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Structural View

WARNING: This page is about a different car, the 2017 Mazda CX-9. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: HVAC Basic System Components
G11433531Courtesy of MAZDA MOTORS CORP.
COMPONENT DESCRIPTION

1 Driver-side front heat duct
(See FRONT HEAT DUCT REMOVAL/INSTALLATION .)
2 Front A/C unit
(See FRONT A/C UNIT REMOVAL/INSTALLATION .)
(See FRONT A/C UNIT DISASSEMBLY/ASSEMBLY .)
3 Airflow mode main link
(See AIRFLOW MODE MAIN LINK REMOVAL )
(See AIRFLOW MODE MAIN LINK INSTALLATION .)
4 Passenger-side front heat duct
(See FRONT HEAT DUCT REMOVAL/INSTALLATION .)
5 Blower unit
(See BLOWER UNIT REMOVAL/INSTALLATION .)
(See BLOWER UNIT DISASSEMBLY/ASSEMBLY .)
6 Air filter
(See AIR FILTER REMOVAL/INSTALLATION .)
(See AIR FILTER INSPECTION .)
7 Front blower motor
(See FRONT BLOWER MOTOR REMOVAL/INSTALLATION .)
(See FRONT BLOWER MOTOR INSPECTION .)
8 Passenger-side rear heat duct No. 1
(See REAR HEAT DUCT No. 1 REMOVAL/INSTALLATION .)
9 Rear blower motor
(See REAR BLOWER MOTOR REMOVAL/INSTALLATION .)
(See REAR BLOWER MOTOR INSPECTION .)
10 Power MOSFET
(See POWER METAL OXIDE SEMICONDUCTOR FIELD EFFECT TRANSISTOR (POWER MOSFET) REMOVAL/INSTALLATION .))
(See POWER METAL OXIDE SEMICONDUCTOR FIELD EFFECT TRANSISTOR (POWER MOSFET) INSPECTION .))
11 Rear heat duct No. 2
(See REAR HEAT DUCT No. 2 REMOVAL/INSTALLATION .)
12 Rear cooler duct
(See REAR COOLER DUCT REMOVAL/INSTALLATION .)
13 Rear A/C unit
(See REAR A/C UNIT REMOVAL/INSTALLATION .)
(See REAR A/C UNIT DISASSEMBLY/ASSEMBLY .)
14 Driver-side rear heat duct No. 1
(See REAR HEAT DUCT No. 1 REMOVAL/INSTALLATION .)