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Home >> Subaru >> 2012 >> Impreza WRX STi Limited >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Injection System (WRX-STI) >> Wastegate Control Solenoid Valve >> Inspection >> WASTEGATE Control Solenoid Valve

WASTEGATE Control Solenoid Valve

  1. Check that the wastegate control solenoid valve has no deformation, cracks or other damages.
  2. Check the resistance between the wastegate control solenoid valve terminals.
    Fig 1: Checking Resistance Between Wastegate Control Solenoid Valve Terminals
    G07704501Courtesy of SUBARU OF AMERICA, INC.
    TEMPERATURE RESISTANCE REFERENCE CHART

    Terminal No. Standard
    1 and 2 28±2 Ω (when 20°C (68°F))
  3. Check that air does not come out from (B) when air is blown into (A).
    Fig 2: Checking Air Does Not Come Out From (B) Port When Air Is Blown Into (A) Port Of Wastegate Control Solenoid Valve
    G07704502Courtesy of SUBARU OF AMERICA, INC.
  4. Connect the battery positive terminal to the terminal No. 1 and the battery ground terminal to the terminal No. 2. Check that air is discharged from (B), when supplying air to (A).
    Fig 3: Connecting Battery Positive Terminal To Terminal No. 1 And Battery Ground Terminal To Terminal No. 2
    G07704503Courtesy of SUBARU OF AMERICA, INC.