Inspection Of Actuator Unit

CHECK ACTUATOR .
1. Disconnect the connector of actuator.
2. Connect the battery to the actuator connector.
  Connector and terminal
  
  RH side:
  
  (R170) No. 4 (+) - (R170) No. 1 (-):
  
  LH side:
  
  (R171) No. 4 (+) - (R171) No. 1 (-):
Does the actuator operate?

Yes : The actuator is normal.

No : Replace the actuator.