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Rear Body Control Module (RBCM) Removal/Installation

CAUTION:
  • If configuration is not performed when the rear body control module (RBCM) is replaced with a new one, the vehicle specification information is not stored in the rear body control module (RBCM) and the system will not operate normally.
  • When performing configuration, it is necessary to read the vehicle specification information from the rear body control module (RBCM) before replacing it. Connect the M-MDS to the vehicle and perform vehicle identification before removing the rear body control module (RBCM). The vehicle specification information is temporarily stored in the M-MDS.
NOTE:
  • The rear body control module (RBCM) prior to replacement stores the vehicle specification information.
  • A new rear body control module (RBCM) does not store any vehicle specification information.
  • If the vehicle specification information from the rear body control module (RBCM) prior to replacement cannot be read, perform the configuration using As-Built data.
  • The rear body control module (RBCM) stores personalization setting information. The stored information is not cleared even if the battery power is disconnected.
  • Because the personalization setting information stored in the rear body control module (RBCM) cannot be written to a new rear body control module (RBCM), if the rear body control module (RBCM) is replaced, the personalization setting information is at the initial setting. Therefore, before replacing the rear body control module (RBCM), verify the personalization setting information and reset the replaced rear body control module (RBCM) with the information.
  1. When replacing the rear body control module (RBCM), perform the configuration. (Refer to REAR BODY CONTROL MODULE (RBCM) CONFIGURATION (USING READ/WRITE FUNCTION) .)
  2. Disconnect the negative battery cable. (Refer to NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.0, SKYACTIV-G 2.5] .)
  3. Remove the following parts:
  4. Pull back the tire house trim (LH) to a position which allows for the removal of the Trunk side upper trim (LH). (5HB only) (Refer to TIRE HOUSE TRIM REMOVAL/INSTALLATION .)
  5. Remove the trunk side upper trim (LH). (5HB only) (Refer to TRUNK SIDE UPPER TRIM REMOVAL/INSTALLATION .)
  6. Pull back the trunk side trim (LH) to a position which allows for the removal of the rear body control module (RBCM). (Refer to TRUNK SIDE TRIM REMOVAL/INSTALLATION .)
  7. While pressing the rear body control module (RBCM) tab in the direction of arrow (1) shown in the figure, pull it in the direction of arrow (2) to detach the tab from the body.
    Fig 1: Pressing RBCM Tab (4SD)
    G10963943Courtesy of MAZDA MOTORS CORP.
    Fig 2: Pressing RBCM Tab (5HB)
    G10963944Courtesy of MAZDA MOTORS CORP.
  8. Pull the rear body control module (RBCM) up in the direction of the arrow to detach the hook from the body.
    Fig 3: Pulling RBCM
    G10963945Courtesy of MAZDA MOTORS CORP.
  9. Disconnect the connectors shown in the figure.
    Fig 4: Identifying RBCM Connectors
    G10963946Courtesy of MAZDA MOTORS CORP.
  10. Remove the rear body control module (RBCM).
  11. Install in the reverse order of removal.
    NOTE:
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