How many pins does an OBD2 connector have?
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.
Which pin is power on OBD2?
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 J1962 connector?
The SAE J1962 diagnostic connector consists of two mating connectors, the vehicle connector and the test equipment connector. These functional requirements are separated into three principal areas: connector design, connector terminal assignments, and connector electrical interface requirements.
What is the difference between OBD 1 and OBD2?
OBD1 is connected to the console of a car, while OBD2 is remotely connected to the vehicle. 2. OBD1 was used during the earlier years of the car manufacturing industry, while OBD2 was only introduced in car models produced in the early 1990’s.
Will OBD2 read OBD1?
Typically obd2 scanners can not read obd 1 data, even with an adapter cable. If your looking to just pull codes then jumpering terminals A and B at the ALDL connector under the dash and counting the check engine light flashes is the most reliable way to get codes from and obd1 gm.
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.
CAN OBD2 Reader read OBD1?
You have to have a reader which will read OBD-I. Some readers, like the Innova 3140 will read both, and comes with all of the adapters to attach to the “older” vehicles.
What is an OBD2 connector?
An obd connector is used to help you connect your pc/mac/mobile from where the obd software is installed to your car obd system, then your pc/mac/mobile will be able to scan your car to diagnose problems.
What is OBD II connector?
The OBD connector is an area within your car engine system which allows for the connection and reading of the eventual data by the OBD scan tool user. In the old car versions, it was placed somewhere on the car dashboard. However, in the modern car, the OBD 2 connector is found below the drivers’ seat.
What is a data link connector?
The DLC, or Data Link Connector is an OBD II , 16 pin standard connector used in all automobiles manufactured since 1996. In today’s vehicles, it’s in constant communication with the CAN, or Computer Area Network, and provides a standard connection for automotive technicians to tap into and diagnose different onboard computers.