CONTROL SYSTEM OUTLINE

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• A CAN system (Control Area Network) has been adopted in which multiple signals are transmitted over a single communication path as a result of wiring harness simplification.

• Twisted-pair wiring is used for connections between the following modules.

― PCM

― EPS control module

― DSC HU/CM

― TCM (AT)

― Keyless control module

― Steering angle sensor

― Instrument cluster

― Information display

― Climate control unit

― Audio unit (without car-navigation system)

― Car-navigation unit (with car-navigation system)

― Hands-free telephone unit (with HF/TEL system)

• With an on-board diagnostic function included for each multiplex module, display of DTCs using the Mazda Modular Diagnostic System (M-MDS) has improved serviceability.