To read pin code from ECU, the diagnostic connector pinout is necessary to learn, therefore, I will share as follows.
1.Ford 3pin or 5pin 1989-1996 diagnostic connector pinout
5 or 3 pin Ford proprietary connector at the Ford car used in most models produced in 1989-1996’s
2.Ford old (6pin 1980-1995) diagnostic connector pinout
6 pin Ford MCU/EEC connector at the Ford car
3.Ford and Mazda old diagnostic Mazda MECS connector pinout
6 pin Ford Mazda MECS proprietary connector at the Ford car used in some Ford and Mazda models of 1988-1995’s
People who read this post may be interested in Ford Mazda incode calculator FMPC001, which can calculate incode according to outcode when you make key for Ford and Mazda.