LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Subaru >> 2017 >> Crosstrek Base >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Injection System (H4DO) >> Tumble Generator Valve Assembly >> Inspection >> Check Motor
April 5, 2026: LEMON Manuals is launched! Read the announcement.

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: Testing Tumble Generator Valve Motor Mechanical Operation (1 Of 2)
    G11584103Courtesy 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: Testing Tumble Generator Valve Motor Mechanical Operation (2 Of 2)
    G11584104Courtesy of SUBARU OF AMERICA, INC.