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5 Diagnostics
The Diagnostics application can retrieve ECU information, read & erase DTCs, and
view live data. The Diagnostics application can access the electronic control unit (ECU)
for various vehicle control systems, including engine, transmission, antilock brake
system (ABS), and airbag system (SRS).
5.1 Establishing Vehicle Communication
Prior to performing the Diagnostics function, ensure the tablet is connected to the test
vehicle through the MaxiVCI V150.
5.1.1 Vehicle Connection
To connect the MaxiVCI V150 to the test vehicle, insert the vehicle data connector on
the MaxiVCI V150 into the vehicle’s DLC which is usually located under the vehicle
dashboard, and the MaxiVCI V150 will be automatically powered on.
NOTE
The vehicle’s DLC is not always located under the dashboard. Refer to the vehicle’s
user manual for DLC location.
5.1.2 VCI Connection
The Power/Connection LED on the MaxiVCI V150 will light solid green when properly
connected to the vehicle and be ready to establish communication with the tablet.
The wireless diagnostic interface MaxiVCI V150 can be connected to the tablet via
Bluetooth pairing, which does not need to repeat the plugging and unplugging
procedure that is unavoidable when using traditional wired connection, saving more
time and providing higher efficiency. The working range for Bluetooth communication is
about 328 feet (100 m), enabling remote vehicle diagnostics. To establish a proper
vehicle communication between the tablet and test vehicle, you can perform the
following steps:
1. Connect the MaxiVCI V150 to the vehicle’s DLC for both communication and
power supply.
2. Connect the MaxiVCI V150 to the tablet via Bluetooth pairing.
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