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17
4 DIAGNOSIS
The diagnostic application can read ECU information, read and clear DTC
and check living data and freeze frames. The diagnosis application can
access the electronic control unit (ECU) of various vehicle control systems,
including the engine, transmission, anti-lock braking system (ABS), airbag
system (SRS), and perform kinds of actuation tests.
4.1. VEHICLE CONNECTION
The diagnosis operation needs to connect the D8 BT smart diagnosis system
to a vehicle first so that the tablet can establish correct vehicle
communication.
⚫ Please perform the following steps:
1. Start the tablet
2. Plug the VCI box into the OBD port on the vehicle, the red light of the
VCI box indicates that the power is on
3. Connect the tablet to the VCI box via Bluetooth in Settings after 5
seconds, and the blue lights indicate that the connection is successful
4. Turn on the ignition switch and click the diagnostic App to test the
vehicle. When the car interacts with the diagnostic program, the VCI
box flashes green
The connection method is shown in the figure below:
Figure 4-1 Sample of How to Connect Device to Vehicle
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