Vehicle Control Module (V/C-Module) Removal/Installation (MRCC)

NOTE:

The vehicle control module (V/C-module) prior to replacement stores the vehicle specification information.
The new vehicle control module (V/C-module) does not store any vehicle specification information.
When the ignition is switched ON after the vehicle control module (V/C-module) is replaced, the vehicle control module (V/C-module) reads the vehicle specification information sent via CAN transmission from the instrument cluster, and stores the vehicle specification information.
The automatic configuration function is only performed when the vehicle control module (V/C-module) is newly replaced.

Disconnect the negative battery cable. (refer to NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.0, SKYACTIV-G 2.5] .)
Remove the front scuff plate. (RH) (refer to FRONT SCUFF PLATE REMOVAL/INSTALLATION .)
Remove the front side trim. (RH) (refer to FRONT SIDE TRIM REMOVAL/INSTALLATION .)
Remove the TAU bracket. (With center display) (refer to TUNER AND AMP UNIT (TAU) REMOVAL/INSTALLATION .)
Remove the Bluetooth® unit component. (Without center display) (refer to Bluetooth® UNIT REMOVAL/INSTALLATION .)
Disconnect the vehicle control module (V/C-module) connector.

Fig 1: Identifying Vehicle Control Module (V/C-Module) And Bolts With Torque Specifications
Courtesy of MAZDA MOTORS CORP.
Remove the bolts.
Remove the vehicle control module (V/C-module).
Install in the reverse order of removal.
When newly replacing the vehicle control module (V/C-module), switch the ignition ON and perform the vehicle control module (V/C-module) automatic configuration.
Perform the radar sensor aiming adjustment. (refer to RADAR SENSOR AIMING (MRCC) .)
Clear the DTCs. (refer to CLEARING DTC [SKYACTIV-G 2.0, SKYACTIV-G 2.5] .)