Mazda 2002 Millenia Spezifikationen PDF herunterladen (Seite 222)

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MULITIPLE COMMUNICATION SYSTEM

SYSTEM WIRING DIAGRAM

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End Of Sie

MECHANISM OF CAN SYSTE-RELATED MODULE

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• A CAN system-related module is composed of an electrical circuit, CPU, and input/output interface.

• The size of the module has been reduced due to the elimination of the bulky, superfluous, input/output interface

in the conventional type of electrical module.

• The CPU (multiplex block) controls all signals exchanged on the CAN harness.

• Communication with non-multiplex parts is carried out by conventional input/output interface.

• The functions of each component are shown below.

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1PCM

2 ABS (ABS/TCS) HU/CM (with ABS (ABS/TCS))

3 DSC HU/CM (with DSC)

4 Data link connector

5 Instrument cluster

6 Audio unit

7 Twist pair

Component Function

Electrical circuit Supplies power to CPU and vicinity, and to input/output interface.

CPU

Computation processing block Control function has been expanded, and when transmission is necessary,

transmitted data is stored in a multiplex block. If a multiplex block receives a

request to read stored data, transmitted data is read from the multiplex block.

Multiplex block Transmits to computation processing block data received from bus line. In

addition, sends to bus line transmitted data stored from computation

processing block.

Input/Output interface Electrically converts information signals from switches practically input to

CPU, and signals output from CPU for operating actuator or indicator lights.

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Mazda 2002 Millenia Spezifikationen Seite 222