HJ 500-2009_English: PDF (HJ500-2009)
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Technical specification for on-board diagnostic system of light duty vehicles
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HJ 500-2009
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| Standard ID | HJ 500-2009 (HJ500-2009) | | Description (Translated English) | Technical specification for on-board diagnostic system of light duty vehicles | | Sector / Industry | Environmental Protection Industry Standard | | Classification of Chinese Standard | Z25 | | Classification of International Standard | 13.040.50 | | Word Count Estimation | 14,170 | | Date of Issue | 2009-12-01 | | Date of Implementation | 2010-02-01 | | Quoted Standard | GB 18285-2005; GB 18352.3-2005; GB/T 15089-2001; GB/T 19755; ISO 2575; ISO 9141-2-1996; ISO 14230-4; ISO DIS 15031-3-2001; ISO DIS 15031-4 -2001; ISO DIS 15031-5-2001; ISO DIS 15031-6-2001; ISO DIS 15765-4-2001; SAEJ1850-1998 | | Drafting Organization | China Automotive Technology and Research Center | | Regulation (derived from) | Department of Environmental Protection Notice No. 64 of 2009 | | Summary | This standard specifies the OBD system in type approval and production consistency check in with a vehicle inspection, general- fault diagnostic equipment and other aspects of the management of the technical requirements. This standard applies to the ignition or compression-ignition engines to power, the maximum design speed is greater than or equal to 50km/h for light vehicles. Powered by spark ignition engines, the maximum design speed is greater than or equal to 25km/h for heavy vehicles may refer to. | HJ 500-2009
Technical specification for on-board diagnostic system of light duty vehicles
HJ
People's Republic of China National Environmental Protection Standards
Posted 2009-12-01
2010-02-01 implementation
Issued by the Ministry of Environmental Protection
People's Republic of China Ministry of Environmental Protection
announcement
2009 No. 64
To implement the "People's Republic of China Environmental Protection Law", protecting the environment, safeguarding human health, are now approved "light vehicle onboard diagnostic (OBD)
Systems Management Technical Specifications "for the national environmental protection standards and to publish.
Standard name, numbered as follows.
The standard since February 1, 2010 implementation, published by the China Environmental Science Press, standard content in website of the Ministry of Environmental Protection
Special announcement.
December 1, 2009
Table of Contents
Preface ..iv
1. Scope ..1
2 Normative references ..1
3 Terms and Definitions .1
4 OBD system technical requirements .2
5 type approval ..4
6 ..5 production consistency check
7 ..6 management with car
8 Universal fault diagnostic technical requirements ..8
Maintenance services of claim 9 9
Appendix A (normative) with light vehicle on-board diagnostic (OBD) system inspection procedures 10
Foreword
To implement the "People's Republic of China Environmental Protection Law" and "People's Republic of China Air Pollution Prevention Law," prevention of motor vehicle pollutants
Emissions environmental pollution, improve air quality, meet the needs of environmental management, the development of this standard.
The standard for "light vehicle emission limits and measurement methods (China Ⅲ, Ⅳ stage)" (GB 18352.3-2005) concerning
Board diagnostic (OBD) system, the technical requirements are supplemented by content, type approval of the OBD system, production consistency check in steam
Vehicle inspection, general-fault diagnostic and other aspects of the management of technical requirements.
The technical content of this standard uses a "light vehicle emission limits and measurement methods (China Ⅲ, Ⅳ stage)" (GB 18352.3-
) In 2005 related content.
Appendix A of this standard is a normative appendix.
This standard is the first release.
This standard is developed by the Ministry of Environmental Protection Science, Technology organization.
This standard was drafted. China Automotive Technology and Research Center, United Automotive Electronic Systems Co., Ltd.
This standard MEP December 1, 2009 for approval.
This standard since February 1, 2010 implementation.
The standard explanation by the Ministry of Environmental Protection.
iv
Light vehicle onboard diagnostic (OBD) systems management technology specification
1 Scope
This standard GB 18352.3-2005 relating to on-board diagnostic (OBD) system, the technical requirements are supplemented by content of the OBD system
In the system type approval, production consistency checking, management proposed technical requirements in automotive testing, fault diagnostic equipment and other general-purpose use.
This standard applies to spark ignition or compression ignition engine-powered, the maximum design speed is greater than or equal to 50 km/h for light vehicles. With
Ignition engines as the driving force, the maximum design speed is greater than or equal to 25 km/h for heavy-duty vehicles can be implemented by reference.
2 Normative references
This standard refers to the contents of the following documents contain provisions which, undated references, the effective version applies to this standard. all
Note dated references, subsequent amendments or revisions do not apply to this standard, however, encourage the use of the following ISO standard
The latest version.
GB 18285-2005 ignition engine exhaust emission limits and measurement methods (two-speed idle conditions and simple method)
GB 18352.3-2005 light vehicle emission limits and measurement methods (China Ⅲ, Ⅳ stage)
GB/T 15089-2001 Classification of motor vehicles and trailers
GB/T 19755 light hybrid electric vehicle emissions measurement methods
ISO 2575 Road vehicles - Symbols and signal control indicator
ISO 9141-2.1996 Road vehicles - Diagnostic systems - Part 2. CARB requirements for interchange of digital information
Requirements for emissions-related systems. ISO 14230-4 Road vehicles - Diagnostic systems - Keyword protocol 2000 - Part 4
15031-3 ISO DIS. Part 3 of the 2001 communication between road vehicles and external test equipment used for vehicle emissions-related diagnostics
Score. diagnostic connector and associated circuits. technical requirements and use
15031-4 ISO DIS. Part 4 of the 2001 communication between road vehicle and the external diagnostic test equipment emissions associated with vehicle
Score. external test device
Part 5 communication between the vehicle and the external road vehicles diagnostic test device related emissions 2001. 15031-5 ISO DIS
Score. Emissions-related diagnostic services
Part 6 of the communication between the vehicle and the external road vehicles diagnostic test device related emissions 2001. 15031-6 ISO DIS
Score. diagnostic trouble code definitions
ISO DIS 15765-4.2001 Road vehicles - on Controller Area Network (CAN) - Part 4 diagnosis. a relationship with the discharge
System requirements
SAE J1850.1998 Class B Data Communication Network Interface
3 Terms and Definitions
Related terms and definitions of the following terms and definitions established in GB 18352.3-2005 apply to this standard.
3.1 light vehicles
Refers to the maximum total mass not exceeding 3 500 kg in GB/T 15089-2001 specified in M1, M2 and N1 category and cars.
3.2 on-board diagnostic (OBD) system
Refers to the emission control board diagnostic (OBD) systems. It must be possible to identify faulty functional area, and on behalf of the fault
Mode code of the information stored in the electronic control unit memory.
3.3 malfunction indicator (MI)
Visual indicator. When connected to the OBD system components or any emission-related OBD system itself fails, it
Clearly prompted motorists.
3.4 Access
It refers to the serial interface for the standard diagnostic connection, access to all emission-related OBD data. The data includes vehicle emissions
Relevant parts inspection, diagnosis, maintenance or repair any fault codes when.
3.5 Repair Information
Automobile manufacturers to authorized dealers (or garage) to provide automobile diagnosis, maintenance, inspection, periodic monitoring or repair
All the information you need. If necessary, this information should include maintenance manuals, technical manuals, diagnosis information (for example. for measurement theory
Minimum and maximum), wiring diagrams, the software calibration applies to a vehicle identification number, and the special circumstances of the individual description of the tools
And data equipment, data record information. Those data automobile manufacturers may not provide protection of intellectual property, or as a car manufacturer
Enterprise and (or) expertise secret original parts suppliers, but should not hide the necessary technical information.
3.6 Ready
OBD system according to ISO DIS 15031-5 defined PID $ 01 (B, C, D byte) format, and part of its diagnostic support
The system should use a different state value to distinguish the diagnostic evaluation has been completed and the need for further diagnostic evaluation of the operation to complete.
3.7 freeze frame data
Means that when the OBD system confirms the failure of any component or system when the engine is frozen state data stored in the first occurrence of the fault
Electronic control unit memory. If a subsequent fuel system or misfire, any freeze frame of the original store will be like fire or oil supply system
State (take first occurs) replaced. Engine conditions of storage shall include, but not limited to. the calculated load value, engine speed, fuel trim
Value (if any), fuel pressure (if available), vehicle speed (if available), coolant temperature, intake manifold pressure (if available), closed or open loop operation
State (if any) and the risk of failure of the data codes are stored.
3.8 Universal fault diagnostic
According to the functional technical requirements specified in ISO DIS 15031-4 design scan tool, the scan tool should be able to correctly apply
Various models, can not easily be damaged, and ensure that users get the right information and effective OBD system.
3.9 deteriorated
Functionality or performance of emission-related components or systems, which could lead to reduced emissions exceed the GB 18352.3-2005
OBD limit.
3.10 Fault mileage
The vehicle OBD system malfunction indicator fault indicator solution to activate live (off) period and mileage is calculated at $ 01
Traffic patterns (Service $ 01) in PID $ 21 a standard format defined by the mileage information through a universal diagnostic should be able to read the mileage
information.
Technical requirements 4 OBD system
Light vehicle OBD system should first meet of the OBD system in GB 18352.3-2005 requirements, and should satisfy the following
Claim.
4.1 malfunction indicator (MI)
In all reasonable lighting conditions, fault indicator is activated when visible fault indicator symbol should be a line with ISO 2575
The symbol, which prohibit the use of red. For the discharge unrelated to engine failure, in conformity with the relevant standards, can
Fault indicator is represented by the other symbols.
4.2 OBD system information recording and reading
OBD system to record and read information should be in accordance with the requirements of GB 18352.3-2005 in the implementation of Article IA.6.5, while manufacturers also
Shall meet the following requirements.
4.2.1 Fault codes
Already acknowledged fault and for further operation of cars in order to confirm the failure to distinguish between the description, that information is read
It should be divided acknowledged fault code (Confirmed DTCS) and pending fault code (Pending DTCS), in order to distinguish the emission control system
EC to monitor fault condition.
Format 4.2.1.1 pending fault code should be (Service $ 07) is defined in accordance with the provisions in ISO DIS 15031-5 $ 07 service mode.
4.2.1.2 format has confirmed that the fault code should be (03 Service $) is defined in accordance with the provisions of ISO DIS 15031-5 $ 03 in service mode.
4.2.2 component or system diagnostic information recording completion
4.2.2.1 OBD system shall be in accordance with ISO DIS 15031-5 $ 01 in service mode (Service $ 01) in PID $ 01 under B and C bytes
Definition output to component or system diagnostic support information. Support information should reflect the OBD diagnostic system for a vehicle component or system
Supported by the actual situation.
4.2.2.2 OBD system shall be in accordance with ISO DIS 15031-5 $ 01 in service mode (Service $ 01) in PID $ 01 at B and D bytes
Definition, use a different value ready to diagnose correctly distinguish the status of each component or system.
4.2.2.3 Before being ready state last value coverage, value should remain ready, even after repeated ignition on and off.
Clear or reset all diagnostic information will result in a ready state value is reset to the initial state (ie unfinished state).
4.2.2.4 In addition to the situation in GB 18352.3-2005 Annex IA Section IA.2.3 of the outside, in the absence of a fault condition, the vehicle is run once Ⅰ
After the type test cycle, the value of the state should be fully ready to complete.
Distance traveled by the car 4.2.3 standard vehicle access interface should be able to obtain fault indicator (MI) activated at any time, that it
Barrier miles.
4.2.4 The manufacturer shall ensure the correctness of his vehicle OBD system output information.
4.3 external diagnostic equipment and communication protocol requirements
OBD communication system design agreements must comply with the requirements in GB 18352.3-2005 Appendix Ⅰ on communication protocols, to ensure
Proof for failure to meet the universal diagnostic ISO DIS 15031-4 requirements.
4.4 Communication interface requirements and external diagnostic equipment
Car communication interface with external devices (diagnostic) should be standardized between, should meet all the requirements of ISO DIS 15031-3.
Standard communication interface 4.4.1 should be located on the vehicle from the driver's side of the centerline of the vehicle to the right does not exceed 300 mm for the dashboard area boundary
Inside, the preferred location is in the region of the steering column and instrument panel between the centerline of the vehicle to be easily operated driver's position is appropriate.
4.4.2 should not need to use tools to remove the dashboard on the standard communication interface cover, connector cover or any barrier, communication interfaces shall
Fixation, the operator using a single hand, non-visual operation can be completed with an external diagnostic device connected to the connector.
4.4.3 Interface should under normal conditions of use of measures to prevent accidental damage and meet ISO DIS 15031-3 cause the vehicle to prevent
Damage to the requirements.
4.4.4 car manufacturer shall indicate the vehicle OBD system with an external device in the vehicle owner's manual to interface a position to communicate.
4.4.5 installed in the cover OBD system communication interface, auto manufacturers should be made here in the cover outside the OBD system communication interface
Logo, for example, in the outer cover, marked the words "OBD". The logo should be clearly visible, it can not be erased.
4.5 OBD system to obtain information
4.5.1 replacement parts, diagnostic tools and test equipment manufacturing enterprises in accordance with GB 18352.3-2005 Appendix Ⅰ Ⅰ.5 of the first to
Get OBD system requirements put forward relevant information to the type approval requirements of institutions.
4.5.2 Repair Information
4.5.2.1 auto manufacturers should be under conditions of reasonable charges, in the repair information (including subsequent modifications and supplements) available to authorized distribution
Within three months after the dealer or repair shop, the information is provided to meet the repair section 4.5.2.2 requires businesses.
4.5.2.2 Any in the maintenance, roadside assistance, vehicle inspection and modification parts and spare parts, diagnostic tools and test equipment manufactured or sold
Sale personnel possess qualifications to obtain such information.
4.5.2.3 in vehicles in type approval and inspection process, if found not to comply with these provisions, the type approval body shall take appropriate
When measures to ensure the maintenance information.
4.6 Department of Family naming requirements
To facilitate vehicle with OBD systems management, car manufacturers should be models of OBD systems in accordance with 5.5 pairs of cars OBD
Department named the definition of family. That is part of the same car OBD system family models, the OBD system of the OBD system should have the same family name. Structure name
A customizable, letters, numbers and symbols.
5 type approval
5.1 mono fuel vehicle tests carried out according to GB 18352.3-2005 Annex IA in IA.6.3 requirements; dual-fuel vehicles should be fueled with gasoline
Oil and gas fuel state are executed in accordance with the requirements IA.6.3.
5.2 hybrid vehicle test carried out according to GB 18352.3-2005 Annex IA in IA.6.3 requirements.
5.2.1 For externally charging (OVC) vehicle, measuring the emission of pollutants should be used with type Ⅰ test GB/T 19755 stipulated
(Article 5.3.1.1.3 and 5.3.1.2.3 article) state B under the same conditions as specified.
5.2.2 For non-external charging (NOVC) vehicle emissions of pollutants shall be measured with the GB/T 19755 Type Ⅰ tests prescribed in
Carried out under the same conditions.
5.3 Each pilot project to verify the end, when reading the relevant information of the vehicle in accordance with Article IA.6.5 GB 18352.3-2005 in Annex IA,
It should also be ready to read the value of the vehicle, and determines whether the item corresponding to verify readiness values are correct.
5.4 submit the request for information related to the OBD system
5.4.1 OBD system monitors all components and fault code listing, in the format shown in Table 1.
Table 1 OBD system monitoring component and the failure code list
Component/system fault code information Fault code Monitoring strategy
Failure determination
rule
Fault indicator
MI activation rules
Auxiliary Monitoring
Pretreatment mode parameters
Verification test
mode
5.4.2 The following detailed written works to oversee the project description (including auxiliary monitoring parameters regardless of the value, OBD systems monitored
Start diagnostic components, namely OBD diagnostic criteria).
5.4.2.1 spark ignition engines
- Catalyst monitoring (including specific oversight specified which of several catalytic converters and their position, if necessary, drawing instructions);
- Fire detection (including supervision draw fire area);
- Monitoring the oxygen sensor (including specific oversight specified which of several oxygen sensors and position);
Other parts --OBD monitoring system (exhaust gas recirculation system (EGR), secondary air injection, evaporation desorption control devices
All monitored components).
5.4.2.2 compression ignition engine
- Catalyst monitoring (if applicable);
- Particle trap monitoring (if applicable);
- Monitoring electronic fuel supply system;
- Exhaust gas recirculation (EGR) system monitoring;
Other parts --OBD system monitoring.
5.4.3 car manufacturer declaration
- Mounted ignition engines for vehicles, fire rate, and would result in emissions exceeding the value Ⅰ type test OBD limit.
- Mounted ignition engines for vehicles, catalytic converters will cause irreparable damage before overheating misfire rate (or draw
List).
5.4.4 Fault Indicator (MI) written instructions and (or) schematic; fault indicator to determine the rules of activation (fixed operation cycle
Number or statistical method).
5.4.5 Communication interface supports communication protocols.
5.4.6 Communication interface location on the vehicle.
5.4.7 Description of measures to prevent damage and to change the emission control ECU.
5.4.8 OBD functional verification test model electronic analog device name, business and manufacturing structure diagram; special deteriorated catalytic converter
Aging methods of sample briefly.
5.5 OBD type-approval extension
The same car following combination of parameters is considered to belong to the same engine - emission control - board diagnostic (OBD) system combination, the
Belong to the same engine - emission control - board diagnostic (OBD) system is defined as a combination of model cars OBD system family. Equipped for
Some OBD systems have been approved by the type of vehicle, it can be extended to the same car OBD system to other models in the family, when a vehicle is eligible
After the extension was, this extension model can no longer be extended to other models.
5.5.1 Engine
- Ignition (spark-ignition, compression-ignition, two-stroke, four-stroke, the rotor);
- Oil supply (ignition engine carburetor means, electronically controlled intake port fuel injection, in-cylinder direct fuel injection and other compression-ignition engine launched
Machine refers to the single pump, pump nozzle, common rail, etc.);
- Fuel type [petrol, diesel, NG, LPG, bi-fuel (petrol/NG), dual fuel (petrol/LPG), etc.].
5.5.2 pollution control devices
- Type of catalytic converter (oxidized, three-way type catalytic heating, other);
- Type of particulate trap;
- Secondary air injection (with or without);
- Exhaust gas recirculation (with or without).
Monitoring Project 5.5.3 on-board diagnostic (OBD) system and fault monitoring method
5.5.3.1 for spark ignition engines, fault monitoring methods with the following items to a vehicle type approval has been the same.
a) the deterioration of the catalytic converter;
b) fire;
c) oxygen sensor deterioration;
d) fuel injection system (fuel correction circuit communication and monitoring);
e) emissions-related, communication circuit condition monitoring sensors and electronic control unit connected to the controller and components (such as secondary air,
EGR, fuel evaporative control system, etc.).
5.5.3.2 for compression-ignition engines, fault monitoring method at least the following items to be associated with a type approval has been obtained for the same model.
a) the deterioration of the catalytic converter (if applicable);
b) particulate trap (if applicable);
c) fuel injection system (circuit connectivity and overall function failure);
d) exhaust gas recirculation system;
e) emissions-related, communication circuit condition monitoring sensors and electronic control unit connected to the controller and components (such as air flow,
Intake manifold pressure, etc.).
5.5.4 same fault indicator (MI) activation principle.
5.5.5 electronic control unit (ECU) the same manufacturer.
5.5.6 vehicle manufacturers should be the same (except in special vehicles modified cars).
6 Conformity of Production
6.1 automobile manufacturers for the production to ensure consistency
Automobile manufacturers should follow GB 18352.3-2005 Appendix M to ensure conformity of production requirements for the implementation of production management consistency, ensure batch
Emission emission characteristics consistent with the vehicle type approval when the amount of the production car.
6.1.1 validation checking line terminal
Automobile manufacturers should line terminals of each vehicle OBD system check to make sure e......
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