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Home >> Volkswagen >> 1990 >> Cabriolet Base, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Ignition Control Unit >> Ignition Control Unit (VANAGON)
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Ignition Control Unit (VANAGON)

  1. Turn ignition off. Attach DVOM to ignition coil primary terminals. Disconnect Hall Effect sender wire harness connector from distributor. Turn ignition on.
  2. While observing DVOM reading, attach center terminal of connector to ground for 3 seconds. Voltage reading should briefly increase to 4.5 volts. If voltage reading did not increase, check wiring for short or open circuit. If wiring is okay, replace ignition control unit.
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