Description
OBD2 Female Connector Mapout24 OBDII:
obd connector OBD2 Female connector on a car obd connector (Female) pinout – Also has front view The OBDII 16 pin obd2 connector, diagnostic connector, obd2 scanner specification provides for a standardized hardware interface—the female 16-pin (2×8) J1962 connector. Unlike the OBDII connector, which was sometimes found under the hood of the vehicle, the obd2 scanner OBDII connector is required to be within 2 feet (0.61 m) of the steering wheel (unless an exemption is applied for by the manufacturer, in which case it is still somewhere within reach of the driver). SAE J1962 defines the pinout of the connector as:
OBD2 Female Connector PINOut:
OBD2 Female Connector Pinout Configuration
| Pin Number | Pin Name | Description |
| 1,3,8,9,11,12,13 | Blank | These pins are not standard and are vendor-specific. It is also not required for normal communication/interfacing |
| 2 | SAE J1850 Bus+ | This protocol also uses Variable Pulse Width and is normally used by GM vehicles. This is the Bus positive pin of the protocol. |
| 10 | SAE J1850 Bus- | This protocol also uses Variable Pulse Width and is normally used by GM vehicles. This is the Bus negative pin of the protocol. |
| 4,5 | Ground | The ground of complete system also has the Car including chassis |
| 6 | ISO15765-4 CAN High | It follows a 2-wire CAN protocol at 1Mbps speed. It also has the CAN high Pin |
| 14 | ISO15765-4 CAN Low | It follows a 2-wire CAN protocol at 1Mbps speed. It also has the CAN low Pin |
| 7 | ISO 9141 – K Line | It follows asynchronous serial communication protocol, tIt also has the Kline Pin |
| 8 | ISO 9141 – L Line | It follows asynchronous serial communication protocol, It also has the L line Pin |
Universal OBD2 Connectors
What Is Universal OBD(Universal OBD2 Female Connector ):
It is also an improvement over OBD-II in both capability and standardization. The OBD Female Connector standard specifies the type of diagnostic connector and its pinout, the electrical signaling protocols available. It also the messaging format. It also provides a candidate list of vehicle parameters to monitor along with how to encode the data for each. There is a pin in the connector that provides power for the scan tool from the vehicle battery, which moreover eliminates the need to connect a scan tool to a power source separately.
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