A8 Sedan V8-3.7L (AEW) (1997)
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If nothing is indicated on display, check diagnostic connection.
Refer to Electrical Wiring Diagrams
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The PRINT button is used for switching on the printer. Indicator lamp in the button comes on when printer is switched on.
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Depending on the program, additional operating information can be printed out by pressing the HELP button of the VAG1551 scan tool.
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Switch ignition on.
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Switch printer on by pressing PRINT button on scan tool.
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Press button -1- to select "Rapid data transfer" operating mode 1.
Indicated on display:
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Press buttons -O- and -3- for address word "Brake electronics".
Indicated on display:
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Confirm input using the -Q- button.
Rapid data transfer Scan tool sends address word 03
Indicated on display after entering address word 03:
Note: If communication cannot be established between the VAG1551 Scan Tool (ST) and control module:
Refer to Powertrain Management, Basic information regarding On Board Diagnostic (OBD); VAG1551 Scan Tool (ST), connecting and selecting
address words