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Home › Subaru › 2012 › Impreza Sport Limited › Repair and Diagnosis › Engine Performance › Engine Control Systems › Fuel Injection System (H4DO) (Except WRX-STI) › Tumble Generator Valve Assembly › Inspection › Check Motor

Check Motor

  1. Connect the battery positive terminal to terminal No. 5 and the battery ground terminal to terminal No. 4, and check that the valve is fully opened on LH side and the valve is fully closed on RH side.
    CAUTION: Do not power the motor for more than 10 seconds.
    Fig 1: Identifying Fully Open (LH Side) And Fully Closed (RH Side) Tumble Generator Valve Position
    G08315441Courtesy of SUBARU OF AMERICA, INC.
  2. Connect the battery positive terminal to terminal No. 4 and the battery ground terminal to terminal No. 5, and check that the valve is fully closed on LH side and the valve is fully opened on RH side.
    CAUTION: Do not power the motor for more than 10 seconds.
    Fig 2: Identifying Fully Open (RH Side) And Fully Closed (LH Side) Tumble Generator Valve Position
    G08315442Courtesy of SUBARU OF AMERICA, INC.
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