RX400h · Service Manual BODY

INSPECTION

Inspection


INSPECT POWER BACK DOOR DRIVE UNIT

  1. B070639E01
    Connect the battery positive (+) lead to terminal 3 and battery negative (-) terminal lead to terminal 9.

  1. Apply battery voltage to the terminals and check the motor operation.

    OK:
    Measurement Condition
    		 Specified Condition
    Battery positive (+) →Terminal 7
    Battery negative (-) → Terminal 8
    		 Open
    Battery positive (+) →Terminal 8
    Battery negative (-) → Terminal 7
    		 Close

  1. Measure the resistance according to the value(s) in the table below.

    Standard resistance:
    Tester Connection
    		 Specified Condition
    3 - 9
    		 4.0 Ω

  1. Reinstall the unit with the connector connected.

  1. B068909E01
    Reference:
    Check the pulse of the pulse sensor.

    1. Using an oscilloscope, check the pulse generated when the door is manually opened and closed.

      OK:
      Terminal
      		 1 - 6, 5 - 6
      Tool setting
      		 10 V/DIV., 10 ms/DIV.
      Vehicle condition
      		 Door moving

      HINT:
      A cycle of the pulse changes between approx. 10 and 20 msec. according to the speeds that the back door is moving.

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