Passat GL (2.0L)
- Connect Scan Tester (VAG 1551) to Data Link Connectors (DLC) located in center console, in front of shift lever. See Fig 1 . Attach Black connector first, wait for VAG SELF-DIAGNOSIS display, then connect White connector. DO NOT connect scan tester Blue connector.
- Turn ignition on. Operate scan tester and observe display. Press PRINT button to turn on printer. Indicator light on button should come on. Press "1" button to select RAPID DATA TRANSFER function.
- Press "0" and "1" buttons to select ENGINE ELECTRONICS function. Press "Q" button to enter input. Press right arrow button, then "0" and "2" buttons to select CHECK FAULT MEMORY function. Press "Q" button to enter input.
- Scan tester will display malfunction numbers (if any). If NO FAULTS RECOGNIZED is displayed, press right arrow button to return to RAPID DATA TRANSFER function. Press "0" and "6" buttons to select END OUTPUT function. Press "Q" button to enter input.
Courtesy of VOLKSWAGEN UNITED STATES, INC.
NOTE: On Passat GL (2.0L), if ignition is turned off between reading and erasing DTC memory, DTC memory (fault codes) will not be erased. - If one or more DTCs are stored, look up DTCs and repair as necessary. After repairs, press "0" and "5" buttons to select ERASE DTC MEMORY function. Press "Q" button to enter input. After DTCs are erased, press right arrow button.
- Press "0" and "6" buttons to select END OUTPUT function. Press "Q" button to enter input. Test drive vehicle for at least 5 minutes. During test drive, ensure that engine coolant temperature reaches 176°F (80°C).
- Ensure that accelerator pedal is momentarily, but completely pushed down (wide open throttle) at least once. Ensure engine speed reaches at least 3000 RPM. Select READ FAULT MEMORY function once again to ensure DTCs (malfunctions) have been cleared (corrected).