Yoke Assembly; Magnetic Switch; Wiring Damage Of Field Coil; Ground Of Field Coil - Mazda MX-5 1990 Workshop Manual

G
G-28
STARTING SYSTEM
05UOGX-072
05UOGX-073
Yoke assembly
1. Wiring damage of field coil
(1) Check for continuity between the connector and the
brushes with an ohmmeter.
(2) Replace the yoke assembly if there is no continuity.
2. Ground of field coil
(1) Check for no continuity between the connector and the
yoke with an ohmmeter.
(2) Repair or replace the yoke assembly if there is continuity_
3. Installation of field coil
Replace the yoke assembly if the field coil is loose.
Magnetic Switch
1. Wiring damage (S terminal - M terminal)
Check for continuity between terminal S and terminal M with
an ohmmeter. Replace the magnetic switch if there is no
continuity.
2. Wiring damage (8 terminal - body)
Check for continuity between terminal S and the body with
an ohmmeter.
Replace the magnetic switch if there is no continuity.
Brush and Brush Holder
Insulation of brush
hol~er
Check for no continuity between each insulated brush and the
plate with an ohmmeter_ Replace the brush holder if there is
continuity.