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Home >> Mazda >> 1985 >> GLC Deluxe, 2D Hatchback, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Air Injection System >> System Testing >> System Controls (GLC) >> ACV Solenoid Valve
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ACV Solenoid Valve

  1. The ACV solenoid valve is located on the firewall behind carburetor. Solenoid valve controls vacuum signal to ACV when energized by control unit at idle.
  2. Blow air through port "A" and verify that it exhausts through port "B". Unplug connector, apply battery voltage to terminal with Yellow/Black wire and ground terminal with Light Green wire. See Fig 1 .
    Fig 1: View of ACV Solenoid Valve Valve is open to vacuum flow when solenoid is not energized.
    G40236
  3. Blow air through port "A" of solenoid valve and verify that it exhausts out through valve air filter.
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