Mazda CX-9 Grand Touring 2009 Manual page 1744

No temperature control with front
4
climate control unit
5 Windshield fogged
Insufficient air (or no air) from rear
6
vent
Amount of air from rear vent does
7
not change
Air from front/rear vents not cold
8
enough
9 No cool air from front/rear vents
10 Noise while operating A/C system
Dual A/C control function does not
11
operate
NO.1 INSUFFICIENT AIR (OR NO AIR) BLOWN FROM FRONT VENTS
NO.1 INSUFFICIENT AIR (OR NO AIR) BLOWN FROM FRONT VENTS DESCRIPTION AND
POSSIBLE CAUSE
1 Insufficient air (or no air) blown from front vents
DESCRIPTION
2008 Mazda CX-9 Grand Touring
2008 HVAC Symptom Troubleshooting (HVAC) - Mazda CX-9
REC/FRESH mode.
Malfunction in A/C unit and/or front climate control unit
air mix system
Temperature does not change when switching front
climate control unit temperature setting dial.
Malfunction in A/C compressor control system and/or air
intake mode switching system
A/C compressor does not operate while airflow mode is
DEFROSTER or HEAT/DEF modes.
Air intake mode does not change to FRESH while airflow
mode is in DEFROSTER or HEAT/DEF modes.
Problem with each rear vent and/or duct
Rear airflow mode does not change when front and/or
rear climate control unit mode switches.
Malfunction in rear blower motor system
Amount of air blowing rear vents does not change when
switching front and/or rear climate control unit airflow
volume control dial.
Malfunction in A/C basic system
Magnetic clutch operates but A/C system malfunctions.
Malfunction in A/C compressor control system
Magnetic clutch does not operate when the A/C system is
turned ON.
Problem with A/C basic system installation
Noise from magnetic clutch, A/C compressor, hose or
refrigerant line.
Malfunction in A/C unit and/or front climate control unit
dual A/C control system
Driver or passenger-side temperature control dial does not
operate individually.
Problem with each vent and/or duct
Front airflow mode does not change when switching front mode switch.
Malfunction in front airflow mode actuator