Passat Wagon L4-1781cc 1.8L Turbo (AEB) (1998)
NOTE: It is possible that several gear changes must be performed before the Display in Display zone 3 jumps to 0 because the signal from the
automatic transmission is very brief
If specification obtained
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Press -> button.
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Press 0 and 6 buttons to select Function 06: "End data transfer"
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Press Q button to enter input
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Switch OFF ignition. If display does not change:
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Connect VAG 1598/22 Test Box to Engine Control Module harness connector.
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Check wiring for open circuit between Test Box socket 23 and Automatic transmission using Wiring diagram.
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Wire resistance: Max. 1.5 Ohms