T/CSAE 42-2015 Active Group standards

T/CSAE 42-2015 Electric vehicle CAN bus fault diagnosis service specification

Publish Date: 2015-11-05 Implement Date: 2015-11-05 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/CSAE 42-2015

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: New energy vehicles and other types of vehicles

ICS Name: Comprehensive Installation of Road Vehicles

Publish Date: 2015-11-05

Implement Date: 2015-11-05

Scope

Scope: This specification defines the abbreviations and diagnostic application layer services for diagnosing electric vehicles via the CAN bus between diagnostic equipment and electric vehicle controllers (not limited to vehicle controllers). This specification applies to online diagnostics of pure electric passenger vehicles. For wireless diagnostics, it can be used for reference. Main technical content: This standard specifies the communication protocols at the network layer and application layer, mainly used for data monitoring, calibration, input/output control, and reading controller internal information of electric vehicles. This standard provides a detailed description of the network layer and application layer of the CAN bus fault diagnosis service for electric vehicles. For the network layer, it mainly stipulates data transmission rules, message types, addressing modes, and diagnostic sessions. For the application layer, it mainly stipulates the diagnostic service application. This diagnostic service application includes diagnostic management function units, data transmission function units, transmission and storage data function units, input/output control function units, remote function activation function units, and upload and download function units. Among them, the diagnostic management function units include opening diagnostic session services, controller reset services, secure access services, and test online services.