Mazda CX-5 Service & Repair Manual: Multiplex Communication System

• A controller area network (CAN) system has been adopted in which multiplex communication is performed using a single communication path.

• A high-speed controller area network (HS-CAN) has been adopted for the communication between the following modules:

• PCM

• DSC HU/CM

• TCM (ATX vehicles)

• Front body control module (FBCM)

• AFS control module (with AFS system)

• AWD control module (AWD vehicles)

• Start stop unit

• EPS control module

• SAS control module

• Instrument cluster

• A mid-speed controller area network (MS-CAN) has been adopted for the communication between the following modules:

• Rear body control module (RBCM)

• BSM control module (LH) (with BSM system)

• BSM control module (RH) (with BSM system)

• SIRIUS satellite radio unit (with SIRIUS satellite radio system)

• Climate control unit (with full-auto air conditioner)

• Clock (with manual air conditioner)

• Audio unit (with audio unit (color LCD))

• Instrument cluster