BMW 1993-1999 OBD1 DIY Diagnostic without OBD Scanner
BMW OBD1 DIY Diagnostic without OBD Scanner General information Trouble codes are displayed by using an LED connected to one of the ECM terminals. The ECM fault memory can also…
Audi OBD1 1991-1996 Idiot Light Diagnostic Guide without OBD Scanner
Audi OBD1 Idiot Light Diagnostic Guide without OBD Scanner General information Trouble codes are displayed by using an LED connected to the data link connector (DLC). The ECM fault memory…
Alfa Romeo 1992-1998 OBD 1 DIY (NO SCANNER) Diagnostic Guide
Alfa Romeo 1992-1998 OBD 1 DIY (NO OBD SCANNER) Diagnostic Guide General information Engine control module (ECM) incorporates self-diagnosis function. Malfunction indicator lamp (MIL) will illuminate if certain faults…