Golf GL L4-2.0L (AZG) (2001)
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Connect VAS 5051/1 or VAS 5051/3 diagnostic wire to Data Link Connector (DLC)
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Switch on ignition.
Select operating mode, vehicle system and function:
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Press "Vehicle Self-Diagnosis" selection on display.
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Select the vehicle system to be tested on display (touch screen).
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Select the desired function on display.
Display will indicate the control module identification and the coding.
Display will indicate all relevant diagnostic functions.
NOTE:
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Display fields in functions 04 (Basic setting) and 08 (Read Measuring Value Block) are listed from top to bottom.
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The following test sequences are described for the VAG 1551 Scan Tool (ST).
VAG 1551, connecting
Test requirements:
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All fuses OK according to wiring diagram.
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Battery voltage must be at least 11.5 volts.
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Connect VAG 1551 Scan Tool (ST) with VAG 1551/3B cable to Data Link Connector (DLC).
NOTE:
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If nothing is indicated on display, check voltage supply for VAG 1551 scan tool according to wiring diagram.
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Depending on the program, additional operating information can be printed out by pressing the HELP button of the VAG 1551 scan tool.
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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.