Mazda CX-9 2007 - CONTROL SYSTEM

CONTROL SYSTEM
09-40–1
09-40
09-40 CONTROL SYSTEM
CONTROLLER AREA NETWORK
(CAN) SYSTEM OUTLINE . . . . . . . . . . 09-40–1
CAN SYSTEM STRUCTURAL VIEW . . . 09-40–2
CAN SYSTEM WIRING DIAGRAM . . . . . 09-40–3
HS-CAN . . . . . . . . . . . . . . . . . . . . . . . . 09-40–3
MS-CAN. . . . . . . . . . . . . . . . . . . . . . . . 09-40–4
CAN SYSTEM DESCRIPTION . . . . . . . . 09-40–5
Mechanism of CAN
System-Related Module. . . . . . . . . . . 09-40–5
Twisted Pair . . . . . . . . . . . . . . . . . . . . . 09-40–5
Time Division Multiplex . . . . . . . . . . . . 09-40–6
Vehicle CAN System . . . . . . . . . . . . . . 09-40–6
CAN Signal-Chart (HS-CAN) . . . . . . . . 09-40–7
CAN Signal-Chart (MS-CAN). . . . . . . . 09-40–9
On-Board Diagnostic Function . . . . . . . 09-40–9
BODY CONTROL MODULE (BCM)
OUTLINE . . . . . . . . . . . . . . . . . . . . . . . . 09-40–13
BODY CONTROL MODULE (BCM)
STRUCTURAL VIEW . . . . . . . . . . . . . . . 09-40–14
BODY CONTROL MODULE (BCM)
WIRING DIAGRAM. . . . . . . . . . . . . . . . . 09-40–15
STEERING ANGLE DETECTION
FUNCTION . . . . . . . . . . . . . . . . . . . . . . . 09-40–18
Steering Angle Sensor . . . . . . . . . . . . . 09-40–18
Sleep Control . . . . . . . . . . . . . . . . . . . . 09-40–19
ON-BOARD DIAGNOSTIC FUNCTION . . 09-40–20
Malfunction Detection Function. . . . . . . 09-40–20
PID/Data Monitor Function . . . . . . . . . . 09-40–21
End of Toc
NG: CAN SYSTEM
CONTROLLER AREA NETWORK (CAN) SYSTEM OUTLINE
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• Due to the simplification of the wiring harness, a CAN system for transmission of multiplex input/output signals
among electrical modules has been adopted.
• Twisted-pair wiring is used for connections between the following modules. (Each electrical module hereafter
referred to as a CAN system-related module):
— PCM
— TCM
— DSC/RSC HU/CM
— BCM
— AWD control module
— PLG control module
— SAS control module
— Keyless control module
— Instrument cluster
— Audio unit (base module)
— Audio amplifier
— RES unit
— Hands-free telephone unit
— Information display
— Engine off natural vacuum (Engine-off-natural-vacuum is integrated in the PCM)
• 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.
End Of Sie
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