About

Scope

Systems and components for combustion based propulsion (such as; coolant, engines, filters, piston pins/rings, powertrain, testing methods, testing procedures, measurement testing apparatus, fuel injection equipment, as well as characteristics and additive fluids definitions (e.g. (AUS32), except lubricants, brake fluids, and fuels.

Quick links

114

Published ISO standards *

22

ISO standards under development *

22
Participating members
14
Observing members

* number includes updates

Reference Title Type
ISO/TC 22/SC 34/WG 1   Fuel filters Working group
ISO/TC 22/SC 34/WG 2   Injection equipment Working group
ISO/TC 22/SC 34/WG 3   Air filters Working group
ISO/TC 22/SC 34/WG 4   Piston rings Working group
ISO/TC 22/SC 34/WG 5   Engine test code Working group
ISO/TC 22/SC 34/WG 6   Water injection Working group
ISO/TC 22/SC 34/WG 9   Piston Pins Working group
ISO/TC 22/SC 34/WG 11   Separator performance, laboratory and engine test methods for crankcase ventilation systems Working group
ISO/TC 22/SC 34/WG 14   NOx reduction additive Working group
ISO/TC 22/SC 34/WG 17   Road vehicles – Cleanliness of components Working group
ISO/TC 22/SC 34/WG 18   Mobile refrigerant systems Working group

Liaison Committees to ISO/TC 22/SC 34

The committees below can access the documents of ISO/TC 22/SC 34:

Reference Title ISO/IEC
ISO/TC 22/SC 41 Specific aspects for gaseous fuels ISO
ISO/TC 28 Petroleum and related products, fuels and lubricants from natural or synthetic sources ISO
ISO/TC 61 Plastics ISO
ISO/TC 70/SC 8 Exhaust gas emission measurement ISO
ISO/TC 131/SC 6 Contamination control ISO
ISO/TC 142 Cleaning equipment for air and other gases ISO

 

Liaison Committees from ISO/TC 22/SC 34

ISO/TC 22/SC 34 can access the documents of the committees below:

Reference Title ISO/IEC
ISO/TC 28 Petroleum and related products, fuels and lubricants from natural or synthetic sources ISO
ISO/TC 70/SC 8 Exhaust gas emission measurement ISO
ISO/TC 131/SC 6 Contamination control ISO
ISO/TC 142 Cleaning equipment for air and other gases ISO

 

Organizations in liaison (Category A and B)

Acronym Title Category
CEC - Lubricants Coordinating European Council for the Development of Performance Tests for Transportation Fuels, Lubricants and Other Fluids A
CLEPA European Association of Automative Suppliers A
EC - European Commission European Commission A
IMMA International Motorcycle Manufacturers Association A
OICA International Organization of Motor Vehicle Manufacturers A
OIML International Organization of Legal Metrology A
UNECE United Nations Economic Commission for Europe A
UNEP United Nations Environment Programme A

Organizations in liaison (Category C)

C liaisons participate at the level of a Working Group

Acronym Title Category
AGU Automotive Grade Urea C
Date Month Location TC/SC Note
9 October 2026 Berlin (Germany) ISO/TC 22/SC 34  

* Information definite but meeting not yet formally convened
** Provisional

ISO/TC 22/SC 34 - Secretariat

JISC (Japan)

Japanese Industrial Standards Committee
Technical Regulations, Standards & Conformity Assessment Policy Unit
Ministry of Economy, Trade and Industry
1-3-1, Kasumigaseki, Chiyoda-ku
Japan

Tel: +81 3 35 01 94 71
Fax: +81 3 35 80 86 37