9 Pin Diagnostic Connector Wiring Diagram

3 11can a vehicle have j1939 but not have a 9 pin diagnostic connector.

9 pin diagnostic connector wiring diagram. 3 9 what is each pin in the diagnostic connector for. Contact k line of the electronic control unit ecu ecu engine hfm sfi dfi lh sfi ifi. In most data link troubleshooting text books this is an acceptable. Power pin 15 or circuit 87.

3 8 which connector pins are j1939 and j1939. Me sfi part right. The pinout of the diagnostic connector mercedes 38 pin. A wiring diagram is a streamlined conventional pictorial depiction of an electric circuit.

It reveals the components of the circuit as simplified forms and the power and also signal connections in between the tools. What can i do to make pinout measurements easier. The pinout for this plug is given in the diagram and the vms data wires can be spliced into the data wires on this plug. Ground 9 6 6 25 9 9 9 9 6 6 9 6 6 11 power 9 32vdc 10 8 8 23 10 10 10 10 8 8 10 8 j1708 lo 11 14 14 4 11 11 11 11 14 14 11 14 14 12.

3 12where can i find wiring diagrams for j1939. The trucks that were checked had measurements that were about 65 to 68 ohms on pins c and d of the 9 pin data link connector. Output power circuit 30. J1939 data will require the data c wire pair and a 9 pin diagnostic plug.

Unlike the obd i connector which was found under the hood of the vehicle the obd ii connector is located on the driver s side of the passenger compartment near the center console. The obd ii specification provides for a standartized hardware interface the female 16 pin 2x8 j1962 connector. Variety of d sub 9 pin connector wiring diagram. Nine pin diagnostic a ground b power c j1939 data.