Yanmar 3TNV82A-B Service Manual page 349

Starter Motor
Magnetic Switch
If the starter motor becomes wet, replace the
magnetic switch even if the magnetic switch
assembly function is normal.
Shunt Coil Continuity Test
Check for continuity between the "S" terminal and
the switch body using a multimeter (Figure 11-21).
The multimeter should indicate continuity.
If the multimeter does not indicate continuity,
replace the magnetic switch.
Figure 11-21
TNV DI Service Manual
Series Coil Continuity Test
Check for continuity between the "S" and "M"
terminals using a multimeter (Figure 11-22). The
multimeter should indicate continuity.
If the multimeter does not indicate continuity,
replace the magnetic switch.
Coil Resistance Test
See Starter Motor Specifications on page 11-7 for
the service limit.
0000124
STARTER MOTOR
Figure 11-22
0000125
11-15