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Wastegate Control Solenoid Valve: Inspection

  1. Measure the resistance between the boost control solenoid valve terminals.
    Fig 1: Measuring Resistance Between Boost Control Solenoid Valve Terminals
    G06344717Courtesy of SUBARU OF AMERICA, INC.
    RESISTANCE REFERENCE CHART

    Terminal No. Standard
    1 and 2 28 ±2 Ω (20°C (68°F))
  2. Check that air does not come out of (B) when blowing in (A).
    Fig 2: Checking Air Flow
    G06344718Courtesy of SUBARU OF AMERICA, INC.
  3. Connect the terminal No. 1 to the battery positive terminal and the terminal No. 2 to the battery negative terminal. When supplying air to (A), check that air is discharged from (B).
Fig 3: Connecting Terminal No. 1 To Battery Positive Terminal And Terminal No. 2 To Battery Negative Terminal
G06344719Courtesy of SUBARU OF AMERICA, INC.