Name: SAE J1979-3_202212 - REALSTD
Price: 71.00 USD
Availability: InStock

Standard By:SAE International, 12/16/2022

Published:2022-12-16

File Size:1 file , 780 KB

Note:This product is unavailable in Ukraine, Russia, Belarus

SAE J1979-3 describes the communication between the zero emissions propulsion systems and test equipment required by government regulations. Standardization regulations require passenger cars and light-, medium-, and heavy-duty trucks to support a minimum set of diagnostic information to external (off-board) “generic” test equipment.

To achieve this, SAE J1979-3 is based on the Open Systems Interconnection (OSI) Basic Refer to Model in accordance with ISO/IEC 7498-1 and ISO/IEC 10731, which structures communication systems into seven layers. When mapped on this model, the services specified are broken into:

Application (layer 7), specified in:
1. ○
  ISO 14229-1, ISO 14229-3 UDSonCAN, or ISO 14229-5 UDSonIP
2. ○
  SAE J1979-3 ZEVonUDS
Presentation layer (layer 6), specified in:
1. ○
  SAE J1930, SAE J1930DA
2. ○
  SAE J1979DA
3. ○
  SAE J2012, SAE J2012DA
4. ○
  SAE J1939DA, SAE J1939-73
Session layer services (layer 5), specified in:
1. ○
  ISO 14229-2
Transport layer services (layer 4), specified in:
1. ○
  DoCAN: ISO 15765-2 Transport protocol and network layer services
2. ○
  ISO 15765-4 Requirements for emissions related systems
3. ○
  DoIP: ISO 13400-2 Road vehicles – Diagnostic communication over Internet Protocol (DoIP) – Part 2: Transport protocol and network layer services
Network layer services (layer 3), specified in:
1. ○
  DoCAN: ISO 15765-2 Transport protocol and network layer services
2. ○
  ISO 15765-4 Requirements for emissions related systems
3. ○
  DoIP: ISO 13400-2 Road vehicles – Diagnostic communication over Internet Protocol (DoIP) – Part 2: Transport protocol and network layer services
Data link layer (layer 2), specified in:
1. ○
  DoCAN: ISO 15765-4, ISO 11898-1, -2
2. ○
  DoIP: ISO 13400-3 Road vehicles – Diagnostic communication over Internet Protocol (DoIP) – Part 3: Wired vehicle interface based on IEEE 802.3
Physical layer (layer 1), specified in:
1. ○
  DoCAN: ISO 15765-4, ISO 11898-1, -2, in accordance with Table 1
2. ○
  DoIP: ISO 13400-3 Road vehicles – Diagnostic communication over Internet Protocol (DoIP) – Part 3: Wired vehicle interface based on IEEE 802.3
3. ○
  ISO 13400-4 Road vehicles – Diagnostic communication over Internet Protocol (DoIP) – Part 4: Ethernet-based high-speed data link connector
4. ○
  SAE J1962 Diagnostic Connector

NOTE: SAE J1979-3 provides a standard to satisfy known country-specific certification regulations. SAE J1979-3 is not considered a final authority for interpretation of the certification regulations, so users of this document should determine the applicability of capabilities defined in this document for their specific OBD regulatory requirements

SAE J1979-3_202212

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