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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)
GB 18352.5-2013
NATIONAL STANDARD OF THE
PEOPLE’S 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 
                                        
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 ...