Honda Acura NSX 1991 Service Manual page 1095

1 . Check that there is continuity between the slip rings.
2. Check that there is no continuity between the rings
and the rotor or rotor shaft.
R GS
SLIP IN
3. If the rotor fails either continuity check, replace it.
ROTOR SHAFT
ROTOR
1 . Check that there is continuity between each pair of
leads.
2. Check that there is no continuity between each lead
and the coil core.
COIL'CORE
3. If the coil fails either continuity check, replace the
LEADS