A8L V8-4.2L (BFM) (2004)
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Connect black connector of adapter cable TRW No. YWB 4001 to diagnostic connector of original cable from tester.
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Press the "Next" button (>).
If there is no battery voltage at the diagnostic connector:
If no battery voltage is detected by VAS 5051B or VAS 5052:
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Check all connections.
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Press the "Next" button (>).
Continue in program