UN R13H Supplement 2 (01 series) · UNECE Regulation No. 13H (ECE R13H) — Uniform provisions concerning the approval of passenger cars with regard to braking.
UN R13H — Supplement 2 to the 01 series of amendments
Supplement 1 → 2
- What changed
- After a battery recharge or replacement, vehicles with Category B regenerative braking now need further reconditioning of the linings to complete the recovery procedure.
- This supplement removes the sentence “The procedures may be conducted without a regenerative braking component.”
- Why
- The expert from France proposed to clarify paragraph 1.5.3.1. for batteries recharged or replaced between the hot performance and recovery procedures.
- In that case, the linings temperature may no longer be at the temperature before the recovery procedure.
Q1What changed2 changes
Battery recharge or replacement in the recovery procedure (Annex 3, para. 1.5.3.1.)
As before, vehicles equipped with an electrical regenerative braking system of Category B may have their batteries recharged or replaced by a charged set. In this case, further reconditioning of the linings must now be done to complete the recovery procedure. The text now writes “Category B” instead of “category B” and “recharged” instead of “re-charged”. This supplement also removes the sentence “The procedures may be conducted without a regenerative braking component.”
Q2Why it changed
- Proposed by
- Expert from France
- Working party
- GRVA, 7th session (September 2020)
Reasons
The proposal aimed to clarify Annex 3, paragraph 1.5.3.1., for batteries recharged or replaced with a charged set between the hot performance and recovery procedures. In this case, the linings temperature may no longer be at the temperature before the recovery procedure.
Sources (2)
“It is aimed at clarifying the provisions in Annex 3, para. 1.5.3.1., in case the batteries have been recharged or replaced with a charged set between the hot performance and recovery procedure”
“in case the batteries have been recharged or replaced with a charged set between the hot performance and recovery procedures, the linings temperature may no longer be at the temperature prior to the recovery procedure”
The proposal aimed to make clear that, in this case, further reconditioning of the linings (a new warm-up procedure) is necessary. The aim was to continue the recovery protocol in representative conditions, with the appropriate temperature.
Source
“This proposal is aimed to clarify that, in this case, further reconditioning of the linings needs to be performed (i.e. a new warm-up procedure) in order to continue the recovery protocol in representative conditions, with the appropriate temperature.”
Document trail
- 2019-07ProposalECE/TRANS/WP.29/GRVA/2020/20Proposal by the expert from France
- —Working party adoptsECE/TRANS/WP.29/GRVA/7GRVA session report, para. 64
- 2020-12Sent to WP.29ECE/TRANS/WP.29/2021/13Text that GRVA sent to WP.29 and AC.1
- 2021-03WP.29 adoptsECE/TRANS/WP.29/1157Adopted at the 183rd session (session report, para. 137)
- 2021-09-30In forceC.N.309.2021.TREATIES-XI.B.16.13HUN depositary notification
Q3Who is affected
Vehicle manufacturer
- For Category B regenerative braking, plan further lining reconditioning after battery recharge or replacement in the recovery procedure (paragraph 1.5.3.1.).
- Review your test plans that use the removed sentence “The procedures may be conducted without a regenerative braking component.”
- Update your documents that quote paragraph 1.5.3.1.
Component supplier
- No direct action for this role.
Technical service / Approval authority
- For Category B regenerative braking, check further lining reconditioning after battery recharge or replacement in the recovery procedure (paragraph 1.5.3.1.).
See every change side by side
RegVault customers compare every version of UN regulations, read the consolidated text and download the PDF.
ⓘ This report gives advice only. It is not legal or type-approval advice.