Testing - Toro 22317 Service Manual

Testing

1. Make sure there is power from the battery.
2. Disconnect the wire harness connector from the fuel
stop solenoid to prevent the engine from starting.
3. Place ignition switch in the RUN position. Verify the
following while in the RUN position:
A. Glow plug indicator light is on.
B. Glow plug relay is energized.
C. Glow plugs are energized.
D. Glow plug indicator light goes out and glow
plugs de-energized after approximately 6
seconds.
4. Place ignition switch in the START position. Verify
the following while in the START position.
A. Glow plug indicator light is out.
B. Glow plug relay is energized.
C. Glow plugs are energized.
D. Power exists at terminal 1 of the glow controller
(Fig. 2060).
Note: If there is no power at terminal 1 of the glow
controller, verify continuity of the circuitry
from the ignition switch to the controller and
perform Step 4 again.
3
2
1
Toro Wheeled CUL Service Manual
4-PAW DIESEL/ELECTRICAL
6
5
4
Fig. 2060 IMG-0573a
5. If any of the conditions in Step 3 are not met or
power to terminal 1 exists and any of the other
conditions in Step 4 are not met:
A. Verify continuity of the circuitry from the battery
to the glow plug relay and glow plugs.
B. Verify continuity of the circuitry from the battery
to ignition switch, glow controller, glow plug
indicator light, glow plug relay, and ground.
C. Replace parts as necessary.
6. Plug the fuel stop solenoid connector back into the
harness connector.
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