Jetta GLX V6-2.8L (AFP) (2002)
Ignition Coil: Testing and Inspection
With Manufacturer's Scan Tool
Ignition Coils With Power Output Stage, Checking
Special tools and equipment
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VAG1598/31 test box
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Multimeter (Fluke 83 or equivalent)
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VW1594 adapter set
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VAG1527B voltage tester
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Wiring diagram
Check conditions
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Fuse 29 must be OK
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Battery voltage at least 11.5 V
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Engine speed (RPM) sensor -G28- OK. Refer under "Powertrain Management/Computers and Control Systems/Engine Speed Sensor", See:
Computers and Control Systems/Engine Speed Sensor/Testing and Inspection
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Camshaft Position (CMP) sensor -G40- OK. Refer under "Powertrain Management/Computers and Control Systems/Camshaft Position Sensor",
See: Camshaft Position Sensor/Testing and Inspection
Test sequence
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Disconnect 5-pin harness connector from ignition coil (arrow).
Checking voltage supply