k-line

[kapadokya]

hello, I have a silly question on mpps it's written k-line and obd? k-line isn't it obd? I saw on an mpps2 video

https://www.youtube.com/watch?v=EI2hKvexCBo&t=57s
thanks davance

[ECMG]

obd (on board diagnostic) refers to the connection method meaning the mpps is connected to the 16 pin obd2 connector. k-line refers to the communication method. k-line is a single wire bus used for diagnostics which in this case is pin 7 of the obd2 connector.