wHAT DOES THE CODE KWP2000 MEAN

KWP 2000 this is just a communication protocol. When the scan tool is plugged into the OBD port it uses a set amount of communication dialog to communicate with the ECM. Majority of time when a scan tool can not communicate with the vehicles ECM , check the fuse for this condition which would be for a Toyota listed as OBD which is a 7.5 amp fuse located is under the driver side dash area, from under the dash with the fuse cover removed. Read more: http://www.autocodes.com/qa/40015/what-does- iso9141-and-kwp2000-means-on-corolla-xrs-2009

Iso9141 means what happens

hello, I made an Arduino library for the Keyword Protocol 2000 to make simpler the communication with motorbikes and cars https://github.com/aster94/Keyword-Protocol-2000 see the link for more information!