User's Manual

G-scan2 User Manual
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to the different pins, please select “Configuration” button in the bottom right, and change the
settings accordingly.
B. Select “OK”, then the OBD2 connector pin numbers that the signals are being transmitted
are indicated, and “Indicator lamps” illuminate in turn.
The illuminating “Indicator lamp” indicates that the change of voltage is being sensed from
the communication lines as illustrated below.
If the lamps are not flashing, check the IG Key ON status and the OBD2 connector’s signal
pin assignment, then make closer inspection on the circuit.
This function offers ability to test the communication of the vehicle’s control system indirectly.
Please mind that the result of this function may differ from the direct reading from the
communication lines, because the function is not measuring the voltage from the
communication lines, but indirectly senses the voltage fluctuations through the OBD2 socket.