Blink code
WARNING: This page is about a different car, the 1995 Volkswagen Jetta III, 1995 Volkswagen GTI, and 1994 Volkswagen Jetta III. However, it is still accessible from the selected car via links, so may be relevant.
Malfunctions stored in DTC Memory can also be checked and displayed with blink codes using the special OBD-1 diagnostic tool. See Diagnostic Trouble Code (DTC) memory, checking