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Home >> Mazda >> 2023 >> CX-50 S Select >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Control System - Auto A/C >> Climate Control Unit Removal/Installation (Auto A/C)

Climate Control Unit Removal/Installation (Auto A/C)

CAUTION:
  • When replacing the climate control unit, perform the configuration to assure that the system operates correctly. (See CONFIGURATION .)
  1. To replace the climate control unit, perform the following procedure.
    1. Connect the M-MDS to the DLC-2.
    2. Switch the ignition ON (engine off).
    3. Activate the M-MDS and perform the following procedure.
      1. Press [Start] to start the vehicle identification.
      2. Press the [Toolbox] tab.
      3. Press the [Work Support] icon.
      4. Press [Configuration].
      5. Press [Run] to perform the configuration.
      6. Press [CCU].
      7. When [Install the new ECU] is displayed, move to the climate control unit replacement procedure.
  2. Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
  3. Remove the following parts:
    1. Select lever knob (See SELECTOR LEVER COMPONENT REMOVAL/INSTALLATION .)
    2. Console side panel (See CONSOLE SIDE PANEL REMOVAL/INSTALLATION .)
    3. Shift panel (See SHIFT PANEL REMOVAL/INSTALLATION .)
    4. Front console upper panel (See FRONT CONSOLE UPPER PANEL REMOVAL/INSTALLATION .)
    5. Front console box (See FRONT CONSOLE BOX REMOVAL/INSTALLATION .)
    6. Upper panel (without wireless charger (Qi)) (See UPPER PANEL REMOVAL/INSTALLATION .)
    7. Wireless charger (Qi) (with wireless charger (Qi)) (See WIRELESS CHARGER (Qi) REMOVAL/INSTALLATION .)
    8. Console-up (See CONSOLE-UP REMOVAL/INSTALLATION .)
    9. Rear console (See REAR CONSOLE REMOVAL/INSTALLATION .)
    10. Passenger-side decoration panel (See DECORATION PANEL REMOVAL/INSTALLATION .)
    11. Center lower panel (See CENTER LOWER PANEL REMOVAL/INSTALLATION .)
  4. Remove the screws.
    G15750149Courtesy of MAZDA MOTORS CORP.
  5. Remove the climate control unit while detaching the pins.
  6. Disconnect the connectors.
  7. Install in the reverse order of removal.
  8. If the climate control unit is replaced, perform the following procedure.
    1. Return to the M-MDS operation and press [Continue].
    2. When the M-MDS processing is completed, press [Next].
    3. When the M-MDS processing is completed, press [Next].
    4. Verify that the following conditions/operations are met/completed, mark the check boxes, and then press [Next].
      • Ignition is switched ON (engine off)
      • Install battery charger to vehicle
      • Battery voltage: 11.6 V or more
      • Connect power cable to M-MDS
      • Front doors on both sides and liftgate are open
    5. Press [Finish].
    6. Switch the ignition off.
    7. Switch the ignition ON (engine off) to complete the global central configuration (GCC) for the climate control unit.
    8. Clear the DTC recorded in the memory. (See CLEARING DTC .)
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