Beetle L4-2.0L (AEG) (2000)
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Disconnect 5-pin harness connector -1- from ignition coil power output stage -2-.
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Disconnect harness connector -1- from connection on all fuel injectors.
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Connect VAG 1527B Voltage tester to cyl. 1 connector terminals using jumper wires from VW 1594 adaptor kit.
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Operate starter and check Voltage supply for cyl. 1 injector.
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LED must flicker
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Repeat check at fuel injector connectors for cyls. 2 to 4.
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Switch OFF ignition.
If LED does not flicker with any cylinder
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Connect Voltage tester to cyl. 1 fuel injector connector between terminal 1 and Ground.
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Operate starter.
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LED must light up
If LED does not light up
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Switch OFF ignition.
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Check for open circuit between 2-pin harness connector terminal 1 and fuel pump relay J17 using Wiring diagram.
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Wire resistance: 1.5 Ohms maximum
If LED flickers on one or several cylinders