
DESCRIPTION
The A/F sensor generates a voltage* ...
