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

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