Proposal to insert a new para. 5.1.12. requiring that whenever an assessment of compliance to a requirement of this regulation is unachievable without reading internal signal(s) of an electronic system, the vehicle manufacturer shall provide instructions and tools to read signals on in-vehicle networks for the technical service to extract and interpret the signal(s), with this information appended to the test report.
UNECE report in response to World Health Organization concerns over vehicle emissions, in particular diesel particulates.