How to adapot original car datas by the Aftermarket car multimedia

Step 1:

• 1.Install back the factory device as original;
• 2.Supply power to the android device,let it switch on.(you can connect 12v power directly, or connect to the car's power . This is the pin definition of power wireharness, GND to ground, B+ and ACC should connect to 12V +

• 3. DO Connect the canbus jack, it is for transfer datas to the screen;

• 4.Connect the canbus wires to the original cable

Step 2:

1. Please take a picture of the oem green plug, need to see each pin, and the pin wires color.  we need to pair the wires one by one with the canbus decoder wire to adapot datas(this is prepaired)

2. need the first steps, then to prepare the following steps( not finished)

Step 3: Begin to read datas, 

1. turn left, print datas
2. turn right, print datas
3. press the knob, print datas
4. loose the knob , print datas