Toyota Sienna Quiz
Engine hood / door

Power back door drive unit

In this manual: Engine hood / door
Introduction — 55Service specifications — 7Maintenance — 7Engine — 264U151e automatic transaxle — 108Transfer — 19Propeller shaft — 8Drive shaft — 14Differential — 16Axle — 18Suspension — 37Tire and wheel — 54Brake control — 141Parking brake — 16Steering Column — 11Power steering — 18Air conditioning — 106Supplemental restraint system — 146Seat belt — 22Theft deterrent — 14Engine immobiliser — 17Cruise control — 65Lighting — 61Wiper and washer — 13Door lock — 42Meter — 28Audio / visual — 94Navigation — 108Park assist / monitoring — 33Horn — 5Garage door opener — 42GR-FE Engine control system — 126Supplemental restraint system — 147Other system — 14Windshield / windowglass — 43Mirror — 23Instrument panel — 6Seat belt — 22Seat — 92Engine hood / door — 104Exterior — 39Interior — 5Sliding roof — 9Multiplex communication — 18Can communication — 23
5steps
~30min
2/5difficulty
Done 0 of 5

INSPECTION

1. INSPECT POWER BACK DOOR DRIVE UNIT

INSPECT POWER BACK DOOR DRIVE UNIT
  1. Remove the unit.
  2. Apply battery voltage to the terminals and check the motor operation.

Standard

INSPECT POWER BACK DOOR DRIVE UNIT

If the result is not as specified, replace the drive unit.

  1. Check the resistance of the clutch terminals.

Resistance

INSPECT POWER BACK DOOR DRIVE UNIT

If the result is not as specified, replace the drive unit.

INSPECT POWER BACK DOOR DRIVE UNIT
  1. Reinstall the unit with the connector connected.
  2. Check the pulse of the pulse sensor.
  3. Using an oscilloscope, check the pulse generated when the door is manually opened and closed.

Standard (Reference)

INSPECT POWER BACK DOOR DRIVE UNIT

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.

  1. With the connector connected, check the voltage of the terminals of the power back door drive unit connector.

Test yourself

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