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Home >> Subaru >> 2016 >> WRX Premium, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 13 (Emission Control Systems (Aux. Emission Control Devices) (WRX-STI)) >> Secondary Air Combination Valve >> Inspection >> Secondary Air Combination Valve LH

Secondary Air Combination Valve LH

WARNING: This page is about a different variant/trim than selected.
  1. Check that the secondary air combination valve LH has no deformation, cracks or other damages.
  2. Check the resistance between the terminals of secondary air combination valve LH.
    Fig 1: Checking Resistance Between Terminals Of Secondary Air Combination Valve LH
    G06344936Courtesy of SUBARU OF AMERICA, INC.
    Terminal No. Standard
    4 and 6 5.0±0.5 Ω (when 20°C (68°F))
    2 and 3 15 kΩ or less
    1 and 2 4.5 kΩ or less
  3. Check that air does not come out from (B) when air is blown into (A).
    Fig 2: Checking Secondary Air Combination Valve LH
    G06344937Courtesy of SUBARU OF AMERICA, INC.
  4. Connect the battery positive terminal to the terminal No. 6 and the battery negative terminal to the terminal No. 4. Check that air is discharged from (B), when supplying air to (A).
    Fig 3: Connecting Battery Positive Terminal To Terminal No. 6
    G06344938Courtesy of SUBARU OF AMERICA, INC.
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