Pto Switch - Toro Groundsmaster 4500-D Series Service Manual

PTO Switch

Testing
Groundsmaster ® 4500-D/4700-D
19245SL Rev A
g309580
1. Console arm
The two position PTO switch is located on the console arm
PTO switch is pulled up to engage the PTO and pushed in to disengage the PTO.
Note: To engage the PTO, the seat has to be occupied, traction speed has to be
in low range (mow) and the cutting decks have to be fully lowered.
Note: Before disconnecting the PTO switch for testing, the switch and its
circuit wiring should be tested as a TEC electrical input using the InfoCenter
Display (see InfoCenter Display (page
PTO switch and circuit wiring are functioning correctly, no further PTO switch
testing is necessary. If, however, input testing determines that the PTO switch
and circuit wiring are not functioning correctly, proceed with the following PTO
switch testing procedure.
1. Park machine on a level surface, lower cutting decks, engage parking brake
and stop engine. Remove key from ignition switch.
2. Remove console arm covers to gain access to PTO switch (see
Arm (page 8–10)).
3. Disconnect wire harness electrical connector from the PTO switch.
g275999
1. COM B terminal
2. NO B terminal
3. NC B terminal
4. The switch terminals are marked as shown in
of the PTO switch is shown in the chart below. With the use of a multimeter
(ohms setting), the switch functions can be tested to determine whether
continuity exists between the various terminals for each switch position.
Figure 190
2. PTO switch
6–8)). If input testing verifies that the
4
5
6
Figure 191
4. COM C terminal
5. NO C terminal
6. NC C terminal
Page 6–31
(Figure 190). The
Console
1
Figure 191. The circuit logic
Electrical System: Component Testing