Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Mazda >> 2021 >> CX-9 Signature >> Repair and Diagnosis >> External Pages >> Different car >> Section 60 (Control System - Auto A/C) >> Front Airflow Mode Actuator Inspection

Front Airflow Mode Actuator Inspection

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.
  1. Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
  2. Remove the following parts:
    1. Selector lever knob (See AUTOMATIC TRANSAXLE SHIFT MECHANISM REMOVAL/INSTALLATION .)
    2. Shift panel (See SHIFT PANEL REMOVAL/INSTALLATION .)
    3. Console side panel (See CONSOLE SIDE PANEL REMOVAL/INSTALLATION .)
    4. Front console (See FRONT CONSOLE REMOVAL/INSTALLATION .)
    5. Glove compartment (See GLOVE COMPARTMENT REMOVAL/INSTALLATION .)
    6. Dashboard under cover (See DASHBOARD UNDER COVER REMOVAL/INSTALLATION .)
    7. Passenger-side decoration panel (See DECORATION PANEL REMOVAL/INSTALLATION .)
    8. Front scuff plate (See FRONT SCUFF PLATE REMOVAL/INSTALLATION .)
    9. Front side trim (See FRONT SIDE TRIM REMOVAL/INSTALLATION .)
    10. Hood release lever (See HOOD RELEASE LEVER AND RELEASE CABLE REMOVAL/INSTALLATION .)
    11. Fuel-filler lid opener lever (See FUEL-FILLER LID OPENER AND LEVER REMOVAL/INSTALLATION .)
    12. Driver-side lower panel (See DRIVER-SIDE LOWER PANEL REMOVAL/INSTALLATION .)
    13. Passenger-side lower panel (See PASSENGER-SIDE LOWER PANEL REMOVAL/INSTALLATION .)
    14. Passenger-side front heat duct (See FRONT HEAT DUCT REMOVAL/INSTALLATION .)
  3. Remove the front airflow mode actuator. (See FRONT AIRFLOW MODE ACTUATOR REMOVAL .)
  4. Apply battery positive voltage and connect the ground to the front airflow mode actuator terminals as indicated in the table below and verify the operation condition.
    B+ Terminal Ground Terminal Operation
    D E VENT → DEFROSTER
    E D DEFROSTER → VENT
    Fig 1: Applying Battery Positive Voltage To Front Airflow Mode Actuator Terminals
    G11433653Courtesy of MAZDA MOTORS CORP.
  5. Verify that the resistance between terminals A and B, B and C matches the front airflow mode actuator operation as shown in the graph.
    Fig 2: Front Airflow Mode Actuator Position And Resistance Graph
    G11433654Courtesy of MAZDA MOTORS CORP.