Troubleshooting settings
Scan fault code:
Scan whether the car is faulty and display faulty code
Clear fault code:
When the car has a faulty code display, short press in to clear it
Read data stream:
Display all data in the car engine
OBD FAQ
：
1.The screen without any display, and no power
Check whether the OBD cable is tight connection, pull down repeatedly to confirm,
please try it on another car if still not workable, analysis if it is a cause from OBD
diagnostic interface, if yes, please repair it and connect the device again.
2.Only the car voltage displays and be automatic power off after 30 second
(1) This product is only available for OBDII and EOBD cars when it is in OBD2 mode.
(2) Year of car production (Suitable for cars produced after 2008).
(3)This product OBD2 mode does not support OBD I and JOBD.
(4) Switch to the GPS system using the USB cable to display, within 5 seconds of
power press right to select the GPS system.
3.There is an error between the vehicle speed and the dashboard display
Please check whether the unit is correct. Kilometer KM/mile MPH (reference setting
item for speed unit switching)
The speed unit is correct when the power is turned on: long press in to enter the
setting, press right to select the speed error adjustment for fine-tuning (e.g.
instrument display 100 Km/h HUD shows 105Km/h, use default value 107-5=102)
4. There is an error in fuel consumption
(1) Checking your car displacement and make sure that the engine displacement of
the device is as same as your car’s(e.g. car is 2.0L,please set parameter value to 2.0L)
(2) if the displacement is the same, you can also do a fine-tuning settings(e.g.
equipment fuel is higher than 0.2L,please set the parameter to 98%)
Recommended: fine-tuning is optional since it is a real data from car computer
5.This HUD cannot auto shut down
After the car engine stops,the RPM on the HUD can not be turned off,please set
voltage to 13.2V or 13.6V,so that the car can be turn off after 3 minutes.
6. Step on the brakes and wait for the traffic light to turn off the machine and
automatically start and stop the car.
Adjust the shutdown voltage setting in the system settings to COM mode