Mazda RX-8 Workshop Manual page 4123

DISPLAY
CAN system of information display is normal.
CAN system communication error. (DTC U2516) (See
SYSTEM].)
Check code 02
Check code 02
INSPECTION CONDITION
If there is a malfunction, the diagnostic results are
displayed once each in the order of audio unit and
climate control unit.
ACTION
FOREWORD [MULTIPLEX COMMUNICATION
Communication status to audio unit
Communication status to climate control unit
DISPLAY
Audio
unit
Climate
control
unit
ACTION
All communications are normal.
Communication to audio unit is
normal.
Communication error to audio
unit.
(DTC U0184) (See FOREWORD
[MULTIPLEX COMMUNICATION
SYSTEM].)
Vehicle without audio unit.
Communication to climate control
unit is normal.
Communication error to climate
control unit. (DTC U0164) (See
FOREWORD [MULTIPLEX
COMMUNICATION SYSTEM].)