Front Body Control Module (FBCM) Removal/Installation

WARNING: This page is about a different car, the 2017 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION:

If configuration is not performed when the front body control module (FBCM) is replaced with a new one, the vehicle specification information is not stored in the front body control module (FBCM) and the system will not operate normally.
When performing configuration, it is necessary to read the vehicle specification information from the front body control module (FBCM) before replacing it. Connect the M-MDS to the vehicle and perform vehicle identification before removing the front body control module (FBCM). The vehicle specification information is temporarily stored in the M-MDS.
Do not switch the ignition ON until all connectors are connected.

NOTE:

The front body control module (FBCM) prior to replacement stores the vehicle specification information.
A new front body control module (FBCM) does not store any vehicle specification information.
If the vehicle specification information from the front body control module (FBCM) prior to replacement cannot be read, perform the configuration using As-Built data.

When replacing the front body control module (FBCM), perform the configuration. (See FRONT BODY CONTROL MODULE (FBCM) CONFIGURATION (USING READ/WRITE FUNCTION) .)
Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.0, SKYACTIV-G 2.5] .)
Remove the fuse box cover. (See RELAY AND FUSE BLOCK REMOVAL/INSTALLATION .)
Insert a remover tool into the position shown in the figure.

Fig 1: Detaching Front Body Control Module Tabs Using Remover Tool
Courtesy of MAZDA MOTORS CORP.
Move the remover tool in the direction of arrow
1. shown in the figure and lift the front body control module (FBCM) in the direction of arrow
2. to detach its tab from the fuse box.
Insert a remover tool into the position shown in the figure.

Fig 2: Inserting Remover Tool Into Front Body Control Module
Courtesy of MAZDA MOTORS CORP.
Move the remover tool in the direction of arrow
1. shown in the figure and lift the front body control module (FBCM) in the direction of arrow
2. to detach its tab from the fuse box.
Pull the front body control module (FBCM) in the direction of the arrow shown in the figure to remove it from the fuse box.

Fig 3: Pulling Front Body Control Module (FBCM)
Courtesy of MAZDA MOTORS CORP.
Disconnect the connectors shown in the figure.

Fig 4: Locating Front Body Control Module Connectors
Courtesy of MAZDA MOTORS CORP.
Install in the reverse order of removal.
NOTE:
- If configuration cannot be performed by reading/writing of the vehicle specification information, perform the configuration using As-Built information after replacing the front body control module (FBCM). (See FRONT BODY CONTROL MODULE (FBCM) CONFIGURATION (USING AS-BUILT DATA) .)