TROUBLESHOOTING INDEX [FULL-AUTO AIR CONDITIONER]


id0703c1800300

Troubleshooting item

Description

Page

Insufficient air (or no air) blown from front vents
•  Insufficient airflow from vent or duct
•  No airflow from vent or duct
•  Front airflow mode does not change
Insufficient air (or no air) blown from rear vents
•  Insufficient airflow from vent or duct
•  No airflow from vent or duct
•  Rear airflow mode does not change
Amount of air blown from front vents does not change
•  Front blower motor does not operate even if airflow volume control switch is operated (no airflow from vent)
•  Front blower motor operation does not change even if airflow volume control switch is operated (airflow volume from vent does not change)
Amount of air blown from rear vents does not change
•  Rear blower motor does not operate even if airflow volume control switch is operated (no airflow from vent)
•  Rear blower motor operation does not change even if airflow volume control switch is operated (airflow volume from vent does not change)
Air intake mode does not change
•  Air intake mode does not change when switching REC/FRESH mode
•  No change in wind noise when airflow volume is set to 3 or more even if REC/FRESH switch is operated
Switch/dial operation does not respond (front climate control unit)
•  Specific switch/dial operation of front climate control unit does not respond
Switch/dial operation does not respond (rear climate control unit)
•  Specific switch operation of rear climate control unit does not respond
All switch/dial operation does not respond (front climate control unit)
•  All switch/dial operation of front climate control unit does not respond
•  Indicator light of front climate control unit does not turn on
All switch/dial operation does not respond (rear climate control unit)
•  All switch operation of rear climate control unit does not respond
No temperature control with front climate control unit
•  Temperature does not change when operating temperature control dial
•  Malfunction in A/C unit and/or front climate control unit air mix system
•  Malfunction in driver and/or passenger side front air mix actuator or related wiring harness
No temperature control with rear climate control unit
•  Temperature does not change when operating temperature control switch
•  Malfunction in A/C unit and/or rear climate control unit air mix system
•  Malfunction in rear air mix actuator or related wiring harness
Windshield fogged
•  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
Refrigerant system ineffective
•  Insufficient cooled-airflow even if airflow temperature setting is MAX COLD
•  Excessive time required to cool to set temperature
No cool air from vent
•  Magnetic clutch does not operate
•  No cool airflow even if airflow temperature setting is MAX COLD
Abnormal noise occurring from A/C compressor
•  Abnormal noise occurring from near A/C compressor during A/C operation
•  Abnormal noise occurring from near A/C compressor regardless of A/C operation
•  Occasional abnormal noise occurring from near A/C compressor during A/C operation
Dual A/C control does not operate
•  Driver or passenger side temperature control dial does not operate individually
Climate control unit does not store information
•  When ignition is switched ON (engine off or on), climate control unit activated with set temperature at 25.0 degrees C while in AUTO
•  Past malfunction code is not stored in climate control unit