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:
Short to GND in Rear Curtain Shield Squib LH
Circuit
DTC B1637/85 Short to GND in Rear Curtain Shield Squib LH
Circuit
DESCRIPTION
The rear curtain shield squib LH circuit consists of the center airbag sensor
assembly and the curtain
shield airbag assembly LH.
The circuit instructs the SRS to deploy when deployment conditions are met.
DTC ...
Removal
1. REMOVE CENTER REAR SEAT LAP TYPE BELT
ASSEMBLY (for 8-Passenger)
HINT:
Refer to the instructions for disassembly of the rear No. 1
seat assembly (for center seat).
Remove the bolt and center seat lap type belt
assembly.
2. REMOVE CENTER REAR NO. 2 SEAT LAP BELT
ASSEMBLY WITH I ...
Removal
NOTICE:
Do not adjust the brake booster push rod.
Do not change the combination of the diameter
converting unit and brake.
1. DRAIN BRAKE FLUID
NOTICE:
Wash the brake fluid off immediately if it attaches to
any painted surfaces.
2. SEPARATE BATTERY NEGATIVE TERMINAL
3. REMOVE AIR CLE ...
