文档介绍：欧宝汽车电路维修手册
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CAN-bus Vectra-C
CAN-bus Vectra-C
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Jeroen Smetsers
Jeroen Smetsers
Service Training Specialist
Developer
CAN-bus Vectra-C
Subjects covered
Introduction to CAN-bus
Physical properties of the CAN-busses
The CAN-bus protocol
Network topology
Functional systems
Diagnosis
Programming
1 Introduction to CAN-bus
1 Introduction to CAN-bus
0102 S1
0102 S2
0102 S3
0103 S1
0103 S2
0103 S3
CAN-munication Human munication
Bus-protocol Language with grammar
Data frame Sentences
Data fields Words
Bits 01 Letters
2 Physical properties of the
2 Physical properties of the
CAN-busses
CAN-busses
0201 S1
High-Speed Bus HSCAN
Used for Powertrain and chassis systems
Bus Protocol GMLAN
Transmission rate 500 kbits
Wire technique Dual-wire
Transmission of one frame lasts Approx 025 ms
Wake-up method Voltage supply K-line 15
Topology Linear
Bus cut-off resistors 120 Ωresistance at each end of the
chain
number of control units 16 15 tester
cable lengths 25 m cumulative length in vehicle plus
5 m to tester
0201 S2
Mid-Speed Bus MSCAN
Used for Entertainmentinfo Systems and ECC
Bus Protocol IVLAN
Transmission rate 9524 kbits
Wire technique Dual-wire
Transmission of one frame lasts Approx 125 ms
Wake-up method Voltage supply K-line 15
Topology Linear
Bus cut-off resistors 120 Ωresistance at each end of the
chain
number of control units 16 15 tester
cable lengths 25 m cumulative length in vehicle plus
5 m to tester
0201 S3
Low-Speed Bus LSCAN
Used for Body fort systems lighting
electric windows windscreen wipers
etc
Bus Protocol GMLAN
Transmission rate 333 kbits or 833 kbits for
programming
Wire technique Single-wire
Transmission of one frame lasts Approx 35 ms
Wake-up method High level voltage 12 Volts
Topology Linear
Bus cut-off resistors 909 k Ωor