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TROUBLESHOOTING INDEX [CLIMATE CONTROL SYSTEM]

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2016 – MX-5 – HVAC

TROUBLESHOOTING INDEX [CLIMATE CONTROL SYSTEM]

TROUBLESHOOTING ITEM

DESCRIPTION

INSUFFICIENT AIR (OR NO AIR) BLOWN FROM VENTS [CLIMATE CONTROL SYSTEM]

  • Problem with each vent and/or duct

  • Airflow mode does not change

AMOUNT OF AIR BLOWN FROM VENTS DOES NOT CHANGE [CLIMATE CONTROL SYSTEM]

  • Malfunction in blower system

AIR INTAKE MODE DOES NOT CHANGE [CLIMATE CONTROL SYSTEM]

  • Air intake mode does not change when switching REC/FRESH mode

NO TEMPERATURE CONTROL WITH CLIMATE CONTROL UNIT [CLIMATE CONTROL SYSTEM]

  • Temperature does not change when operating temperature dial

  • Malfunction in A/C unit and/or climate control unit air mix system

  • Malfunction in air mix actuator or related wiring harness

WINDSHIELD FOGGED [CLIMATE CONTROL SYSTEM]

  • A/C compressor does not operate while airflow mode is in DEFROSTER or DEF/HEAT modes

  • Air intake mode does not change to FRESH while airflow mode is in DEFROSTER or DEF/HEAT modes

AIR FROM VENTS NOT COLD ENOUGH [CLIMATE CONTROL SYSTEM]

  • Magnetic clutch operates but A/C system malfunctions

NO COOL AIR [CLIMATE CONTROL SYSTEM]

  • Magnetic clutch does not operate

NOISE WHILE OPERATING A/C SYSTEM [CLIMATE CONTROL SYSTEM]

  • Noise from magnetic clutch, A/C compressor, hose or refrigerant line

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