1999 Nissan my34
 

Hi, I got a modified Nissan, it has 1999 my34 chassis but I have tried to get a service manual and failed, engineering is manual, and runs perfectly but display is blank, display (tested it out side the car it's OK, ),please help
https://cimg9.ibsrv.net/gimg/nissanf...7709f68de8.jpg