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22
4
New Energy
The MaxiSys Ultra EV can perform comprehensive diagnostics on new energy vehicles.
After establishing communication with the ECU on a new energy vehicle through the
VCMI device, the tablet is able to read or clear DTCs, read live data, perform active test,
programming, and intelligent diagnostics, and more. The tablet can perform diagnostics
on high voltage system of new energy vehicles through communication with their
electronic control system. Based on the diagnostic results, the tablet will provide
professional maintenance suggestions to the battery and offer targeted and high-efficient
solutions.
Establish Vehicle Communication
The New Energy diagnostics operation requires connecting the MaxiSys Ultra EV to the
test vehicle through the VCMI device using the main cable V2.0. (Use the applicable
OBDI-type adapter if needed). To establish a proper vehicle communication to the tablet,
you need to perform the following steps:
1. Connect the VCMI device to the vehicle's DLC for both communication and power
source.
2. Connect the VCMI device to the tablet via BT pairing, Wi-Fi or USB connection.
3 . When the above steps are completed, check the VCMI navigation button at the
bottom bar on the screen. If a green BT, Wi-Fi or USB icon displays at the lower-
right corner, the diagnostic platform of MaxiSys Ultra EV is ready to start vehicle
diagnosis.
Vehicle Connection
The method for connecting the VCMI device to a vehicle's DLC depends on the vehicle's
configuration as follows:
A vehicle equipped with an On-board Diagnostics Two (OBDII) management system
supplies both communication and 12-volt power through a standardized J-1962 DLC.
A vehicle not equipped with an OBDII management system supplies communication
through a DLC connection, and in some cases supplies 12-volt power through the
auxiliary power outlet adapter receptacle or a connection to the vehicle battery.
OBDII Vehicle Connection
This type of connection only requires the main cable without any additional adapter.
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