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8
①
Connect the diagnostic / programming / coding tool to the OBD2 port of GT100+. (Do not connect it to
the vehicle)
②
Select the vehicle model and functions to operate.
③
If the device can send the communication signals, the corresponding protocol indicators on the
GT100+ will be ON or blink. If the device can't send the communication signals, there will be no
indicator light on, it means the device has a connection problem or is damaged.
2.) Test the communication status between the code reader and the vehicle protocol