Proposal for amendments to the 02 series of amendments to UN Regulation No. 79
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This proposal supplements proposal GRRF/2017/23 which amends UN R13, R13H and R140, to allow the use of the ESC tell-tale to indicate the intervention on the steering angle of one or more wheels for the purpose of vehicle stability. The intention allow design options that avoid two optical warning signals (ESC flashing + constant CSF) during an ESC intervention.

Reference Number: GRRF-84-22
Origin: CLEPA and OICA
Date: 19 September 2017
Proposal Status: Superseded
Related Documents:
GRRF-84-39 | Adopted amendments to GRRF/2017/23 (UN R13, 13-H, 140)
GRRF/2017/23 | Proposal for amendments to Regulations Nos. 13, 13-H and 140
WP.29/2018/11 | UN R79: Proposal for Supplement 1 to the 02 series of amendments
Discussion(s):
Working Party on Brakes and Running Gear | Session 84 | 19-22 Sep 2017

48. The expert from OICA introduced ECE/TRANS/WP.29/GRRF/2017/23 as amended by GRRF-84-22 with provisions to be included in UN Regulations Nos. 13, 13-H, 79 and 140 related to the stability control warning activation by Corrective Steering Functions and Automatically Commanded Steering Functions. The proposal received some comments. GRRF amended the proposal as reflected in GRRF-84-39.

49. GRRF agreed with the proposal as amended by Annex V of the GRRF session report and requested the secretariat to submit it [together with GRRF-84-22] as draft supplements to Regulations Nos. 13, 13-H, 79 and 140 to WP.29 and AC.1 for consideration and vote at their March 2018 sessions.