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Home >> Mazda >> 2021 >> CX-9 Signature >> Repair and Diagnosis >> Electrical >> Horns >> Instrumentation/Driver Info >> Telematics Communication Unit Removal/Installation

Telematics Communication Unit Removal/Installation

  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. Side wall (See SIDE WALL REMOVAL/INSTALLATION .)
    6. Rear console (See REAR CONSOLE REMOVAL/INSTALLATION .)
  3. Disconnect the connectors.
    G13702806Courtesy of MAZDA MOTORS CORP.
  4. Remove the screws while supporting the telematics communication unit with your hand so that it does not fall.
    G13702807Courtesy of MAZDA MOTORS CORP.
  5. Remove the telematics communication unit in the direction of arrow shown in the figure.
    G13702808Courtesy of MAZDA MOTORS CORP.
  6. Install in the reverse order of removal.
  7. If the telematics communication unit is replaced, perform the following procedure.
    NOTE:
    • If there is no contract with Connected Service, perform Steps  1 to  5.
    1. Switch the ignition ON (engine off) to complete global central configuration (GCC) for the telematics communication unit.
    2. Clear the DTC. (See CLEARING DTC .)
    3. Cancel the connected vehicle maintenance mode. (See SERVICE CAUTIONS FOR VEHICLES WITH TELEMATICS COMMUNICATION SYSTEM .)
    4. Perform the activating remote control by smart phone. (See ACTIVATING REMOTE CONTROL BY SMART PHONE .)
    5. Perform the telematics communication unit initial setting. (See TELEMATICS COMMUNICATION UNIT INITIAL SETTING .)
    6. Switch the ignition OFF and wait for 5 min or more.
      NOTE:
      • It takes approx. 5 min to complete the communication processing for the telematics communication system.
    7. Switch the ignition ON (engine off or on) and wait for 1 min or more.
      NOTE:
      • It takes approx. 1 min to complete the communication processing for the telematics communication system.
    8. Launch the diagnostic assist function. (Refer to DIAGNOSTIC ASSIST FUNCTION [CONNECTIVITY MASTER UNIT (TYPE-B) (US)] in the service information.)
    9. Select [Service Information] on the diagnostic assist function initial screen.
    10. Select [TCU Linked Information] on the [Service Information] screen.
    11. Verify that the remote service flag in the [Remote Service Flag Information] indicates [1] as shown in the figure.
      G13677373Courtesy of MAZDA MOTORS CORP.
    12. Switch the ignition OFF.
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