T/CAAMTB 239-2024 Active Group standards

T/CAAMTB 239-2024 Passenger car noise evaluation road standard and load spectrum collection specification

Publish Date: 2024-12-25 Implement Date: 2025-01-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/CAAMTB 239-2024

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: Comprehensive Installation of Road Vehicles

Publish Date: 2024-12-25

Implement Date: 2025-01-01

Scope

Main technical content: This document specifies the road classification for evaluating abnormal noises in passenger cars, road characteristics, road selection, recommended speeds, and requirements for collecting abnormal noise road load spectra. This document is applicable to road test evaluations of abnormal noise performance in passenger cars, including new energy vehicles and fuel vehicles (including M1, M2, and N1), as well as the collection of whole-vehicle abnormal noise load spectra.