What is an OBD2 connector?

The OBD2 port is a trapezoid-shaped connector that is universal across all makes and models allowing any code reader to be used in any OBD2-equipped vehicle, which is 1996-newer gasoline-powered passenger vehicles and 2008-newer diesel vehicles.

What is the meaning of OBD2?

On-Board Diagnostic II
OBD II is an acronym for On-Board Diagnostic II, the second generation of on-board self-diagnostic equipment requirements for light- and medium-duty California vehicles.

How does the OBD2 work?

An OBD2 automotive scanner connects to the car’s diagnostic port located in the driver area. They connect to a mobile app on your smartphone via Bluetooth or Wi-Fi. The app can read and interpret stored error codes. It can also delete error codes once the fault has been rectified.

How many pins are in an OBD2 port?

16 pin
Each protocol uses different pins to communicate with external scan tools. Some pins are mandatory, and some are optional, depending on the vehicle’s protocol. The connector may have other pins populated that are unimportant. The OBD II connector has 16 pin locations which are numbered as shown below.

What is the OBD2 port used for?

The On-Board Diagnostics II (OBD-II) port is used to access the vehicle’s computer for various tasks, such as emissions tests and diagnostics. The OBD-II port is where the Hum System is installed so that the network can communicate with the vehicle directly.

What data does OBD2 provide?

OBD-II offers a standard way to access many types of data, including:

• Real-time parameters: RPM, speed, pedal position, spark advance, airflow rate, coolant temperature, etc.
• Status of “Check Engine” light.
• Emission readiness status.
• Freeze frame: a “snapshot” of parameters at the time a trouble event has occurred.

What is OBD construction?

OBD means on-board diagnostic system and BP represents back propagation. Source publication.