Mazda 2: HVAC System
Mazda 2 2007-2014 Service Manual / HVAC / HVAC System
HVAC SYSTEM WIRING DIAGRAM
FOREWORD
- The areas for inspection (steps) are given according to various circuit malfunctions. Use the following chart to verify the symptoms of the trouble in order to diagnose the appropriate area.
TROUBLESHOOTING INDEX
NO.1 INSUFFICIENT AIR (OR NO AIR) BLOWN FROM VENTS [MANUAL AIR CONDITIONER]
Diagnostic procedure
NO.2 AMOUNT OF AIR BLOWN FROM VENTS DOES NOT CHANGE
Diagnostic procedure
NO.3 AIR INTAKE MODE DOES NOT CHANGE
Diagnostic procedure
NO.4 NO TEMPERATURE CONTROL WITH CLIMATE CONTROL UNIT
Diagnostic procedure
NO.5 WINDSHIELD FOGGED
Diagnostic procedure
NO.6 AIR FROM VENTS NOT COLD ENOUGH
Diagnostic procedure
NO.7 NO COOL AIR
Diagnostic procedure
NO.8 NOISE WHILE OPERATING A/C SYSTEM
Diagnostic procedure
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Refrigerant System Service
REFRIGERANT SYSTEM SERVICE WARNINGS
Handling Refrigerant
Avoid breathing air conditioning refrigerant or lubricant vapor.
Exposure may
irritate eyes, nose and throat. Also, due to environmental c
Refrigerant Charging
CAUTION:
Do not exceed the specification when charging the system with
refrigerant. Doing so
will decrease the efficiency of the air conditioner or damage the
refrigeration cycle
parts.
Charg
HVAC Basic System
HVAC BASIC SYSTEM LOCATION INDEX
Refrigerant lines
(See REFRIGERANT LINE REMOVAL/INSTALLATION.)
Air intake duct
(See AIR INTAKE DUCT REMOVAL/INSTALLATION.)
(See AIR INTAKE DUCT DISASSEMB
SEE MORE:
Emission System
EMISSION SYSTEM LOCATION INDEX
Engine Compartment Side
EGR valve
(See EGR VALVE REMOVAL/INSTALLATION)
(See EGR VALVE INSPECTION)
Ventilation hose
Purge solenoid valve
(See PURGE SOLENOID VALVE REMOVAL/INSTALLATION)
(See PURGE SOLENOID VALVE INSPECTION)
Positive crankcase ventil
Climate Control Unit
CLIMATE CONTROL UNIT REMOVAL/INSTALLATION
1. Disconnect the negative battery cable.
2. Remove the following parts:
Glove compartment (See GLOVE COMPARTMENT REMOVAL/INSTALLATION).
Dashboard under cover (See DASHBOARD UNDER COVER REMOVAL/INSTALLATION).
Heat duct (RH) (See HEAT DUCT COMPONENT REMO
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