Pin 16
OBD-II Pin Configurations and Protocols Pin 16 supplies power and is connected to the battery of the car. Pins 4 and 5 are connected to ground. Pins 6 and 14 are connected to CAN Bus High and CAN Bus Low signals respectively.

What is K line and L line?

The K-Line is suitable for both on-board and off- board diagnostics. K-Line is a bidirectional line. Line-L is a unidirectional line and used only during initialization to convey address information from the diagnostic tester to vehicle ECUs, simultaneously with the K line.

How many pins is OBD1?

16 pins
It is used for GM vehicles and its GM 12 pins allows you to connect a GM vehicle with a OBD1 12 pins socket with your existing OBD2 16 pins tool.

Does the OBD2 port always have power?

The connector will always have power on these two pins regardless of the key position, and when you plug a device into the port it will have power and may come on by itself (many scanners do this). However, this is only power and you won’t be able to communicate with the car.

What is K line in OBD?

Technical Information. The K-Line is a very low-speed single-wire serial communication system used on many motor vehicles and commercial vehicles. It is commonly used for the diagnostic connections between the Electronic Control Modules (ECMs) on the vehicle and the diagnostic equipment (scan tools and data loggers).

How many pins does the data link connector have?

The DLC or Data Link Connector is an OBD II, 16 pin, standard connector used in all automobiles manufactured since 1996.

What are the pins on an OBD 2 connector?

OBD-2 connector must have pins 4, 5 for ground connections and pin 16 for 12 volt power supply from the vehicle battery. What is OBD DTC? Prior to OBD, auto manufacturers did not standardize DTC’s (diagnostic trouble code).

What is OBD2 cable wiring scheme?

connector or cable wiring scheme OBD stands for on-board diagnostics and defines the modern fuel managed vehicle’s electronic interface system. 16 pin car OBD2 special connector at the car side.

How many protocols are in use with 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:

What does OBD2 stand for?

connector or cable wiring scheme OBD stands for on-board diagnostics and defines the modern fuel managed vehicle’s electronic interface system. 16 pin car OBD2 special connector at the car side