Status / conditions of success Report to WP29/AC3 March 2005

04 March. 2005 WWH-OBD status 1

WWH-OBD

Status / conditions of successReport to WP29/AC3 March 2005

WP29-135-23


WWH-OBD

WWH-OBD – WP29/AC3 decisions

WP29_125 Nov01

158. […] the proposal by the United States of America to develop a global technical regulation concerning on-board diagnostic system for heavy-duty vehicles and engines (informal document No. 13) was well accepted […].

Inf. Doc. 13 [OBD] systems that detect emission related malfunctions and alert the vehicle operator by the illumination of a light on the vehicle control panel, thereby helping to ensure that emissions reductions from in-use vehicles are maintained. These systems […] also assist the repair technicians in the identification and repair of the problem thereby reducing overall repair time


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1st GTR proposalformal document

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WWH-OBD

WWH-OBD – project status March 2005

OBD Regulated functionsDiagnosis

• To be noted: New concept enabling a failure classification

AlertOn-board / Off-board Communication

• wired/wireless issue: guidance requested

Structure of the gtrStructure developed according to AC3 desiresMagnitude of the generic part: guidance requested


WWH-OBD

WWH-OBD – Wired/Wireless communication

Current recommendations of the drafting groupTelematics in the long term, but out of the scope of the present GTR2 options within the GTR: wired and wireless, left to the decision of the regional authorities

Project development (risks)Wireless provisions can probably not be developed within the given project time-frame (ISO indication)Lack of expertise on wireless communication within the working team (experts on emissions) to provide ISO with appropriate terms of reference.

Possible condition of success = good sense measuresThe scope of the GTR could in a first stage be limited to wired communicationWhen decided by WP29/AC3 and on the basis of the work on ITS currently under work a second version of the gtr could incorporate provisions for wireless communication.The new ISO standard to enable a future extension to wireless


WWH-OBD

WWH-OBD – Structure of the GTR

WP29 131 Nov03

148. […] The representative of the United Kingdom suggested that the informal group should also take into account the use of OBD systems in other fields than the control of pollutants emissions.

AC.3 endorsed that suggestion, and asked the gtr informal group to develop a suitable structure to allow other systems to be added at a later date.


WWH-OBD

GTR structure - concept

Generic OBD Provisions

- Considerations- Definitions- Requirements

Emission related OBD provisions

Function X OBD provisions

Function Y OBD provisions

WHDC

WWH-oce

ISO standards

OBD - GTR

Other emissions related GTRs and

standards


WWH-OBD

WWH-OBD – Content of the generic part

The generic partContent of the generic part developed by GRPE expertsGRRF, GRSP, GRSG have been/will be informedA multi-GR informal meeting intended to be convened on 30 MayFinal draft planned October 2005 – No time for developing high level multi-functional provisions

Condition of success (timing issue) = good sense measures

Generic provisions could be limited to "low hanging fruits" (e.g. definitions) in this first version of the gtrGeneric part could be completed by technical provisions (generic communication system, generic alert system, etc..) in a later stage when the OBD modules for other functions will be decided by AC3

Status / conditions of success Report to WP29/AC3 March 2005

Documents

Transcript of Status / conditions of success Report to WP29/AC3 March 2005