Section 12 (Engine Controls - Tests W/Codes): Introduction
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 1993 Volkswagen Fox, 1992 Volkswagen Fox, 1991 Volkswagen Fox, 1990 Volkswagen Fox, and 1989 Volkswagen Fox. However, it is still accessible from the selected car via links, so may be relevant.
If no faults were found while performing preliminary inspection procedures, proceed with self-diagnostics. If no fault codes or only pass codes are present after entering self-diagnostics, proceed to TESTS W/O CODES article for diagnosis by symptom (i.e., ROUGH IDLE, NO START, etc.).
NOTE:
Scan Tester (VAG 1551) must be used to make full use of the self-diagnostic system capabilities.