Toyota RAV4 manuals

Toyota Sienna Service Manual: Power back door drive unit

Toyota Sienna Service Manual / Engine hood / door / Power back door drive unit

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.
  1. 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.
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