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Pcm Removal/Installation

CAUTION:
  • There are two types of PCM settings. If the incorrect PCM is installed, it could cause interference with engine control.
  • When replacing the PCM, verify the first four digits of the part number indicated on the PCM label before replacement, and replace the PCM with one having the same part number.
    G14580048Courtesy of MAZDA MOTORS CORP.
  • When replacing the PCM, perform the configuration to assure that the system operates correctly. (Refer to [CONFIGURATION] in the service information.)
  1. When replacing the PCM, perform the configuration using the following procedure.
    1. Perform the PCM configuration using the M-MDS. (Refer to [CONFIGURATION] in the service information.)
      • When [Start Configuration.] is displayed, move to the replacement procedure for the PCM.
  2. Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
  3. Remove the PCM together with the battery tray as a single unit. (See BATTERY REMOVAL/INSTALLATION [SKYACTIV-G (WITH CYLINDER DEACTIVATION)] .)
  4. Remove in the order indicated in the table.
  5. Install in the reverse order of removal.
  6. If the PCM is replaced, perform the following procedure.
    NOTE:
    • Depending on the vehicle conditions, the configuration after PCM replacement may use the data read from the PCM before replacement or the data as of shipment from manufacturer (As-Built data).
    • The data used for the configuration is displayed on the lower part of the M-MDS display when the configuration is completed.
    1. Return to the operation of the M-MDS and configuration the PCM.
    2. Perform the immobilizer system-related part programming using the M-MDS. (See IMMOBILIZER SYSTEM-RELATED PARTS PROGRAMMING .)
    3. If the configuration is performed using the As-Built data, write the coupling component characteristic value. (AWD) (See COUPLING COMPONENT CALIBRATION DATA WRITING .)
    4. Perform the DTC inspection. (Refer to DTC INSPECTION in the service information.)
      • If a DTC is displayed, clear it. (Refer to CLEARING DTC in the service information.)
        • If the DTC is displayed again, repair the malfunctioning location according to the applicable DTC troubleshooting.
    Fig 1: PCM Components Location With Torque Specifications
    G14580049Courtesy of MAZDA MOTORS CORP.
    COMPONENT OPERATIONS

    Component No. Refer to
    1 PCM
    2 PCM bracket
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