Work sequence

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 1999 Volkswagen Jetta, 1999 Volkswagen GTI, 1998 Volkswagen Jetta, 1998 Volkswagen GTI, and 1997 Volkswagen Jetta. However, it is still accessible from the selected car via links, so may be relevant.

Connect VAG 1551/1552 scan tool and select "Engine Electronics" address word 01. See VAG 1551 SCAN TOOL (ST), CONNECTING AND SELECTING "ENGINE ELECTRONICS" ADDRESS WORD 01 . When doing this the engine must be running at idle speed.

NOTE: If engine does not start, operate starter for approx. 6 seconds and then do not switch ignition off.

Switch printer on with PRINT button (warning lamp in button lights up).

Indicated on display

Fig 1: Identifying Scan Tool Display - Function 02 (Rapid Data Transfer)

Press buttons -0- and -2- to select "Check DTC Memory" function 02 and press -Q- button to confirm input.

The number of malfunctions stored or "No DTC recognized" will be shown on the display.

Fig 2: Identifying Scan Tool Display - Function 02 (DTC Recognized)

NOTE: If something different is indicated on the display: see VAG 1551 scan tool operating instructions

If one or more malfunctions are stored, the malfunctions stored will be displayed and printed out one after the other.

Locate and eliminate malfunctions printed out as per Diagnostic Trouble Code (DTC) table. See DIAGNOSTIC TROUBLE CODE (DTC) TABLE .

NOTE: If no malfunction is stored:

Press --> button.

Indicated on display

Fig 3: Identifying Scan Tool Display - Function 02 (Rapid Data Transfer)

Press buttons -0- and -6- to select "End Output" function 06 and press -Q- button to confirm input.
Erasing DTC: see ERASE DTC MEMORY (SCAN TOOL FUNCTION 05) .