Golf L4-2.0L (AZG) (2004)
Connect VAG 1551 Scan Tool (ST) with VAG 1551/3B cable to Data Link Connector (DLC).
If nothing is indicated on display, check voltage supply for VAG 1551 scan tool according to wiring diagram.
Depending on the program, additional operating information can be printed out by pressing the HELP button of the VAG 1551 scan tool.
Function 00 "Automatic test sequence" can be performed in operating mode 1 "Rapid data transfer". This automatically checks all control modules
installed in the vehicle.
The -> button is used for advancing through the program sequence.
The PRINT button is used for switching on the printer (lamp in button lights up).
Indicated on display (* is displayed alternately):
VAG - On Board Diagnostic
1 - Rapid data transfer*
2 - Blink code output*
Press button 1 for "Rapid data transfer".
Continue On Board Diagnostic (OBD) of vehicle system to be tested as described under "performing On Board Diagnostic (OBD).
Initiating & Checking Control Module Versions
Anti-theft Immobilizer On Board Diagnostic (OBD), Initiating And Checking Control Module Versions
If malfunctions occur in the sensors and components being monitored, they will be stored in the Diagnostic Trouble Code (DTC) memory together with
an indication of the type of malfunction.
A maximum of 4 DTCs can be stored simultaneously.
Sporadic malfunctions are automatically cancelled if they are not repeated in next 50 engine starts.
OBD must be initiated at the commencement of troubleshooting and the stored information checked with the VAG 1551/1552 Scan Tool or VAS 5051
Vehicle Diagnostic, Testing and Information System.
NOTE: The following description and illustrations deal specifically with the VAG 1551 scan tool. VAG 1552 and VAS 5051 procedures are similar.
The information displayed is used in conjunction with a DTC table which has information on the possible causes for pin-pointed repair steps.
All fuses OK according to wiring diagram
Voltage supply OK (at least 11.5 V).
Scan Tool VAG 1551 or VAG 1552 connected.
Connecting Scan Tool. Refer to "Scan Tool Testing/Scan Tool Connecting and Initial Checks" See: Instrument Panel, Gauges and Warning
Indicators/Testing and Inspection
The following description applies only to Scan Tool VAG 1551.