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GB 18352.5-2013 English PDF (GB18352.5-2013)

GB 18352.5-2013 English PDF (GB18352.5-2013)

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GB 18352.5-2013: Limits and measurement methods for emissions from light-duty vehicles (CHINA 5) (Replaced by GB 18352.6-2016, Valid through July 2025)

This Standard specifies the limits and measurement methods for exhaust emissions at normal and low ambient temperature, exhaust emissions at two-speed idle condition, crankcase emissions, and evaporative emissions, and technical requirements and measurement methods for the durability of pollution control devices and onboard diagnostic (OBD) systems of light-duty vehicles equipped with positive-ignition engines.
GB 18352.5-2013
NATIONAL STANDARD OF THE
PEOPLE REPUBLIC OF CHINA
ICS 13.040.50
Z 64
Replacing GB18352.3-2005
Limits and measurement methods for
emissions from light-duty vehicles
(CHINA 5)
ISSUED ON: SEPTEMBER 17, 2013
IMPLEMENTED ON: JANUARY 01, 2018
Issued by: Ministry of Environmental Protection of the PRC;
General Administration of Quality Supervision, Inspection
and Quarantine of the PRC.
Table of Contents
Foreword ... 3
1 Scope of application ... 7
2 Normative references ... 8
3 Terms and definitions ... 9
4 Type-approval application and approval ... 15
5 Specifications and tests ... 16
6 Extensions to type approvals ... 27
7 Conformity of production ... 31
8 In-service conformity ... 36
9 Implementation of the standard ... 37
Annex A (Normative) Information on application for type approval ... 39 Annex B (Informative) Format of type-approval certificate (Maximum size: A4 (210 ?? 297 mm)) ... 58
Annex C (Normative) Test of exhaust emissions after a cold start at normal temperature (Type I test) ... 65
Annex D (Normative) Two-speed idle test or free acceleration smoke test (Type II test) ... 143
Annex E (Normative) Test of crankcase emissions (Type III test) ... 147 Annex F (Normative) Test of evaporative emissions (Type IV test) ... 150 Annex G (Normative) Durability test of pollution control devices (Type V test) ... 172
Annex H (Normative) Emission test of CO and THC in the exhaust after a cold start at low temperature (Type VI test) ... 187
Annex I (Normative) Onboard diagnostic (OBD) system ... 194
Annex J (Normative) Specifications of reference fuels ... 220
Annex K (Normative) Special requirements for a vehicle fuelled by LPG or NG ... 226
Annex L (Normative) Type-approval of replacement pollution control device as separate technical unit ... 229
Annex M (Normative) Requirements for ensuring conformity of production . 243 Annex N (Normative) In-service conformity ... 250
Annex O (Normative) Technical requirements for vehicles that use a reagent for the exhaust after-treatment system ... 269
Annex P (Normative) Emissions test procedure for a vehicle equipped with a periodically regenerating system ... 274
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Foreword
For the purpose of implementing the Environmental Protection Law of the People's Republic of China and the Law of the People's Republic of China on the Prevention and Control of Atmospheric Pollution, this Standard is
established to prevent and control the environmental pollution by exhaust pollutants from motor vehicles and to improve ambient air quality.
This Standard specifies the requirements for type approval of the emissions from light-duty vehicles in the Stage V, check and verification methods of conformity of production and in-service conformity.
This Standard is modified in relation to the technical content contained in the REGULATION (EC) No 715/2007 OF THE EUROPEAN PARLIAMENT AND
OF THE COUNCIL on type approval of motor vehicles with respect to
emissions from light passenger and commercial vehicles (Euro 5 and Euro 6) and on access to vehicle repair and maintenance information, COMMISSION REGULATION (EC) No 692/2008 implementing and amending Regulation (EC)
No 715/2007 of the European Parliament and of the Council on type-approval of motor vehicles with respect to emissions from light passenger and
commercial vehicles (Euro 5 and Euro 6) and on access to vehicle repair and maintenance information, and ECE R83-06 (2011) Uniform provisions
concerning the approval of vehicles with regard to the emission of pollutants according to engine fuel requirements as well as their amendments.
The following significant changes have been made in this Standard to the above EU directives:
- The definition and category of light-duty vehicles follow the requirements in GB 18352.3-2005;
- REVISE the previous Type II test and smoke test.
- ADD the test requirements for effective volume and initial working capacity of canister;
- ADD the test requirements for substrate volume and precious metal
content of catalytic converter;
- REVISE and adopt the related requirements for access to the OBD system and vehicle maintenance/repair information;
- REVISE the method of verifying the conformity of production; ADD the
requirements for checking conformity of production of carbon canister and catalytic converter;
- ADD the requirements for checking evaporative emissions with regard to in-service conformity;
- Exclude the test requirements for flexible fuel vehicles and biodiesel vehicles, etc.;
- The technical requirements for test fuels.
This Standard specifies the requirements for type-approval of the emissions from light-duty vehicles in the Stage V, check and verification methods of conformity of production and in-service conformity.
Compared with the Stage IV, the significant changes are as follows:
- The application scope of the standard extends to the vehicles with
reference mass of not exceeding 2610 kg and specifies that the light-duty hybrid electric vehicles shall comply with the requirements of this
Standard;
- Improve the emission control requirements of Type I test; REVISE the
measurement method of particulate matter mass and add the
measurement requirements of particle numbers;
- Categorize the two-speed idle test of positive ignition vehicles and free acceleration smoke test of compression ignition vehicles as the Type II test;
- Improve the distance requirements for durability in Type V test; ADD the standard road cycle and bench ageing test method for positive ignition
engines;
- ADD the test requirements for effective volume and initial working capacity of canister;
- ADD the test requirements for substrate volume and precious metal
content of catalytic converter;
- REVISE the requirements for monitoring items and limit values of the OBD system and the onboard diagnostic techniques of bi-fuel vehicles;
- REVISE the related requirements for access to the OBD system and
vehicle maintenance/repair information;
- REVISE the method of verifying the conformity of production; ADD the
requirements for checking conformity of production of carbon canister and catalytic converter;
- REVISE the related requirements for in-service conformity check; ADD the requirements of checking OBD system and evaporative emissions;
- ADD the technical requirements for vehicles that use a reagent for the exhaust after-treatment system;
- ADD the procedure for emission test of vehicles equipped with periodically regenerating systems;
- REVISE the technical requirements for test fuels.
Annexes A, C, D, E, F, G, H, I, J, K, L, M, N, O, and P in this Standard are Normative Annexes, while Annex B is an Informative Annex.
This Standard was organized and formulated by the Department of Science, Technology and Standards of Ministry of Environmental Protection.
This Standard was drafted by Chinese Automotive Technology and Research Center and Chinese Research Academy of Environmental Sciences.
This Standard was approved by the Ministry of Environmental Protection on May 27, 2013.
From the issuance date of this Standard, this Standard can be deemed as the basis for type approval. From the date of January 1, 2018, all light-duty vehicles sold and registered shall comply with the requirements in the
Standard.
From the date of January 1, 2018, this Standard replaces Limits and
measurement methods for emissions from light-duty vehicles (CHINA III, IV) (GB 18352.3-2005). Prior to January 1, 2023, the ?€?In-service conformity check?€? for light-duty vehicles of Stage III and IV shall follow the relevant requirements stated in GB 18352.3-2005.
This Standard is interpreted by the Ministry of Environmental Protection. Limits and measurement methods for
emissions from light-duty vehicles
(CHINA 5)
1 Scope of application
This Standard specifies the limits and measurement methods for exhaust
emissions at normal and low ambient temperature, exhaust emissions at
two-speed idle condition, crankcase emissions, and evaporative emissions, and technical requirements and measurement methods for the durability of pollution control devices and onboard diagnostic (OBD) systems of light-duty vehicles equipped with positive-ignition engines.
This Standard specifies the limits and measurement methods for exhaust
emissions at normal ambient temperature and free acceleration smoke, and technical requirements and measurement methods for the durability of
pollution control devices and OBD systems of light-duty vehicles equipped with compression-ignition engines.
This Standard specifies the requirements for type-approval of light-duty vehicles, check and verification methods of conformity of production and in-service conformity.
This Standard also specifies the special requirements for light-duty vehicles fueled by LPG or NG.
This Standard also specifies the type-approval procedure for replacement pollution control devices as separate technical units intended to be fitted on light-duty vehicles with respect to pollutant emissions.
This Standard also stipulates the technical requirements for vehicles that use a reagent for the exhaust after-treatment system and the procedure for emission test of vehicles equipped with periodically regenerating systems.
This Standard applies to light-duty vehicles, including hybrid electric vehicles, powered by positive-ignition engines or compression-ignition engines, with the maximum design speed of being greater than or equal to 50 km/h.
At the manufacturer's request, type approval may be performed for Category M1, M2, and N2 vehicles with the maximum mass exceeding 3500 kg and a
reference mass not exceeding 2610 kg in accordance with this Standard; as for the vehicles type approval granted under this Standard may be extended from vehicles mentioned above to M1, M2, N1 and N2 vehicles with a reference mass not exceeding 2840 kg and which meet the conditions laid down in this Standard.
This Standard does not apply to the vehicles whose type had been approved in accordance with GB 17691-2005 (China Stage V).
2 Normative references
The following documents or contained provisions which, through reference in this Standard, constitute provisions of this Standard. For all undated
references, the valid edition applies to this Standard.
GB 1495 Limits and measurement methods for noise emitted by
accelerating motor vehicles
GB 3847-2005 Limits and measurement methods for exhaust smoke from
C.I.E. (Compression Ignition Engine) and vehicle equipped
with C.I.E.
GB 7258 Safety specifications for power-driven vehicles operating on
roads
GB/T
15089-2001
Classification of power-driven vehicles and trailers
GB
17691-2005
Limits and measurement methods for exhaust pollutants from
compression ignition and gas fuelled positive ignition engines
of vehicles (III, IV, V)
GB 18285 Limits and measurement methods for exhaust pollutants from
vehicles equipped ignition engine under two-speed idle
conditions and simple driving mode conditions
GB/T
19001-2008
Quality management systems - Requirements
GB/T 19755 Measurement methods for emissions from light-duty hybrid
electric vehicles
HJ/T 390 Technical Requirement for Environmental Protection Product
- Control System of Fuel Evaporative Pollutants from Vehicle
WITH Petrol Engine
HJ 509 Determination of Platinum, Palladium and Rhodium loading in
the vehicle-used ceramic catalytic converters Inductive
Coupled Plasma-Optical Emission Spectrometry and
Inductive Coupled Plasma-Mass Spectrometry
ISO
2575-1982
Road vehicles - Symbols for controls, indicators and tell-tales
ISO
8422-1991
Sequential sampling plans for inspection by attributes
ISO 9141-2 Road vehicles - Diagnostic systems - Part 2: CARB
requirements for interchange of digital information
ISO 14230-4 Road vehicles - Diagnostic systems - Keyword Protocol 2000
- Part 4: Requirements for emission-related systems
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
ISO 15031-4 Road vehicles - Communication between vehicle and
external equipment for emissions-related diagnostics - Part 4:
External test equipment
ISO 15031-5 Road vehicles - Communication between vehicle and
external equipment for emissions-related diagnostics - Part 5:
Emissions-related diagnostic services
ISO 15031-6 Road vehicles - Communication between vehicle and
external equipment for emissions-related diagnostics - Part 6:
Diagnostic trouble code definitions
ISO 15031-7 Road vehicles - Communication between vehicle and
external equipment for emissions-related diagnostics - Part 7:
Data link security
ISO 15765-4 Road vehicles - Diagnostics on Controller Area Network
(CAN) - Part 4: Requirements for emissions-related systems
EN 1822 High efficiency air filters (EPA, HEPA and ULPA)
SAE J1850 Class B data communications network interface
SAE J2186 E/E data link security
3 Terms and definitions
For the purpose of this Standard, the following terms and definitions apply. 3.1
Light-duty vehicle
The category M1, M2, and N1 vehicles with the maximum mass of not
exceeding 3500 kg.
3.2
Vehicle of category M1, M2, N1 and N2
According to GB/T 15089-2001,
Vehicle of category M1 refers to the passenger vehicle with no more than 9 seats, including the driver's seat.
Vehicle of category M2 refers to the passenger vehicle with more than 9 seats including the driver's seat and whose maximum design mass does not exceed 5000 kg.
Vehicle of category N1 refers to the goods vehicle with the maximum design mass of not exceeding 3500 kg.
Vehicle of category N2 refers to the goods vehicle with the maximum design mass of more than 3500 kg but not more than 12000 kg.
3.3
Vehicle of category I
The vehicle of category M1 with no more than 6 seats including the driver's seat and whose maximum mass of not exceeding 2500 kg.
3.4
Vehicle of category II
All vehicles covered by this Standard except the vehicle of category I. 3.5
Vehicle type
Type of motor vehicle. The same type shall not differ in the following respects: (1) The equivalent inertia determined in accordance with the reference
mass as prescribed in C.5.2.1; and
(2) The engine and vehicle characteristics as defined in Annex A.
3.6
Hybrid electric vehicle (HEV)
The vehicle that can be powered from at least the following two types of on-vehicle stored energy:
- A consumable fuel;
- A rechargeable energy/power storage device.
3.7
Bi-fuel vehicle
The vehicle that can use both gasoline and one gaseous fuel, but not both fuels.
3.8
Mono-fuel gas vehicle
The vehicle that can only use one type of gaseous fuel (LPG or NG), or the vehicle that can use both gaseous fuel (LPG or NG) and petrol, but may also have a petrol system for emergency purposes or starting only, where the petrol tank does not contain more than 15 liters of petrol.
3.9
Reference mass (RM)
The "unladen mass" of the vehicle plus 100 kg.
3.10
Maximum mass
The technically permissible maximum mass declared by the vehicle
manufacturer.
3.11
Equivalent inertia (I)
Mass that is equivalent to the inertia which is recorded by the inertia simulator equipped on the chassis dynamometer during vehicle driving and moving.
3.12
Gaseous pollutants
The exhaust emissions of carbon monoxide (CO), oxides of nitrogen (NOX) expressed in nitrogen dioxide (NO2) equivalent and hydrocarbons (THC and NMHC) assuming hydrocarbon ratio of:
(a) C1H1.85 for petrol,
(b) C1H1.86 for diesel,
(c) C1H2.525 for LPG,
(d) CH4 for NG.
3.13
Particulate matter (PM)
Components of the exhaust gas which are removed from the diluted exhaust gas at a maximum temperature of 325 K (52 ??C) by means of the filters
described in Attachment CE.
3.14
Particle numbers (PN)
The total number of particles of a diameter greater than 0.023 ??m present in the diluted exhaust gas after it has been conditioned to remove volatile material, as described in Attachment CF.
3.15
Exhaust emissions
Gaseous pollutants and particulate matter emitted from vehicle exhaust pipes. 3.16
Evaporative emissions
The hydrocarbon vapors lost from the fuel (petrol) system of a motor vehicle other than those from exhaust emissions, including:
(1) "Hot soak losses" are hydrocarbon emissions arising from the fuel
system of a stationary vehicle after a period of driving, expressed as
C1H2.20 equivalent.
(2) "Tank breathing losses" are hydrocarbon emissions caused by
temperature changes in the fuel tank, expressed as C1H2.33 equivalent.
3.17
Crankcase
The spaces in or external to an engine which are connected to the oil sump by internal or external ducts through which gases and vapor can escape.
3.18
Cold start device
The device that temporarily enriches the air/fuel mixture of the engine thus assisting the engine to start.
3.19
Starting aid
The device which assists engine start up without enrichment of the air/fuel mixture of the engine, e.g. glow plug, injection timing change, etc.
3.20
Engine capacity
The nominal engine swept volume for reciprocating piston engines; twice the nominal swept volume for rotary piston engines.
3.21
Pollution control devices
Components of a vehicle that control or limit exhaust or evaporative emissions. 3.22
Onboard diagnostic system
Onboard diagnostic (OBD) system for emission control, referred to as OBD system. It shall have the function of identifying areas where a malfunction may exist and storing this information in the memory of the electronic control unit by means of malfunction code.
3.23
Access to information
The availability of all vehicle OBD and vehicle repair and maintenance
information, required for the inspection, diagnosis, servicing or repair of the vehicle.
3.24
Malfunction indicator (MI)
A visible or audible indicator that clearly informs the driver of the vehicle in the event of a malfunction of any emission-related component connected to the OBD system, or of the OBD system itself.
3.25
Misfire
Lack of combustion in the cylinder of a positive ignition engine due to absence of spark, poor fuel metering, poor compression or any other cause.
3.26
Defeat device
Any element of design which measures or senses vehicle speed, engine
rotational speed, transmission gear, temperature, air inlet manifold vacuum or any other parameter for the purpose of activating, to activate, modulate, delay, or deactivate the operation of any part or the function of the emission control system, so that the effectiveness of the emission control system is reduced under conditions which may reasonably be expected to be encountered in
normal vehicle operation and use.
Such an element of design may not be considered as a defeat device:
(1) The dev...

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