Test conditions

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Battery voltage at least 11 V
Ground connections at engine and transmission OK
Fuse OK

Connect up V.A.G 1551 Scan Tool (ST) or vehicle system tester V.A.G1552 using cable V.A.G 1551/3.

Fig 1: Connecting V.A.G 1551 Scan Tool Or Vehicle System Tester V.A.G1552 Using Cable V.A.G 1551/3

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Indicated on display:

Fig 2: V.A.G 1551 Scan Tool (ST) Display - V.A.G Scan Tool (ST) Connecting (1 Of 5)

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*Displayed alternately

NOTE: If one of the adjacent messages appears on the display, perform troubleshooting in line with troubleshooting program for diagnostic wire.

Indicated on display

Fig 3: V.A.G 1551 Scan Tool (ST) Display - V.A.G Scan Tool (ST) Connecting (2 Of 5)

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Indicated on display

Fig 4: V.A.G 1551 Scan Tool (ST) Display - V.A.G Scan Tool (ST) Connecting (3 Of 5)

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Indicated on display

Fig 5: V.A.G 1551 Scan Tool (ST) Display - V.A.G Scan Tool (ST) Connecting (4 Of 5)

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NOTE: If display remains blank:

See Scan Tool operating instructions.

Press Print button to switch on printer (lamp in button lights).
Press button -1- for "Rapid data transfer".

Indicated on display:

Fig 6: V.A.G 1551 Scan Tool (ST) Display - V.A.G Scan Tool (ST) Connecting (5 Of 5)

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NOTE: Address word 00 implements automatic test sequence, i.e. the DTC memories of all vehicle systems with On Board Diagnostic (OBD) capability are checked by way of rapid data transfer.