GTI L4-1984cc 2.0L DOHC (9A) (1991)
Ignition System Testing
7.
Disconnect the Hall Sender harness connector and turn the ignition "ON".
8.
With a jumper briefly ground the center terminal of the Hall Sender harness connector.
^
The voltage at the ignition coil should briefly rise to a least 2 volts, then drop to zero volts.
If the correct results are not obtained replace the ignition power stage.