Trunk / Liftgate Motor: Testing and Inspection

ENGINE HOOD / DOOR: POWER BACK DOOR DRIVE UNIT:

INSPECTION

1. INSPECT POWER BACK DOOR DRIVE UNIT






(a) Connect the battery positive (+) lead to terminal 3 and battery negative (-) terminal lead to terminal 9.
(b) Apply battery voltage to the terminals and check the motor operation.
OK:






(c) Measure the resistance according to the value(s) in the table below.
Standard resistance:






(d) Reinstall the unit with the connector connected.






(e) 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





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