New Beetle GLS L4-2.0L (AVH) (2001)
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Connect diode test lamp V.A.G 1527 with adapter cables from V.A.G 1594 to:
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Terminals 1 + 2 (ignition output 1)
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Terminals 1 + 3 (ignition output 2)
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Terminals 1 + 4 (ignition output 3)
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Terminals 1 + 5 (ignition output 4)
of disconnected connector.
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Get a 2nd person to operate starter and check ignition signal from engine control module. LED must flicker
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Switch ignition off.
If the LED flickers and there is voltage between terminals 2 + 6:
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Replace ignition coils with power output stage.
LED does not flicker:
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Remove inner plenum chamber cover, left:
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Connect test box V.A.G 1598/31 to control module wiring harness. Engine control module is not connected by this action.