How to check the coil and Hall sensor on a Passat B3
A simple and quick way to check the ignition system of a Digifant (Passat B3, Audi 80, and many others).
Check the Hall sensor, ignition coil, and switch, as well as the wiring to the ECU.
If there is a spark when the Hall sensor contacts are bridged, and the multimeter shows an average value of about 5-7 volts from the signal wire, then the problem is most likely the distributor cap or rotor.
A simple and fast way to check the ignition system of a Digifant (Passat B3, Audi 80, and many others).
Check the hall sensor, ignition coil, and switch, as well as the wiring to the control unit.
If there is a spark when the contacts of the hall sensor are bridged, and the multimeter shows an average value of about 5-7 volts from the signal wire, then the problem is most likely the distributor cap or slider. A simple and fast way to check the ignition system digifant (Passat B3, Audi 80, and many others).
Check the hall sensor, ignition coil and switch, as well as wiring to the control unit.
If there is a spark when the contacts of the hall sensor are bridged, the multimeter shows an average value of about 5-7 volts from the signal wire, then the case is most likely in the distributor cover or slider.