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Home >> Suzuki >> 2004 >> Verona EX >> Repair and Diagnosis (Single Page) >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Manual A/C Systems >> General Description >> System Components-Control Controller >> Three push knobs

Three push knobs

  1. The A/C push knob
    • Controls the A/C
    • Turns the A/C on when the push knob is pressed and the indicator lamp is illuminated. (The rotary blower control knob must be in one of its four positions for the A/C to function.
  2. The rear window defogger push knob
    • Controls the rear window defogger.
    • Turns on the rear window defogger when the push knob is pressed and the indicator lamp is illuminated.
  3. The fresh air control push knob
    • Switches between recirculating passenger compartment air or bringing outside air into the passenger compartment.
    • Defaults to fresh air mode. The indicator lamp is illuminated when recirculation is selected.
    • Operates the inlet air door by vacuum.

      The electric engine cooling fans are operational any time the A/C control is on. This added feature is part of the A/C controller function and is aimed at preventing excessive compressor head temperatures. It also allows the A/C system to function more efficiently. The operation of the cooling fans is controlled by the electronic control module (ECM) through the cooling fan relays.

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