Basic System (HVAC): Overview — Mazda 3 BL facelift (2011-2013)

Basic System (HVAC): Overview Mazda 3 BL facelift

Scheme 64: Identifying HVAC Basic System Components Location - SKYACTIV-G 2.0

Scheme 65: Identifying HVAC Basic System Components Location - MZR 2.0 And MZR 2.5

Scheme 66: Identifying HVAC Basic System Components Location - MZR 2.3 DISI Turbo

Scheme 67: AIR FILTER REMOVAL/INSTALLATION

Disconnect the negative battery cable. (See «BATTERY REMOVAL/INSTALLATION [MZR 2.0, MZR 2.5]»(ref-520388-S24063200782013010300000).) (See «BATTERY REMOVAL/INSTALLATION [MZR 2.3 DISI TURBO]»(ref-520412-S07601908282013010300000).) (See «BATTERY REMOVAL/INSTALLATION [SKYACTIV-G 2.0]»(ref-520427-S28538867222013010300000).)
Remove the side wall. (See «SIDE WALL REMOVAL/INSTALLATION»(ref-520454-S11769586082013010300000).)
Disconnect the evaporator temperature sensor connector.
Disconnect the power MOS FET connector. (Full-auto air conditioner)
Disconnect the resistor connector. (Manual air conditioner)
Remove in the order indicated in the table. (Scheme 67): Identifying Air Filter Removal Sequence
Install in the reverse order of removal.

Scheme 68: Air Filter Installation Note

Insert the air filter projection between the ribs of the A/C unit and assemble the air filter (1) in the order shown in the figure. (Scheme 68): Inserting Air Filter Projection Between Ribs Of A/C Unit And Assemble Air Filter
Assemble the air filter (2) in the order shown in the figure. (Scheme 69): Identifying Air Filter Assemble Sequence

Basic System (HVAC): Overview Mazda 3 BL facelift