Service Manual

ELECTRICAL
7-16
Toro TimeCutter SS/MX/ZS Service Manual
7
PTO Circuit & Operation
- The PTO clutch is powered by the Push/Pull PTO
switch.
- The PTO clutch is grounded through the Brake
Actuator Module.
- The PTO Clutch will only engage when:
• The ignition key switch is in the ON position
(engine running or not).
• The PTO switch is in the ON position sending
battery voltage to the PTO clutch.
• The PTO switch is in the ON position removing
battery voltage to the Brake Actuator Module (pin
8).
• Proper battery voltage is present at the key switch
and brake control module.
• Proper ground is present at the battery, chassis
and brake control module.
• An operator is in the seat and the seat switch is
closed supplying battery voltage to the module
(pin 7).
Note: The engine will not crank over to start when
the PTO switch is ON (Fig. 172).