Hey guys. I'm new here. I'm from Brazil. I got a Volkswagen car and it use a Magneti Marelli IAW 1AVP ecu. There are only 3 wires on the obd connector: Pin 4, 16 and 7. I tried these common obd2 scanner on it but it cant connect to the ECU. I tried like 10 apps since I heard that some apps cant conn...