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Home >> Hyundai >> 2012 >> Equus Ultimate >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Heater System >> Console Temperature Control Actuator >> Repair Procedures >> Inspection
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Repair Procedures: Inspection

  1. Ignition "OFF".
  2. Disconnect the connector of console temp control actuator.
  3. Verify that the console temp control actuator operates to the defrost mode when connecting 12V to the terminal 3 and grounding terminal 4.
  4. Verify that the console temp control actuator operates to the vent mode when connecting in the reverse.
    Fig 1: Console Temperature Control Actuator Circuit Diagram
    G08831982Courtesy of HYUNDAI MOTOR AMERICA
  5. Check the voltage between terminals 5 and 6.
    Door position Voltage (5-6) Error detecting
    Max. cooling 0.3 ± 0.15V Low voltage: 0.1V or less
    Max heating 4.7 ± 0.15V High voltage: 4.9V or more

    It will feedback current position of actuator to controls.

  6. If the measured voltage is not specification, substitute with a known-good console temp control actuator and check for proper operation.
  7. If the problem is corrected, replace the mode control actuator.
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