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Home >> Mazda >> 2021 >> MX-5 Miata RF Club, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 21 (Control System - Auto A/C) >> Climate Control Unit Removal/Installation

Climate Control Unit Removal/Installation

WARNING: This page is about a different car, the 2016 Mazda MX-5 Miata. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
  • The climate control unit prior to replacement stores the vehicle specification information.
  • The new climate control unit does not store any vehicle specification information.
  • When the ignition is switched ON after the climate control unit is replaced, the climate control unit reads the vehicle specification information sent via CAN transmission from the instrument cluster, and stores the vehicle specification information.
  1. Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION .)
  2. Remove the following parts:
    1. Selector lever knob (AT) (See AUTOMATIC TRANSMISSION SHIFT MECHANISM REMOVAL/INSTALLATION .)
    2. Shift lever knob (MT)
    3. Shift panel component (See SHIFT PANEL REMOVAL/INSTALLATION .)
    4. Upper panel (See UPPER PANEL REMOVAL/INSTALLATION .)
    5. Parking brake lever boot panel (See PARKING BRAKE LEVER BOOT PANEL REMOVAL/INSTALLATION .)
    6. Rear console (See REAR CONSOLE REMOVAL/INSTALLATION .)
    7. Front console panel (See FRONT CONSOLE PANEL REMOVAL/INSTALLATION .)
    8. Front console component (See FRONT CONSOLE REMOVAL/INSTALLATION .)
    9. Scuff plate (See SCUFF PLATE REMOVAL/INSTALLATION .)
    10. Front side trim (See FRONT SIDE TRIM REMOVAL/INSTALLATION .)
    11. A-pillar trim (See A-PILLAR TRIM REMOVAL/INSTALLATION .)
    12. Hood release lever (See HOOD RELEASE LEVER AND RELEASE CABLE REMOVAL/INSTALLATION .)
    13. Driver-side lower panel (See DRIVER-SIDE LOWER PANEL REMOVAL/INSTALLATION .)
    14. Passenger-side lower panel (See PASSENGER-SIDE LOWER PANEL REMOVAL/INSTALLATION .)
    15. Center panel No. 1 (See CENTER PANEL No. 1 REMOVAL/INSTALLATION .)
  3. Disconnect the connector.
    Fig 1: Identifying Climate Control Unit Connector And Hose
    G10953282Courtesy of MAZDA MOTORS CORP.
  4. Disconnect the hose.
  5. Remove the screws.
    Fig 2: Removing Climate Control Unit Screws
    G10953283Courtesy of MAZDA MOTORS CORP.
  6. Remove the climate control unit.
  7. Disconnect the connector.
  8. Remove the passenger compartment temperature sensor. (See PASSENGER COMPARTMENT TEMPERATURE SENSOR REMOVAL/INSTALLATION .)
  9. While pressing the sensor grille tab, press the sensor grille in the direction of arrow (1) to detach the sensor grille tab from the climate control unit.
    Fig 3: Locating Sensor Grille Tab
    G10953284Courtesy of MAZDA MOTORS CORP.
  10. Remove the sensor grille.
  11. Install in the reverse order of removal.
  12. Perform the climate control unit auto configuration using the following procedure.
    1. Switch the ignition ON (engine off or on) and wait for 1 min or more. 
    2. Switch the ignition off and wait for 3 s or more. 
    3. Switch the ignition ON (engine off or on) and complete the climate control unit auto configuration.
  13. Perform the DTC inspection for the climate control unit using the M-MDS. (See DTC DISPLAY [CLIMATE CONTROL UNIT (FULL-AUTO AIR CONDITIONER)] .)
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