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. Nine pin diagnostic a ground b power c j1939 data. What can i do to make pinout measurements easier. 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 9 what is each pin in the diagnostic connector for.
The obd ii specification provides for a standartized hardware interface the female 16 pin 2x8 j1962 connector. 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 pinout for this plug is given in the diagram and the vms data wires can be spliced into the data wires on this plug. Output power circuit 30.
In most data link troubleshooting text books this is an acceptable. 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. It reveals the components of the circuit as simplified forms and the power and also signal connections in between the tools. A wiring diagram is a streamlined conventional pictorial depiction of an electric circuit.
Power pin 15 or circuit 87. 3 12where can i find wiring diagrams for j1939. J1939 data will require the data c wire pair and a 9 pin diagnostic plug. Transmissions will either be j1708 j1587 or j1939 depending on the model year of the coach.
3 8 which connector pins are j1939 and j1939. The pinout of the diagnostic connector mercedes 38 pin. The pinout of the diagnostic connectors. Variety of d sub 9 pin connector wiring diagram.