Stator Coil - Toro 500 EFI Service Manual

2. Connect the black lead to the black wire using needle
adapters; then select 2WD on the drive select switch.

NOTE: The black tester lead can remain connected
to the black wire for the remaining tests.
3. Turn the ignition switch to the ON position. The
meter must show battery voltage.

NOTE: If battery voltage is not shown, troubleshoot
the 10 amp ignition (IGN) fuse on the power distribu-
tion module, the ignition switch, or the main wiring
harness.
4. Connect the red meter lead to the white/red wire. The
meter must show battery voltage.
5. Select 4WD on the drive select switch. The meter
must show 0 DC volts.
6. Connect the red meter lead to the white/orange wire.
The meter must show battery voltage.
7. Engage the differential lock. The meter must show 0
DC volts.

NOTE: If the meter does not show 0 DC volts, rock
the vehicle to help engage the differential lock; then
troubleshoot the differential lock switch.
VOLTAGE (AC Generator - Regulated
Output)
1. Set the meter selector to the DC Voltage position.
2. Connect the red tester lead to the positive battery
post; then connect the black tester lead to the nega-
tive battery post.
3. With the vehicle in neutral and the engine running as
PR293
shown in the chart (with the headlights on), the meter
must show 14-15.5 DC volts.
MODEL
500
700
Do not run the engine at high RPM for more than 10 sec-
onds.

NOTE: If voltage is lower than specified, test AC
Generator - No Load.
VOLTAGE (AC Generator - No Load)
The connector is the black three-pin one on the right side
PR295
below the ignition coil.

NOTE: Test the connector coming from the engine.
1. Set the meter selector to the AC Voltage position.
2. Test between the three yellow wires for a total of
three tests.
3. With the engine running at a constant 5000 RPM, all
wire tests must be within specification
Do not run the engine at high RPM for more than 10 sec-
onds.

NOTE: If both stator coil tests failed, check all con-
nections, etc., and test again. If no voltage is present,
replace the stator coil assembly.

Stator Coil

RPM
3000
5000
CAUTION
CAUTION
HDX150A
133