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
REC/FRESH mode.
4
No temperature control with front
climate control unit
z
Malfunction in A/C unit and/or front climate control unit
air mix system
z
Temperature does not change when switching front
climate control unit temperature setting dial.
5 Windshield fogged
z
Malfunction in A/C compressor control system and/or air
intake mode switching system
z
A/C compressor does not operate while airflow mode is
DEFROSTER or HEAT/DEF modes.
z
Air intake mode does not change to FRESH while airflow
mode is in DEFROSTER or HEAT/DEF modes.
6
Insufficient air (or no air) from rear
vent
z
Problem with each rear vent and/or duct
z
Rear airflow mode does not change when front and/or
rear climate control unit mode switches.
7 Amount of air from rear vent does
not change
z
Malfunction in rear blower motor system
z
Amount of air blowing rear vents does not change when
switching front and/or rear climate control unit airflow
volume control dial.
8
Air from front/rear vents not cold
enough
z
Malfunction in A/C basic system
z
Magnetic clutch operates but A/C system malfunctions.
9 No cool air from front/rear vents
z
Malfunction in A/C compressor control system
z
Magnetic clutch does not operate when the A/C system is
turned ON.
10 Noise while operating A/C system
z
Problem with A/C basic system installation
z
Noise from magnetic clutch, A/C compressor, hose or
refrigerant line.
11 Dual A/C control function does not
operate
z
Malfunction in A/C unit and/or front climate control unit
dual A/C control system
z
Driver or passenger-side temperature control dial does not
operate individually.
1
Insufficient air (or no air) blown from front vents
DESCRIPTION
z
Problem with each vent and/or duct
z
Front airflow mode does not change when switching front mode switch.
z
Malfunction in front airflow mode actuator
2008 Mazda CX-9 Grand Touring
2008 HVAC Symptom Troubleshooting (HVAC) - Mazda CX-9
Microsoft
Sunday, November 15, 2009 10:14:50 AM
Page 3
© 2005 Mitchell Repair Information Company, LLC.