Regulation No. 49-06 Proposed Supplement 4

Name:Regulation No. 49-06 Proposed Supplement 4
Description:Emissions - Heavy Duty Vehicles. Proposed Supplement 4 to the 06 Series.
Official Title:Proposal for Supplement 4 to the 06 Series of Amendments to Regulation No. 49 (Emissions of Compression Ignition and Positive Ignition (LPG and CNG) Engines).
Country:ECE - United Nations
Date of Issue:2016-04-08
Amendment Level:Original
Number of Pages:3
Information:Provisional Date of Entry into Force: February 9, 2017
Vehicle Types:Bus, Car, Component, Heavy Truck, Light Truck
Subject Categories:Drafts and Proposals (Historical)
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Keywords:

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Text Extract:

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ECE/TRANS/WP.29/2016/41
PROPOSAL FOR SUPPLEMENT 4 TO THE 06 SERIES OF
AMENDMENTS TO
REGULATION NO. 49
(EMISSIONS OF COMPRESSION IGNITION AND
POSITIVE IGNITION (LPG AND CNG) ENGINES)
ADOPTED AT THE 169 SESSION – JUNE 2016
PROVISIONAL DATE OF ENTRY INTO FORCE: FEBRUARY 9, 2017

Annex 9B, Appendix 3, Item 7, amend to read:
"Fuel System monitoring
The OBD system shall monitor the following elements of the fuel system on engines so-equipped for
proper operation:
(a)
(b)
(c)
(d)
(e)
Fuel system pressure control: fuel system ability to achieve the
commanded fuel pressure in closed loop control - performance
monitoring.
Fuel system pressure control: fuel system ability to achieve the
commanded fuel pressure in closed loop control in the case
where the system is so constructed that the pressure can be
controlled independently of other parameters - performance
monitoring.
Fuel injection timing: fuel system ability to achieve the
commanded fuel timing for at least one of the injection events
when the engine is equipped with the appropriate sensors -
performance monitoring.
Fuel injection quantity: fuel system ability to achieve the
commanded fuel quantity by detecting errors from desired fuel
quantity in at least one of the injection events when the engine is
equipped with the appropriate sensors (e.g. in pre- main- or
post-injection) – emission threshold monitoring.
Fuel injection system: ability to maintain the desired air-fuel ratio
(incl. but not limited to self-adaptation features) – performance
monitoring.
Annex 10, Paragraph 11., amend to read:
"11. DOCUMENTATION
Diesel
X
X
X
X
Gas
X
"
The Type Approval Authority shall require that the manufacturer provides a documentation
package. This should describe any element of design and emission control strategy of the
engine system and the means by which it controls its output variables, whether that control
is direct or indirect.
The information shall include a full description of the emission control strategy. In addition,
this shall include information on the operation of all AES and BES, including a description of
the parameters that are modified by any AES and the boundary conditions under which the
AES operate, and indication of which AES and BES are likely to be active under the
conditions of the test procedures in this Annex.
This information shall be made available in the "extended documentation package"
according to the documentation requirements specified in Paragraph 5.1.4."
Emissions - Heavy Duty Vehicles. Proposed Supplement 4 to the 06 Series.