Passat Sedan L4-1781cc 1.8L Turbo (AEB) (1999)
Ignition Coil: Testing and Inspection
Ignition coil power output stage, checking
Special tools, testers, measuring instruments and auxiliary items required
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VAG 1598/22 Test Box
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Fluke 83 multimeter
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VW 1594 Adaptor kit
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VAG 1527 B Voltage tester
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Wiring diagram
Checking requirements
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Battery voltage must be 11.5 Volts minimum
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Camshaft Position sensor must be OK, checking See "Camshaft Position Sensor" under "Powertrain Management", See: Camshaft Position
Sensor/Testing and Inspection
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Engine Speed sensor must be OK, checking Refer "Ignition System", See: Computers and Control Systems/Engine Speed Sensor/Testing and
Inspection.
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Fuse 32 OK.
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Ground connections, (item 6 must be OK).
Activation, checking
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Disconnect harness connector from all fuel injectors.
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Disconnect 5-pin harness connector -1- from Power Output Stage for ignition coils -2-.
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Connect VAG 1527 B Voltage tester to terminals 1 + 3 using jumper wires from VW 1594 adaptor kit.
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Operate starter and check ignition signal from ECM.
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LED must flicker
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Repeat check between terminals 2,4,5 and 3 (Ground).
If LED does not flicker:
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Check wiring
Power Output stage, checking
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Re-connect 5-pin harness connector on Power Output stage.
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Disconnect 4-pin harness connector -1- from Ignition coil Power Output Stage -2- .