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17
4 Diagnostics
The Diagnostics application can access the electronic control unit of multiple vehicle
control systems, including but not limited to the engine, transmission, anti-lock brake
system (ABS), and airbag system (SRS).
Establish Vehicle Communication and Selection
Establish Vehicle Communication
The Diagnostics operations require connecting the MaxiSys Elite II tablet to the test
vehicle through the VCI device using the Main Cable (Use the applicable OBDI adapter
if needed). To establish proper vehicle communication with the tablet, you need to
perform the following steps:
1. Connect the VCI device to the vehicle's DLC for both communication and power
source.
2. Connect the VCI device to the tablet via Bluetooth or USB connection.
3. Check the VCI navigation button at the bottom bar on the screen. If a green Bluetooth
or USB icon appears at the lower-right corner, the MaxiSys Elite II Diagnostic
Platform is ready to start vehicle diagnosis.
4.1.1.1 Vehicle Connection
The method used to connect the VCI 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 or a connection to the vehicle battery.
OBDII Vehicle Connection
This type of connection only requires the Main Cable without any additional adapter.
To connect to an OBDII vehicle
1. Connect the main cable's female adapter to the Vehicle Data Connector on the
VCI device and tighten the captive screws.
2. Connect the cable's 16-pin male adapter to the vehicle's DLC, which is generally
located under the vehicle dashboard.
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