Toro Groundsmaster 3500-G Operator's Manual page 26

1. Backlap (input)
2. High temperature (input)
3. In seat (input)
4. PTO switch (input)
5. Parking brake—off (input) 11. Power (input)
6. Neutral position (input)
Here are the logical troubleshooting steps for the SCM device.
1. Determine the output fault that you are trying to
resolve (PTO, START, or ETR).
2. Move key switch to the O
the red, power LED illuminates.
3. Move all of the input switches to ensure that all LEDs
change state.
4. Position the input devices at the appropriate position
to achieve the appropriate output.
Note: Use the following logic chart to determine the
appropriate input condition.
5. Review the following repair options if a specific output
LED illuminates.
•
If a specific output LED illuminates without the
appropriate output function, check the output
harness, connections, and component.
Note: Repair as required.
•
If a specific output LED does not illuminate, check
both fuses.
•
If a specific output LED does not illuminate and
the inputs are in the appropriate condition, install a
new SCM and determine if the fault disappears.
Figure 22
7. PTO (output)
8. Start (output)
9. ETR (output)
10. Start (input)
position and ensure that
N
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