|
18 Sep 2018
|
GTR 15: General field of JCSS-MRA Certification (Japan)
|
WLTP-24-06/App.08d
|
2018-09-18 |
Japan |
|
20 Sep 2018
|
WLTP COP Procedure in Japan (Japan)
|
WLTP-24-12/App.01
|
2018-09-20 |
Japan |
|
7 Jan 2019
|
GTR 15: Impact of Fuel Properties on Pollutants/CO2 (Japan)
|
WLTP-25-14
|
2019-01-07 |
Japan |
|
15 Apr 2019
|
Additional WLTP UN Regulation discussion points (Japan)
|
WLTP-26-06
|
2019-04-15 |
Japan |
|
15 Apr 2019
|
WLTP OBD Task Force Comparison Sheet (Japan)
|
WLTP-26-07/App.2
|
2019-04-15 |
Japan |
|
17 Apr 2019
|
WLTP: Comparison of EU and Japan provisions on durability (Japan)
|
WLTP-26-08/App.1
|
2019-04-17 |
Japan |
|
9 Apr 2019
|
Japan positions on WLTP low temperature draft provisions (Japan)
|
WLTP-26-11
|
2019-04-09 |
Japan |
|
15 Apr 2019
|
GTR 15: Evaluation of front-rear roller speed synchronization for the 4WD-CHDY (Japan)
|
WLTP-26-15
|
2019-04-15 |
Japan |
|
26 Sep 2019
|
WLTP EVAP Conformity of Production: UN R83 method revision (Japan)
|
WLTP-28-05/App.2
|
2019-09-26 |
Japan |
|
23 Sep 2019
|
Japan comments on WLTP Low Temperature task force open issues list (Japan)
|
WLTP-28-13/App.2
|
2019-09-23 |
Japan |
|
26 Sep 2019
|
GTR 19: WLTP EVAP scope modification proposal (Japan)
|
WLTP-28-20
|
2019-09-26 |
Japan |
|
21 Apr 2020
|
GTR 15: Amendment 6 working draft input (Japan)
|
WLTP-30-04
|
2020-04-21 |
Japan |
|
15 Oct 2024
|
Input on UN R154 update topics (CLEPA, Japan, and OICA)
|
WLTP-AH-01-02
|
2024-10-15 |
CLEPA Japan OICA |
|
17 Jan 2025
|
UN R154: Observations on implementation of Euro 7 provisions (Japan)
|
WLTP-AH-03-02
|
2025-01-17 |
Japan |
|
16 Mar 2025
|
UN R154: Proposal for new series of amendments (EC, Japan, Korea, OICA, Sweden, Switzerland, and UK)
|
WLTP-AH-04-05
|
2025-03-16 |
Draft proposal to align the Regulation with the latest regional requirements (e.g., Euro 7) as submitted to GRPE (Informal document GRPE-92-09e). EC Japan Korea OICA Sweden Switzerland UK |
|
13 Sep 2025
|
UN R154: Comments on draft 04 series of amendments (France and Japan)
|
WLTP-AH-LDN-04/Rev.1
|
2025-09-13 |
France Japan |
|
17 Sep 2025
|
UN R168: Comments on the proposed 01 series of amendments (Japan)
|
WLTP-AH-LDN-12
|
2025-09-17 |
Japan |
|
18 Sep 2025
|
UN R154: Comments and amendments to the proposal for a new series (GRPE/2025/15) (Japan)
|
WLTP-AH-LDN-16
|
2025-09-18 |
Japan |
|
27 Nov 2025
|
UN R154: Comments on application of levels in draft series of amendments (Japan)
|
WLTP-AH-08-01/Rev.1
|
2025-11-27 |
Japan |
|
13 Oct 2025
|
UN R154: Updates concerning OVC-HFCV (Japan)
|
WLTP-AH-GVA-02
|
2025-10-13 |
UN R154 specifies unique identifiers for vehicle families in the format FT-nnnnnnnnnnnnnnn-WMI, where FT designates family type: IP for Interpolation family, RL for Road load family, RM for Road load matrix family, PR for Periodically regenerating systems family, AT for ATCT family, EV for Evaporative emissions family, DF for Durability family, OB for OBD family, ER for Exhaust after-treatment system using reagent family, GV for Gas Fuelled Vehicle family, KC for KCO₂ correction factor family, RT for Low temperature range family, MF for Monitor family, BD for Battery Durability family, VD for virtual distance family, and LP for Lower limit pressure family. The document establishes reporting requirements for fuel consumption, electric energy consumption, and fuel efficiency for various vehicle types including OVC-FCHVs and NOVC-FCHVs, with driving range of hydrogen calculated according to specified procedures. Japan |
|
1 Mar
|
UN R154: Clarification of the applicable level (Japan)
|
WLTP-AH-10-01
|
2026-03-01 |
Japan |
|
22 Mar 2010
|
Proposal for In-use Data Conversion Technique ( Re-Categorization of in-use data ) (Japan)
|
WLTP-DHC-03-02
|
2010-03-22 |
Japan |
|
15 Apr 2010
|
Note for the 3rd DHC session (Japan)
|
WLTP-DHC-03-05
|
2010-04-15 |
Japan |
|
14 Oct 2010
|
Worldwide light vehicle driving test cycle (WLTC) construction (Japan)
|
WLTP-DHC-05-05
|
2010-10-14 |
Japan |
|
17 Oct 2010
|
Worldwide light vehicle driving test cycle (WLTC) construction: revised (Japan)
|
WLTP-DHC-05-05/Rev.1
|
2010-10-17 |
Japan |
|
6 Jan 2011
|
DHC current status, open issues and next steps (Japan)
|
WLTP-DHC-06-02
|
2011-01-06 |
Japan |
|
7 Jan 2011
|
DHC current status, open issues and next steps: revised (Japan)
|
WLTP-DHC-06-02/Rev.1
|
2011-01-07 |
Japan |
|
6 Jan 2011
|
Worldwide harmonized light-duty driving test cycle (WLTC) methodology (Japan)
|
WLTP-DHC-06-03
|
2011-01-06 |
Japan |
|
7 Jan 2011
|
Worldwide harmonized light-duty driving test cycle (WLTC) methodology: revised (Japan)
|
WLTP-DHC-06-03/Rev.1
|
2011-01-07 |
Japan |
|
27 May 2011
|
Development of World-wide Lightduty Test Cycle : Proposal for the threshold vehicle speed of Low/Middle/High(/extra-High) phase (Japan)
|
WLTP-DHC-07-02
|
2011-05-27 |
Japan |
|
7 Jun 2011
|
Development of World-wide Light-duty Test Cycle (Japan)
|
WLTP-DHC-08-02
|
2011-06-07 |
Japan |
|
18 Jul 2011
|
WLTP gear shift analysis (Japan)
|
WLTP-DHC-09-03
|
2011-07-18 |
Japan |
|
18 Jul 2011
|
Discussion document on Mode Construction (Japan)
|
WLTP-DHC-09-04
|
2011-07-18 |
Japan |
|
18 Jul 2011
|
Supplementary tables for gear shift discussion (Japan)
|
WLTP-DHC-09-05
|
2011-07-18 |
Japan |
|
13 Oct 2011
|
Validation Phase 1: Japan results (MS Excel) (Japan)
|
WLTP-DHC-10-07
|
2011-10-13 |
Japan |
|
13 Oct 2011
|
Comparative study on the threshold speed (Japan)
|
WLTP-DHC-10-08
|
2011-10-13 |
Japan |
|
13 Oct 2011
|
Study on WLTC cycle modification (Japan)
|
WLTP-DHC-10-10
|
2011-10-13 |
Japan |
|
28 Oct 2011
|
Important factors in WLTP test cycle development (Japan)
|
WLTP-DHC-10-16
|
2011-10-28 |
Japan |
|
28 Oct 2011
|
Proposal for WLTP roadmap revision (Japan)
|
WLTP-DHC-10-17
|
2011-10-28 |
Japan |
|
17 Jan 2012
|
Progress Report on the World-wide Light-duty Test Cycle (Japan)
|
WLTP-DHC-11-02
|
2012-01-17 |
Japan |
|
2 Feb 2012
|
Worldwide Light Vehicle Test Cycle ( version 4) wtih gear shift tables (Japan)
|
WLTP-DHC-11-03
|
2012-02-02 |
Japan's fourth update of the Worldwide Light Vehicle Test Cycle (WLTC) and gear shift tables. Japan |
|
2 Feb 2012
|
Gear shift analysis: further review on original Japan gear shift points (Japan)
|
WLTP-DHC-11-04
|
2012-02-02 |
Japan presentation on its analysis of WLTC gear shift points. Japan |
|
16 Apr 2012
|
Test results of Validation Test 1b and cycle modifications (Japan)
|
WLTP-DHC-12-04
|
2012-04-16 |
Japan |
|
5 Jun 2012
|
Current status of WLTP-DHC (Japan)
|
WLTP-DHC-13-02
|
2012-06-05 |
Status report of the development of a harmonized drive cycle for the proposed GTR on light vehicle emissions. Japan |
|
5 Jun 2012
|
Modification of WLTC Version 5 (Japan)
|
WLTP-DHC-13-04
|
2012-06-05 |
Proposals for the further development of the light-duty vehicle test cycle. Japan |
|
5 Jun 2012
|
Concept for introducing the Weighting Factors for L/M/H/ExH phase (Japan)
|
WLTP-DHC-13-05
|
2012-06-05 |
Introductory proposals to further discussions on the use of weighting factors for various categories of light-duty vehicles. Japan |
|
16 Apr 2013
|
WLTC Mode Construction (Japan)
|
WLTP-DHC-17-04
|
2013-04-16 |
Japan |
|
9 Jun 2012
|
Proposal for tire & vehicle selection under WLTP (Japan)
|
WLTP-DTP-10-15
|
2012-06-09 |
Review of best and worst case scenarios for testing vehicles according to weight, tire selection, and aerodynamic component configurations. Japan |
|
14 Apr 2013
|
WLTP: Proposal on the Payload Factor for N1 vehicles (EC, Germany, Japan, Korea, Netherlands, and T&E)
|
WLTP-DTP-13-06
|
2013-04-14 |
EC Germany Japan Korea Netherlands T&E |
|
14 Apr 2013
|
WLTP: Definition of default mode for lever design (Japan)
|
WLTP-DTP-13-07
|
2013-04-14 |
Japan |