GB/T 32960.4-2025 PDF English
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Technical specifications for remote service and management system for electric vehicles - Part 4: Conformance test
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GB/T 32960.4-2025: Technical specifications for remote service and management system for electric vehicles - Part 4: Conformance test
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GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 43.040
CCS T 35
Technical specifications for remote service and management
system for electric vehicles - Part 4.Conformance test
Issued on: MAY 30, 2025
Implemented on: DECEMBER 01, 2025
Issued by. State Administration for Market Regulation;
Standardization Administration of the People’s Republic of China.
Table of Contents
Foreword... 3
Introduction... 5
1 Scope... 6
2 Normative references... 6
3 Terms and definitions... 6
4 Abbreviated terms... 7
5 Conformance requirements... 8
5.1 Test environment construction requirements... 8
5.2 Communication protocol function requirements... 9
5.3 Data quality and conformance requirements... 11
6 Test methods... 12
6.1 Test content classification... 12
6.2 Communication protocol function test... 13
6.3 Data quality and conformance test... 15
Appendix A (Normative) Data quality and conformance assessment... 16
A.1 Data quality assessment data list... 16
A.2 Data conformance comparison... 18
Technical specifications for remote service and management
system for electric vehicles - Part 4.Conformance test
1 Scope
This document specifies the conformance test requirements for the protocol structure,
communication connection, data packet structure and definition, as well as data unit
format and definition for remote service and management system for electric vehicles,
and describes the corresponding test methods.
This document applies to vehicle-to-platform communication testing for remote service
and management system for electric vehicles.
2 Normative references
The following documents, in whole or in part, are normatively referenced in this
document and are indispensable for its application. For dated references, only the
edition cited applies. For undated references, the latest edition of the referenced
document (including any amendments) applies.
GB/T 19596, Terminology of electric vehicles
GB/T 32960.1, Technical specifications for remote service and management
system for electric vehicles - Part 1.General principle
GB/T 32960.2, Technical specifications for remote service and management
system for electric vehicles - Part 2.On-board terminal
GB/T 32960.3-2025, Technical specifications for remote service and management
system for electric vehicles - Part 3.Communication protocol and data format
3 Terms and definitions
For the purposes of this document, the following terms and definitions, as well as those
given in GB/T 19596, GB/T 32960.1, GB/T 32960.2, GB/T 32960.3-2025, apply.
3.1
test platform
A remote service and management platform for the test data receiver during data
interaction.
3.2
null value rate; NVR
The proportion of null data units in the test data.
Note. One or more null data unit(s) in a data item shall be counted as one null value
data item.
3.3
abnormal value rate; AVR
The proportion of abnormal data units in the test data.
Note. One or more abnormal data units in a data item shall be counted as one
abnormal data item.
3.4
invalid value rate; IVR
The proportion of invalid data units in the test data.
Note. One or more invalid data unit(s) in a data item shall be counted as one invalid
data item.
3.5
packet loss rate; PLR
The proportion of data transmission loss in the test data.
4 Abbreviated terms
For the purposes of this document, the following abbreviated terms apply.
CAN. Controller Area Network
DBC. Database CAN
OBD. Onboard Diagnostic System
SOC. State of Charge
5.2.3 Data resend
After resuming communication after being offline, the vehicle shall resend the data
collected during the offline period immediately and upload them to the test platform.
The time period for resending the information reporting shall not exceed 30 seconds.
5.2.4 Alarm resend
If the communication link between the vehicle and the test platform is normal and the
real-time information transmission time is greater than 1 minute, make the vehicle
offline. When the offline time lasts for more than 5 minutes, any of the level 3 failure
alarms or level 4 thermal event failure alarms specified in 7.2.4.9 of GB/T 32960.3-
2025 shall be triggered during the offline period. After successful re-logins, the vehicle
shall immediately resend data during the offline period upload them to the test platform.
The data sampling period from 30 seconds before the level 3 or level 4 failure alarm
point to the alarm release shall not exceed 1 second. The time period for resending
information reporting during the rest of the time shall not exceed 30 seconds.
5.2.5 Vehicle charging
When the communication link between the vehicle and the test platform is normal, the
vehicle is subjected to charging test. If the charging time is greater than 15 minutes, or
the vehicle SOC reaches 100% after charging for more than 5 minutes, test the data
upload protocol conformance.
5.2.6 Power-off monitoring
When the communication link between the vehicle and the test platform is normal, and
after the vehicle completes driving or charging and then turns off the high voltage, it
shall continue to monitor and report the power battery-related data specified in 7.2.4.2
and 7.2.4.3 of GB/T 32960.3-2025.Within 1 hour after power-off, it shall continue to
monitor at a monitoring frequency of not less than 1 Hz, and report the power battery-
related data specified in 7.2.4.2 and 7.2.4.3 of GB/T 32960.3-2025 within 59 minutes
and 30 seconds to 1 hour (including at least 1 data). During the 1-hour monitoring
period, when level 3 or level 4 failure alarms in Table 24 of GB/T 32960.3-2025 are
detected, the first frame after the on-board terminal is started shall be used as the failure
alarm time point. All data items included in the vehicle model specified in 7.2.4 of GB/T
32960.3-2025 shall be reported within 30 s after the failure alarm time point, and the
information sampling period shall not exceed 1s. The format and definition of level 3
failure alarm data shall meet the requirements of Table 23 of GB/T 32960.3-2025.
5.2.7 Platform login and logout
The client platform logs in and out of the test platform, during which the client platform
forwards the vehicle's real-time information to the test platform.
The forwarding test is divided into. vehicle login and logout, failure alarm, data resend,
alarm resend, vehicle charging, and enterprise platform login and logout.
6.2 Communication protocol function test
6.2.1 Vehicle login and logout test
The vehicle sends a vehicle login message to the test platform to determine whether the
vehicle login data format and definition meet the requirements of Table 6 of GB/T
32960.3-2025.After successful login, the vehicle reports real-time information to the
test platform to determine whether the real-time information reporting data format and
definition meet the requirements of 7.2 of GB/T 32960.3-2025.The time for real-time
information reporting shall be greater than 1 minute and the maximum reporting cycle
shall not exceed 30 seconds. Before the vehicle goes into hibernation, it sends a vehicle
logout message to the test platform to determine whether the vehicle logout message
data format and definition meet the requirements of Table 28 in GB/T 32960.3-2025.
Repeat the above steps 3 times. For the vehicle login and logout tests, conduct direct
connection test and forwarding test, respectively.
6.2.2 Failure alarm test
When the communication link between the vehicle and the test platform is normal,
trigger a level 3 or 4 failure alarm 1 minute after real-time information transmission;
determine whether the alarm data format and definition meet the requirements of Table
23 in GB/T 32960.3-2025; determine whether the alarm flag definition meets the
requirements of Table 24 in GB/T 32960.3-2025, and the alarm level is level 3 or 4;
determine whether the vehicle reports all data items included in the vehicle model from
30 seconds before the failure occurrence to the alarm release time period, and the
information sampling period is no more than 1 second, and the data before the failure
occurs is transmitted in the form of resending. For the failure alarm test, conduct direct
connection test and forwarding test, respectively.
6.2.3 Data resend test
When the communication link between the vehicle and the test platform is normal, if
the real-time information transmission exceeds 1 minute, the vehicle is triggered to go
offline. When the vehicle remains offline for more than 5 minutes, and after the vehicle
resumes communication, the data during the offline period shall be uploaded to the test
platform in the form of resending. Determine whether the data format meets the
requirements of Table 7 in GB/T 32960.3-2025, and whether the information type meets
the requirements of Table 9 in GB/T 32960.3-2025.The maximum time period for
resending information reporting shall not exceed 30 seconds. For the data resend test,
conduct direct connection test and forwarding test, respectively.
6.2.4 Alarm resend test
When the communication link between the vehicle and the test platform is normal,
trigger vehicle offline when the real-time information transmission exceeds 1 minute;
after 2 minutes of being offline, trigger any of the level 3 or level 4 failure alarms in
Table 24 of GB/T 32960.3-2025; when the vehicle is offline for more than 5 minutes,
and the vehicle restores communication, determine whether the data during the offline
period is uploaded to the test platform in the form of resending. During the offline
period, the data sampling period from 30 seconds before the level 3 or level 4 failure
alarm point to the alarm release time period shall not exceed 1 second. The time period
for resending information reporting during the rest of the time shall not exceed 30
seconds. Determine whether the resent data format meets the requirements of Table 7
in GB/T 32960.3-2025; determine whether the information type meets the requirements
of Table 9 in GB/T 32960.3-2025; determine whether the level 3 or level 4 failure alarm
data format and definition meet the requirements of Table 23 in GB/T 32960.3-2025.
For the alarm resend test, conduct direct connection test and forwarding test,
respectively.
6.2.5 Vehicle charging test
When the communication link between the vehicle and the test platform is normal, the
real-time information reporting data shall meet the requirements of 7.2 in GB/T
32960.3-2025.The test conditions are that the charging time is greater than 15 minutes,
or charging for more than 5 minutes to make the vehicle SOC reach 100%. For the
vehicle charging test, conduct direct connection test and forwarding test, respectively.
6.2.6 Power-off monitoring test
When the communication link between the vehicle and the test platform is normal, and
after the vehicle has completed driving or charging and has been powered off, monitor
it for 1 hour. During the 1-hour monitoring period, randomly trigger the level 3 failure
alarm in Table 24 of GB/T 32960.3-2025 to determine whether the vehicle can use the
first frame after the on-board terminal is started as the failure alarm time point. Within
30 seconds after the failure alarm time point, all data items included in the vehicle
model specified in 7.2.4 of GB/T 32960.3-2025 shall be reported, and the information
sampling period shall be no more than 1 second. Determine whether the level 3 failure
alarm data format and definition meet the requirements of Table 23 of GB/T 32960.3-
2025.For the power-off monitoring test, conduct direct connection test only.
6.2.7 Platform login and logout test
The client platform sends a platform login message to the test platform to determine
whether the message format meets the requirements of Table 29 in GB/T 32960.3-2025.
The client platform sends a platform logout message to the test platform to determine
whether the message format meets the requirements of Table 30 in GB/T 32960.3-2025.
For the platform login and logout test, conduct forwarding test only.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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