9 Pin Diagnostic Connector Wiring Diagram

Me sfi part right. In most data link troubleshooting text books this is an acceptable. The pinout of the diagnostic connectors.

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9 pin diagnostic connector wiring diagram. 3 10the pins are difficult to see. What can i do to make pinout measurements easier. The pinout of the diagnostic connector mercedes 38 pin. 3 11can a vehicle have j1939 but not have a 9 pin diagnostic connector.

3 12where can i find wiring diagrams for j1939. 3 9 what is each pin in the diagnostic connector for. 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. Power pin 15 or circuit 87.

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. 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. A wiring diagram is a streamlined conventional pictorial depiction of an electric circuit.

Contact k line of the electronic control unit ecu ecu engine hfm sfi dfi lh sfi ifi. 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. It reveals the components of the circuit as simplified forms and the power and also signal connections in between the tools. Output power circuit 30.

3 8 which connector pins are j1939 and j1939. 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. Nine pin diagnostic a ground b power c j1939 data. The obd ii specification provides for a standartized hardware interface the female 16 pin 2x8 j1962 connector.