This document specifies the test method for the steering wheel of automobiles from the straight-line driving state to leaving the central area. This document is applicable to M1 and N1 category vehicles, and other types of vehicles can be implemented as a reference.
GB/T 40509-2021 Referenced Document
GB/T 12534-1990 Motor vehicles--General rules of road test method
GB/T 12549 Terms and definitions for vehicle controllability and stability
GB/T 15089 Classification of power-driven vehicles and trailers
GB/T 3730.1 Terms and definitions of motor vehicles,trailers and combination vehicle— Part 1:Types*, 2022-12-30 Update
GB/T 3730.2 Road vehicle--Masses--Vocabulary and codes
GB/T 40509-2021 history
2021GB/T 40509-2021 Test method of transition test for the quantification of vehicle on-centre handling