Pto Switch - Toro TITAN Service Manual

Starter Solenoid Testing

PTO Switch

Electrical: Service and Repairs
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1. Disconnect the battery cables from the solenoid.
2. With a multi-meter set to the OHM or Continuity setting, check to ensure that
terminals C and D are open (no continuity).
• Green wire is terminal B
• Blue wire is terminal A
• Large red wire with red cap and extra red wire is terminal C
• Large red wire with no cap is terminal D
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3. Apply 12 volts (DC) to terminal A and ground terminal B. Terminals C and D
should now be closed (continuity).
The PTO switch provides battery voltage from the ignition switch to the PTO
clutch.
As part of the safety interlock system, the PTO switch will prevent the engine
from cranking/starting when in the ON position by preventing the starter solenoid
from grounding through the kill relay.
Figure 91
Figure 92
Page 8–8 Titan Service Manual
3438-774 Rev A