3 Piin Deutsch J1939 Backbone Connector
Pin |
Value |
A |
CAN/J1939 Hi |
B |
CAN/J1939 Lo |
C |
CAN/J1939 Shield |
FCAR Jumper Box to 3 Pin mapping:
-
Pin 1 Pin 6 pin out to A (CAN+J1939 Hi, 2.6v) Pin 10 - Power LED Pin 2 Pin 7 Pin 11 Pin 14 pin out to B (CAN/J1939 - 2.4v) Pin 3 Pin 8 Pin 12 Pin 15 Pin 4 (GND-) pin out to battery nagative Pin 9 Pin 13 Pin 16 (VCC+) pin out to Battery 12v positive
in short, connect pin A to 6 and pin B to 14, pin C is CAN Shield, you can pin out to Pin 8.
When you plug property cord, you might try to use Diesel OBD at first scan to see whether it will communicate and then try to use property program to scan. From ECU information page, you will see if this is cummins engine.
If this is cummins engine, please select Diesel Engine and Cummins program to have all bi-directional feature.