(IronVortex92 Wrote: thank you i've already seen this book. But there are lot of theory.i need more practical explanation. i'm an electronic technicien (computer, lcd, smartphone) i want to repair the electronic car.I want a book that explains the maintenance procedures in order to acquire a good solid foundation in the methods of automotive diagnosis: test the sensors; Test actuators, troubleshoot with an electrical scheme. ...in my searching i ve found Bosch Automotive Electrics and Automotive Electronics it seems goodHello .. Have you got the book? It is exactly what I am looking for.Thank you)