1、 C 15765-4 2014 (DoCAN) 4 , ISO 15765-4:2011 Road vehicles Diagnostic communication over Controller Area Network (DoCAN) Part 4: Requirements for emissions-related systems (IDT) 15765-42014 II 1 - () , .4 2 57 3 14 2014 . 1326- 4 15765-4:2011 . (DoCAN). 4. , (ISO 15765-4:2011 Road vehicles Diagnosti
2、c communication over Controller Area Network (DoCAN) Part 4: Requirements for emissions-related systems). , 5 1.02012 ( 8). ( 1 ) , . () . , (gost.ru) , 2015 , 15765-42014 III 1 .1 2 .1 3 , , .2 4 .3 5 3 6 5 7 14 8 .14 9 .14 10 14 11 .21 12 21 () ( ).27 .28 15765-42014 IV 15765-4:2011 /T 22 , 3 (ISO
3、/TC 22, Road vehicles, Subcommittee SC 3, Electrical and electronic equipment). , , CAN 11898. , , , CAN, , . , Open Systems Interconnection (OSI) model*(/ 7498-1, / 10731), 7 , 1. , 14229-3, , 14229-1 15031-5, . , , , OBD. CAN. 1 (OBD), - 7 ( 7) 14229-1, 14229-3 15031-5 27145-3, 14229-1 ( 6) 15031-
4、2, 15031-5, 15031-6, SAE J1930-DA, SAE J1979-DA, SAE J2012-DA 27145-2, SAE 1930-DA, SAE J1979-DA, SAE J2012-DA; SAE J1939:2011, (SPN); SAE J1939-73:2010, A (FMI) ( 5) 14229-2 ( 4) ( 3) 15765-2 15765-2 15765-4, 15765-2 ( 2) 7 (/ 7498-1 / 10731) ( 1) 11898-1, 11898-2, 11898-3, 11898-5, 11898-1, 11898-
5、2 15765-4 15765-4, 11898-1, 11898-2 27145-4* . 15765-42014 1 (DoCAN) 4 , Road vehicles. Diagnostic communication over Controller Area Network (DoCAN). Part 4. Requirements for emissions-related systems 20150601 1 CAN, OBD WWH-OBD. . CAN 15765-2, 11898-1 11898-2. . , . , , OBD/WWH-OBD. (plug-and-play
6、). (). (DoCAN). , , : - OBD: 15031 ( ); - WWH-OBD: 27145 ( ). 2 : 11898-1 . (CAN). 1. (ISO 11898-1, Road vehicles - Controller area network (CAN) Part 1: Data link layer and physical signaling) 11898-2 . (CAN). 2. (ISO 11898-2, Road vehicles - Controller area network (CAN) - Part 2: High-speed mediu
7、m access unit) 15031-3 . . 3. , (ISO 15031-3, Road vehicles - Communication between vehicle and external equipment for emissions-related diagnostics - Part 3: Diagnostic connector and related electrical circuits, specification and use) 15031-5 . . 5. (ISO 15031-5, Road vehicles - Communication betwe
8、en vehicle and external equipment for emissions-related diagnostics - Part 5: Emissions-related diagnostic services) 15765-2 . . 2. (ISO 15765-2, Road vehicles - Diagnostic communication over Controller Area Networks (DoCAN) - Part 2: Transport protocol and network layer services) 15765-42014 2 2714
9、5-3 . WWH-OBD. 3. (ISO 27145-3, Road vehicles - Implementation of World-Wide Harmonized On-Board Diagnostics (WWH-OBD) communication requirements - Part 3: Common message dictionary) 27145-4 . . 4. (ISO 27145-4, Road vehicles - Implementation of World-Wide Harmonized On-Board Diagnostics (WWH-OBD) c
10、ommunication requirements - Part 4: Connection between vehicle and test equipment) 3 , , 3.1 15765-2. 3.2 CAC1, CAC2 (capacitance of a.c. termination) CCAN_H CAN_H CCAN_L CAN_L CDIFF CAN_H CAN_L f (oscillator tolerance) lCABLE OBD/WWH-OBD Prop_Seg (propagation segment) Phase_Seg1 1 (phase segment 1)
11、 Phase_Seg2 2 (phase segment 2) RAC1, RAC2 (resistance of a.c. termination) Sync_Seg (synchronization segment) tBIT (bit time) tBIT_RX (receive bit time) tBIT_TX (transmit bit time) tCABLE ( CAN ) tSEG1 1 (timing segment 1) tSEG2 2 (timing segment 2) tSJW (resynchronization jump with) tSYNCSEG (sync
12、hronization segment) tTOOL CAN ( ) tQ (time quantum) 15765-42014 3 3.3 BS (block size); CAN ( CAN); CF (consecutive frame); DLC (data length code); DoCAN ; ECU* ; ECM ; FC (flow control); FF (first frame); FS (flow status); OBD (on-board diagnostics); SA (source address); SF (single frame); SJW (syn
13、chronization jump width); SP (nominal sample point); (target address); TCM (transmission control module); WWH-OBD (world-wide harmonized on-board diagnostics). 4 , BOC, / 10731:1994. 5 1 DoCAN. * . 15765-42014 4 1 15765-42014 5 6 6.1 , (. 2). OBD WWH-OBD. CAN, 12. , : - 15031-5 0x01 0x00 ( PID), - 27145-3 0x22 0xF810 ( DID) . ECU , WWH-OBD, 0x22 DID 0xF810 . , 0x01 PID 0x00, OBD. , , OBD, . 6.3. 15765-42014 6 2 15765-42014 7 OBD/WWH-OBD
