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Home >> Mazda >> 2003 >> MX-5 Miata Base, Automatic >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Control System (HVAC) >> Climate Control Unit Inspection >> A/C Switch

A/C Switch

  1. Remove the climate control unit. (See CLIMATE CONTROL UNIT REMOVAL  .)
  2. Inspect for continuity between the A/C switch terminals using an ohmmeter.
    Fig 1: A/C Switch Inspection Table (1 Of 2)
    G01907829Courtesy of MAZDA MOTORS CORP.
    Fig 2: A/C Switch Inspection Table (2 Of 2)
    G01907830Courtesy of MAZDA MOTORS CORP.
  3. Connect battery positive voltage to terminal C and ground to the terminal A.
  4. Turn the A/C switch on.
  5. Verify that the LED illuminates.
    • If not as specified, replace the A/C switch.
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