Which pin is power on OBD2?

Pin 16 on the ODB-II connector is specified as “Battery Power” or “Battery Positive”. There will always be 12v power between pin 4 and 16. Note that pin 5 has “ground” in the description, but that is just for the communication signalling and not for power.

Are all OBD2 pins the same?

All OBD-II pinouts use the same connector, but different pins are used with the exception of pin 4 (battery ground) and pin 16 (battery positive).

Does my car have odb2?

All cars and light trucks built and sold in the United States after January 1, 1996 were required to be OBD II equipped. In general, this means all 1996 model year cars and light trucks are compliant, even if built in late 1995. 2) There will be a note on a sticker or nameplate under the hood: “OBD II compliant”.

Where to find the OBD II connector pinout?

OBD II Connector Pinout Auterra’s Windows PC, Android and DashDyno SPD scan tools support all OBD II protocols. The OBD II connector is typically located inside the vehicle under the dashboard on the drivers side.

What is the OBD connector used for in a car?

This complete system is called as an ECU ( Engine Control Unit ). This OBD connector is meant to be used only by the service guy to monitor the health of your Car and provide diagnosis. Apart from this it is also controls the warning lights on your Cars dashboard.

Where is the stn1110 OBD connector located?

The position of the port varies based on the manufacturer and is normally hidden in a blind spot for aesthetic reasons. Once you find the port hook up the connector and connect the other end to STN1110 OBD UART board.

What are the protocols for the OBD-II interface?

There are five protocols in use with the OBD-II interface, and often it is possible to make an educated guess about the protocol in use based on which pins are present on the J1962 connector: ISO 9141-2. This protocol has a data rate of 10.4 kbaud, and is similar to RS-232.