車載網路 sae j1939 之應用技術開發¼Œ而j1939...

2013 12 13 The 18th National Conference on Vehicle Engineering, Dec. 13, 2013, NPUST., Pingtung, Taiwan. E4 073 ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

SAE J1939

(ARTC)

E-mail:bingo@artc.org.tw : 102-EC-17-A-04-02-0889

(Controller Area Network BUS, CAN BUS) CAN (Society of Automotive Engineers, SAE) J1939

SAE J1939 1. J1939

CAN BUS SAE J1939 SAE J1939 CAN ( 1)

1 SAE J1939

SAE J1939 OSI (

2) CAN J1939-21J1939-71 J1939 J1939-73

EEPROM

2 SAE J1939 OSI

J1939-81

(Engin Control Manager, ECM) 2.

J1939 CAN BUS CAN 2.0B / CAN 2.0B CAN 3 4 ID (P)(PGN)(SA) PGN -(PDU-F)-(PDU-S)

3 SAE J1939 CAN2.0B

4 SAE J1939 CAN2.0B EID

2013 12 13 The 18th National Conference on Vehicle Engineering, Dec. 13, 2013, NPUST., Pingtung, Taiwan. E4 073 ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

2.1 J1939-21 J1939 J1939

CAN BUS / J1939

/ 5 T1~T4 Tr

5

(Request to Send, RTS)(Clear to Send, CTS)(End of Message Acknowledgment, EndOfMsgACK)(Connection Abort,) 6

6

2.2 J1939-81

(Controller Application, CA) CA

CAN BUS J1939-81 Address Claim(AC) ECM EPS EPS AC ECM EPS

7

2.3 J1939-71

CAN BUS / J1939 (Protocol Data Unit, PDU)(Parameter Group Number, PGN) Suspect Parameter Number (SPN) 8

8 PDU

2.4 J1939-73

J1939 (Diagnostic Message, DM) J1939

(Diagnostic Trouble Code, DTC)

Flash 8 DTC (SPN)

2013 12 13 The 18th National Conference on Vehicle Engineering, Dec. 13, 2013, NPUST., Pingtung, Taiwan. E4 073 ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

(OC)(FMI)

9 DTC

2.4.1 DM1: Active Diagnostic Codes

DM1 CAN BUS CAN BUS frame J1939-21 DM1 DTC 10 DM1

DM1

DM1

?

N

10 DM1

2.4.2 DM2:Previous Diagnostic Codes

DM2 flash EEPROM DM2

11 DM2 EEPROM DM2 DM2

11 DM2

2.4.3 DM3:Clear of Previous Diagnostic Codes

DM3 DM4 12 DM3 DM3 ECU NACK

12 DM3

2.4.4 DM4:Freeze Frame Parameters

DM4

13 DM4 DM4 NACK

13 DM4

2.4.5 DM11:Reset for Active DTCs

DM11 DM4 14 DM11

NACK

2013 12 13 The 18th National Conference on Vehicle Engineering, Dec. 13, 2013, NPUST., Pingtung, Taiwan. E4 073 ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

14 DM11

2.5 Boot loader

J1939-73 (DM) Soft Reset Boot loader

J1939-73 DM Flash /

15 Boot loader

Boot loader

CAN EEPROM

flash

16 Boot loader

boot loader

RAM

EEPROM EEPROM

17 Flash 2 Boot loader

EEPROM

17

2.5.1 DM13:Stop Start Broadcast

boot loader CAN BUS

DM 5 HOLD DM 18

18 DM13

2.5.2 DM14:Memory Access Request

boot loader CAN BUS DM14 flash

2.5.3 DM18:Data Security

DM Seed Key

DM DM14

2013 12 13 The 18th National Conference on Vehicle Engineering, Dec. 13, 2013, NPUST., Pingtung, Taiwan. E4 073 ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

DM14Program Mode

DM15OK

seed/keyDM14flash

DM18seed/key

DM15key OKflash

DM14flash

DM15

19 DM14DM15DM18

3. 3.1

KVASER CanKing J1939 CAN BUS PGN8-Bytes CAN BUS

DM EPS EPS

20 CanKing

3.2

Vector

SAE J1939

CAN BUS J1939 21 SAE J1939

21 Vector CANoe

22 Vector Test Case

4.

CAN BUS

SAE J1939

ARTC SAE J1939

5.

(102-EC-17-A-03-01-0809)

6. [1] and , SAE J1939, presentation,

2008. [2] Wilfred Voss, SAE J1939, presentation, 2011 [3] Simma Software, Understanding SAE

J1939,presentaion, 2006. [4] SAE J1939 Standard,2006. [5] http://vector.com/, Vector Informatik.