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Basic System (HVAC): Overview Mazda 5 I

Automatic HVAC System 4 illustrations ~538 words

Scheme 1

Scheme 1: HVAC BASIC SYSTEM LOCATION INDEX
Scheme 1: HVAC BASIC SYSTEM LOCATION INDEX

Scheme 2

Scheme 2: A/C UNIT REMOVAL/INSTALLATION
Scheme 2: A/C UNIT REMOVAL/INSTALLATION

Scheme 3

Scheme 3
Scheme 3

Scheme 4

Scheme 4
Scheme 4
  1. Remove the battery cover. (See «BATTERY REMOVAL/INSTALLATION [L3]» ).
  2. Disconnect the negative battery cable.
  3. Discharge the refrigerant. (See «REFRIGERANT CHARGING»(/mazda/5/i-2005-2007/remont/automatic-hvac-system/#refrigerant-system-hvac__refrigerant-charging) ).
  4. Drain the engine coolant. (See «ENGINE COOLANT REPLACEMENT [L3]» ).
  5. Disconnect from the A/C unit in the order indicated in the table. CAUTION: If moisture or foreign material enters the refrigeration cycle, cooling ability will be lowered and abnormal noise or other malfunction could occur. Always plug open fittings immediately after removing any refrigeration cycle parts.
  6. Remove the following parts: Front door (See «FRONT DOOR REMOVAL/INSTALLATION» ). Front scuff plate (See «FRONT SCUFF PLATE REMOVAL/INSTALLATION» ). Front side trim (See «FRONT SIDE TRIM REMOVAL/INSTALLATION» ). Side wall (See «SIDE WALL REMOVAL/INSTALLATION» ). Side panel (See «SIDE PANEL REMOVAL/INSTALLATION» ). Shift lever component (MTX) (See «MANUAL TRANSAXLE SHIFT MECHANISM REMOVAL/INSTALLATION»(/mazda/5/i-2005-2007/remont/manual-trans/#manual-transaxle-shift-mechanism) ). Selector lever component (ATX) (See «SELECTOR LEVER COMPONENT REMOVAL/INSTALLATION»(/mazda/5/i-2005-2007/remont/automatic-trans/#automatic-transaxle-shift-mechanism) ). Front console (See «FRONT CONSOLE REMOVAL/INSTALLATION» ). Glove compartment (See «GLOVE COMPARTMENT REMOVAL/INSTALLATION» ). Under cover Lower panel (See «LOWER PANEL REMOVAL/INSTALLATION» ). Driver-side air bag module (See «DRIVER-SIDE AIR BAG MODULE REMOVAL/INSTALLATION» ). Column cover (See «COLUMN COVER REMOVAL/INSTALLATION» ). Steering wheel (See «STEERING WHEEL AND COLUMN REMOVAL/INSTALLATION» ). Instrument cluster (See «INSTRUMENT CLUSTER REMOVAL/INSTALLATION» ). A-pillar trim (See «A-PILLAR TRIM REMOVAL/INSTALLATION» ). Energy-absorber shaft (See «STEERING WHEEL AND COLUMN REMOVAL/INSTALLATION» ). Center panel unit (See «CENTER PANEL UNIT REMOVAL/INSTALLATION» ). Air mix wire (Manual air conditioner) Airflow mode wire (Manual air conditioner) Climate control unit (See «CLIMATE CONTROL UNIT REMOVAL/INSTALLATION [FULL-AUTO AIR CONDITIONER]» ). (See «CLIMATE CONTROL UNIT REMOVAL [MANUAL AIR CONDITIONER]» ). Windshield wiper arm (See «WINDSHIELD WIPER ARM AND BLADE REMOVAL/INSTALLATION» ). Cowl grille (See «COWL GRILLE REMOVAL/INSTALLATION»(/mazda/5/i-2005-2007/remont/exteriorinterior-trim/#exterior-trim) ). Cowl panel (See «COWL PANEL REMOVAL/INSTALLATION» ).
  7. Remove the A/C unit installation nut from the engine compartment, then remove the A/C unit. (See «A/C UNIT INSTALLATION NUT REMOVAL NOTE» ).
  8. Remove the rear heat duct (1). (See «REAR HEAT DUCT REMOVAL/INSTALLATION» ).
  9. Disconnect the drain hose connected to the A/C unit.
  10. Remove the dashboard with A/C unit. (See «DASHBOARD REMOVAL/INSTALLATION» ). CAUTION: If moisture or foreign material enters the refrigeration cycle, cooling ability will be lowered and abnormal noise or other malfunction could occur. Always plug open fittings immediately after removing any refrigeration cycle parts.
  11. Disconnect the following connectors: Blower motor connector Power MOSFET connector (Full-auto air conditioner) Evaporator temperature sensor connector Air intake actuator connector Air mix actuator connector (Full-auto air conditioner) Airflow mode actuator connector (Full-auto air conditioner) Resistor connector. (Manual air conditioner)
  12. Remove the heater case. Remove the screws. Pull up tab A in the direction shown by the arrow in the figure and remove it from the A/C unit. Pull up tabs B in the direction shown by the arrow in the figure and remove it from the A/C unit.
  13. Remove front heat duct.
  14. Remove the nuts and bolts for installing the A/C unit to the dashboard.
  15. Remove the A/C unit.
  16. Install in the reverse order of removal.
  17. Perform the refrigerant system performance test. (See «REFRIGERANT SYSTEM PERFORMANCE TEST»(/mazda/5/i-2005-2007/remont/automatic-hvac-system/#refrigerant-system-hvac) ).

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