Standard No.:	JT/T 1429-2022
English Name:	Technical requirement and test method of tire pressure monitoring system for commercial vehicle
Chinese Name:	营运车辆轮胎气压监测系统技术要求和试验方法
Professional Classification:	JT    Professional Standard - Transport
Issued by:	Ministry of Transport
Issued on:	2022-06-09
Implemented on:	2022-12-9
Status:	valid
Language:	English
File Format:	PDF
Word Count:	4000 words
Price(USD):	120.0
Delivery:	via email in 1 business day

Technical requirement and test method of tire pressure monitoring system for commercial vehicle 1 Scope This standard specifies the technical requirements and test methods of tire pressure monitoring system for commercial vehicle. This standard is applicable to the design, manufacture and test of the tire pressure monitoring system for Categories M2, M3 and N commercial vehicles. 2 Normative references The following referenced documents are indispensable for the application of this standard. For dated references, only the edition cited applies. For undated references, the latest edition (including any amendments) applies. GB 4094 Symbols for controls, indicators and tell-tales of motor vehicles GB/T 12534 Motor vehicles — General rules of road test method GB/T 15089 Classification of power-driven vehicles and trailers GB/T 17619 Limits and methods of testing for immunity of electrical/electronic sub-assemblies in vehicles to electromagnetic radiation GB/T 18655 Vehicles, boats and internal combustion engines — Radio disturbance characteristics — Limits and methods of measurement for the protection of on-board receivers GB 26149 Performance requirements and test methods of tire pressure monitoring system for passenger cars GB/T 30038 Road vehicles — Degrees of electrical equipment protection (IP-Code) JT/T 1178.2 Safety specification for commercial vehicle for cargoes transportation — Part 2: Towing vehicle and trailer 3 Terms and definitions For the purposes of this document, the terms and definitions given in GB/T 4094, GB/T 15089, GB 26149 and GB/T 1178.2 and the following apply. 3.1 tire pressure monitoring system system installed on a vehicle that monitors tire pressure and temperature and sends out alarm signals when one or more tires are under inflation, tire high temperature, or malfunction alarms Note: It is revised from GB 26149-2017, 3.1. 3.2 under inflation tire pressure in the tire, which is less than or equal to 75% of the recommended tire pressure of the vehicle 3.3 tire high temperature temperature in the tire, which is greater than or equal to 90°C 3.4 fault alarm alarm when tire pressure monitoring system fails 3.5 tire pressure monitoring module component for measuring tire pressure, temperature, etc. 3.6 system host module with data receiving and processing functions 4 Technical requirements 4.1 General requirements 4.1.1 In the received signals, the tire pressure monitoring system (TPMS) shall recognize and process only the signals emitted by the tire pressure monitoring module of the system. 4.1.2 The alarm marks of TPMS signal devices shall meet the following requirements: a) Equipped with the alarm indicator lamp shown in Figure 1;

Foreword i 1 Scope 2 Normative references 3 Terms and definitions 4 Technical requirements 5 Test methods