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What is EOBD

What is EOBD?


EOBD is an abbreviation of European On-Board Diagnostics.

Since 1 Jan 2001 All petrol cars sold within Europe, and diesel cars manufactured from 2003, must have on-board diagnostic systems to monitor engine emissions.

These systems were introduced in line with European Directive 98/69/EC to monitor and reduce emissions from cars.

All such cars must also have a standard EOBD diagnostic socket that provides access to this system (as shown below).

 

Standard pin out description is as follow: 


2

J1850 Bus+

4

Chassis Ground

5

Signal Ground

6

CAN High (J-2284)

7

ISO 9141-2 K Line and ISO/DIS 14230-4

10

J1850 Bus

14

CAN Low (J-2284)

15

ISO 9141-2 L Line and ISO/DIS 14230-4

16

Battery power




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