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Home >> Volkswagen >> 1991 >> Corrado L4-1781cc 1.8L SOHC SC >> Repair and Diagnosis >> Powertrain Management >> Ignition System >> Hall Effect Sensor >> Testing and Inspection >> Function, Checking
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Function, Checking

Hall sender function, checking

- disconnect harness connector from fuel injector wiring guide
- loosen rubber boot on Hall sender connector (on ignition distributor)



- slide boot up wiring to expose harness connector terminals (while leaving connector connected)

- connect US 1115 LED tester to center and outside wires of connector (using VW 1594 adaptor kit)
- operate starter while watching LED tester
- LED must flicker

If NO
- replace Hall sender(in distributor).
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