FCAR F3SN USER MANUAL
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3. Operation Guide
3.1 Power and Testing Cable
Connection
3.1.1 Main Unit Power Supply
Four methods of power supply are available.
①
Power adapter.
②
Main testing cable, connector and vehicle
diagnostic socket.
③
Connection of cigarette lighter with vehicle.
④
Connection of battery terminal line with vehicle
battery.
3.1.2
Cable Connection Method
If the diagnostic socket is not equipped with power
supply, methods
①
③
④
can be chose as one of
these three power connection methods to provide
power for the main unit.
If the diagnostic socket is equipped with power, users
do not need to connect another power cord.
The prerequisites for vehicle:
1. Confirm the diagnostic socket location, shape, and
whether there is a need for external power supply.
2. Select the appropriate connector base on vehicle
model and shape of diagnostic socket.
3. Connect one end of the main testing cable to the
other end of main unit diagnostic connector.
4. Plug diagnostic connector that connected with the
main testing cable into the vehicle diagnostic socket.
5. Confirm the main unit with power and start it up.
Remark: Diagnostic interface is the standard OBD-II interface. During the connection, two ends of testing
cable are required to separately connect with OBD-II connector and main unit, plugging OBD-II
