OICA presentation on its field study to develop data on TPMS performance and comments on the T&E test procedure for evaluating indirect TPMS. In particular, OICA states that the T&E methods did not represent normal use cases or correspond to the intent of UN R141 to address slow diffusion of air that leads to underinflation.
45. The Chair recalled that GRRF already supported ECE/TRANS/WP.29/GRRF/2016/43 with editorial corrections and that this document was kept on the agenda, awaiting substantive proposals to be considered at the coming session. The expert from EC introduced GRRF-83-13 reporting on testing activities and a report from a European NGO on Tyre Pressure Monitoring Systems (TPMS). The experts reviewed the report. The expert from OICA presented GRRF-83-16 answering to this report. The methodology and the evidences presented in the report were subject to discussion. GRRF noted that a few recommendations (e.g. 1 and 4) concluding the report could be considered.
46. The expert from Denmark invited the GRRF experts to share information on existing road traffic laws and regulations requesting the use of TPMS.
| GRRF-83-13 |