Workshop Manual - HVAC

2012 - Mazda3

On-Board Diagnostics

  • HVAC SYSTEM WIRING DIAGRAM
  • FOREWORD
  • FLOWCHART
  • DTC DISPLAY
  • CLEARING DTC
  • DTC TABLE
  • DTC B1081:71, B1082:71
  • DTC B1086:71
  • DTC B1A61:11, B1A61:13
  • DTC B1A63:12, B1A63:13, B1A64:12, B1A64:13
  • DTC B1B71:11, B1B71:13
  • DTC B1C1A:11, B1C1A:13, B1C1B:11, B1C1B:13
  • DTC B1C1C:11, B1C1C:13
  • DTC P0530:12, P0530:13
  • DTC U0423:68
  • DTC U3003:16, U3003:17
  • PID/DATA MONITOR DISPLAY
  • PID/DATA MONITOR TABLE
  • ACTIVE COMMAND MODES DISPLAY
  • ACTIVE COMMAND MODES TABLE
  • A/C OPERATION CHECK MODE DISPLAY
  • A/C OPERATION CHECK MODE TABLE
  • Symptom Troubleshooting

  • HVAC SYSTEM WIRING DIAGRAM [FULL-AUTO AIR CONDITIONER]
  • FOREWORD [FULL-AUTO AIR CONDITIONER]
  • TROUBLESHOOTING INDEX [FULL-AUTO AIR CONDITIONER]
  • NO.1 INSUFFICIENT AIR (OR NO AIR) BLOWN FROM VENTS [FULL-AUTO AIR CONDITIONER]
  • NO.2 AMOUNT OF AIR BLOWN FROM VENTS DOES NOT CHANGE [FULL-AUTO AIR CONDITIONER]
  • NO.3 AIR INTAKE MODE FROM VENT DOES NOT CHANGE [FULL-AUTO AIR CONDITIONER]
  • NO.4 NO TEMPERATURE CONTROL WITH CLIMATE CONTROL UNIT [FULL-AUTO AIR CONDITIONER]
  • NO.5 WINDSHIELD FOGGED [FULL-AUTO AIR CONDITIONER]
  • NO.6 AIR FROM VENTS NOT COLD ENOUGH [FULL-AUTO AIR CONDITIONER]
  • NO.7 NO COOL AIR [FULL-AUTO AIR CONDITIONER]
  • NO.8 NOISE WHILE OPERATING A/C SYSTEM [FULL-AUTO AIR CONDITIONER]
  • NO.9 DUAL A/C CONTROL DOES NOT OPERATE [FULL-AUTO AIR CONDITIONER]
  • Symptom Troubleshooting

  • HVAC SYSTEM WIRING DIAGRAM [MANUAL AIR CONDITIONER]
  • FOREWORD [MANUAL AIR CONDITIONER]
  • TROUBLESHOOTING INDEX [MANUAL AIR CONDITIONER]
  • NO.1 INSUFFICIENT AIR (OR NO AIR) BLOWN FROM VENTS [MANUAL AIR CONDITIONER]
  • NO.2 AMOUNT OF AIR BLOWN FROM VENTS DOES NOT CHANGE [MANUAL AIR CONDITIONER]
  • NO.3 AIR INTAKE MODE DOES NOT CHANGE [MANUAL AIR CONDITIONER]
  • NO.4 NO TEMPERATURE CONTROL WITH CLIMATE CONTROL UNIT [MANUAL AIR CONDITIONER]
  • NO.5 WINDSHIELD FOGGED [MANUAL AIR CONDITIONER]
  • NO.6 AIR FROM VENTS NOT COLD ENOUGH [MANUAL AIR CONDITIONER]
  • NO.7 NO COOL AIR [MANUAL AIR CONDITIONER]
  • NO.8 NOISE WHILE OPERATING A/C SYSTEM [MANUAL AIR CONDITIONER]
  • Refrigerant System

  • REFRIGERANT SYSTEM SERVICE WARNINGS
  • REFRIGERANT SYSTEM SERVICE CAUTIONS
  • REFRIGERANT SYSTEM GENERAL PROCEDURES
  • REFRIGERANT CHARGING
  • REFRIGERANT RECOVERY
  • REFRIGERANT PRESSURE CHECK
  • REFRIGERANT SYSTEM PERFORMANCE TEST
  • Basic System

  • HVAC BASIC SYSTEM LOCATION INDEX
  • AIR FILTER REMOVAL/INSTALLATION
  • AIR FILTER INSPECTION
  • A/C UNIT REMOVAL/INSTALLATION
  • A/C UNIT DISASSEMBLY/ASSEMBLY
  • EXPANSION VALVE REMOVAL/INSTALLATION
  • EVAPORATOR INSPECTION
  • HEATER CORE INSPECTION
  • AIRFLOW MODE MAIN LINK REMOVAL/INSTALLATION
  • REAR HEAT DUCT REMOVAL/INSTALLATION
  • A/C COMPRESSOR REMOVAL/INSTALLATION
  • CONDENSER REMOVAL/INSTALLATION
  • CONDENSER INSPECTION
  • RECEIVER/DRIER REMOVAL/INSTALLATION
  • REFRIGERANT LINE REMOVAL/INSTALLATION
  • Control System

  • HVAC CONTROL SYSTEM LOCATION INDEX [FULL-AUTO AIR CONDITIONER]
  • AIR INTAKE ACTUATOR REMOVAL/INSTALLATION [FULL-AUTO AIR CONDITIONER]
  • AIR INTAKE ACTUATOR INSPECTION [FULL-AUTO AIR CONDITIONER]
  • AIR MIX ACTUATOR REMOVAL/INSTALLATION [FULL-AUTO AIR CONDITIONER]
  • AIR MIX ACTUATOR INSPECTION [FULL-AUTO AIR CONDITIONER]
  • AIRFLOW MODE ACTUATOR REMOVAL/INSTALLATION [FULL-AUTO AIR CONDITIONER]
  • AIRFLOW MODE ACTUATOR INSPECTION [FULL-AUTO AIR CONDITIONER]
  • BLOWER MOTOR REMOVAL [FULL-AUTO AIR CONDITIONER]
  • BLOWER MOTOR INSTALLATION [FULL-AUTO AIR CONDITIONER]
  • BLOWER MOTOR INSPECTION [FULL-AUTO AIR CONDITIONER]
  • POWER METAL OXIDE SEMICONDUCTOR FIELD EFFECT TRANSISTOR (POWER MOS FET) REMOVAL/INSTALLATION [FULL-AUTO AIR CONDITIONER]
  • POWER METAL OXIDE SEMICONDUCTOR FIELD EFFECT TRANSISTOR (POWER MOS FET) INSPECTION [FULL-AUTO AIR CONDITIONER]
  • MAGNETIC CLUTCH DISASSEMBLY/ASSEMBLY [FULL-AUTO AIR CONDITIONER]
  • MAGNETIC CLUTCH ADJUSTMENT [FULL-AUTO AIR CONDITIONER]
  • MAGNETIC CLUTCH INSPECTION [FULL-AUTO AIR CONDITIONER]
  • SOLAR RADIATION SENSOR REMOVAL/INSTALLATION [FULL-AUTO AIR CONDITIONER]
  • SOLAR RADIATION SENSOR INSPECTION [FULL-AUTO AIR CONDITIONER]
  • AMBIENT TEMPERATURE SENSOR REMOVAL/INSTALLATION [FULL-AUTO AIR CONDITIONER]
  • AMBIENT TEMPERATURE SENSOR INSPECTION [FULL-AUTO AIR CONDITIONER]
  • PASSENGER COMPARTMENT TEMPERATURE SENSOR REMOVAL/INSTALLATION [FULL-AUTO AIR CONDITIONER]
  • PASSENGER COMPARTMENT TEMPERATURE SENSOR INSPECTION [FULL-AUTO AIR CONDITIONER]
  • EVAPORATOR TEMPERATURE SENSOR REMOVAL/INSTALLATION [FULL-AUTO AIR CONDITIONER]
  • EVAPORATOR TEMPERATURE SENSOR INSPECTION [FULL-AUTO AIR CONDITIONER]
  • REFRIGERANT PRESSURE SENSOR REMOVAL/INSTALLATION [FULL-AUTO AIR CONDITIONER]
  • REFRIGERANT PRESSURE SENSOR INSPECTION [FULL-AUTO AIR CONDITIONER]
  • CLIMATE CONTROL UNIT REMOVAL/INSTALLATION [FULL-AUTO AIR CONDITIONER]
  • CLIMATE CONTROL UNIT INSPECTION [FULL-AUTO AIR CONDITIONER]
  • Control System

  • HVAC CONTROL SYSTEM LOCATION INDEX [MANUAL AIR CONDITIONER]
  • AIR INTAKE ACTUATOR REMOVAL/INSTALLATION [MANUAL AIR CONDITIONER]
  • AIR INTAKE ACTUATOR INSPECTION [MANUAL AIR CONDITIONER]
  • BLOWER MOTOR REMOVAL [MANUAL AIR CONDITIONER]
  • BLOWER MOTOR INSTALLATION [MANUAL AIR CONDITIONER]
  • BLOWER MOTOR INSPECTION [MANUAL AIR CONDITIONER]
  • RESISTOR REMOVAL/INSTALLATION [MANUAL AIR CONDITIONER]
  • RESISTOR INSPECTION [MANUAL AIR CONDITIONER]
  • MAGNETIC CLUTCH DISASSEMBLY/ASSEMBLY [MANUAL AIR CONDITIONER]
  • MAGNETIC CLUTCH ADJUSTMENT [MANUAL AIR CONDITIONER]
  • MAGNETIC CLUTCH INSPECTION [MANUAL AIR CONDITIONER]
  • AMBIENT TEMPERATURE SENSOR REMOVAL/INSTALLATION [MANUAL AIR CONDITIONER]
  • AMBIENT TEMPERATURE SENSOR INSPECTION [MANUAL AIR CONDITIONER]
  • EVAPORATOR TEMPERATURE SENSOR REMOVAL/INSTALLATION [MANUAL AIR CONDITIONER]
  • EVAPORATOR TEMPERATURE SENSOR INSPECTION [MANUAL AIR CONDITIONER]
  • REFRIGERANT PRESSURE SENSOR REMOVAL/INSTALLATION [MANUAL AIR CONDITIONER]
  • REFRIGERANT PRESSURE SENSOR INSPECTION [MANUAL AIR CONDITIONER]
  • CLIMATE CONTROL UNIT REMOVAL/INSTALLATION [MANUAL AIR CONDITIONER]
  • CLIMATE CONTROL UNIT DISASSEMBLY/ASSEMBLY [MANUAL AIR CONDITIONER]
  • CLIMATE CONTROL UNIT INSPECTION [MANUAL AIR CONDITIONER]
  • FAN SWITCH INSPECTION [MANUAL AIR CONDITIONER]
  • Technical Data

  • HVAC TECHNICAL DATA
  • Maintenance/Service Tools

  • HVAC SST