Mazda 2007 CX-9, Service Highlights

Page: 593 / 614

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
id094000101300
•
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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