Toro Groundsmaster 4300-D Service Manual page 278

Testing the PTO Switch (continued)
Electrical System: Testing the Electrical Components
multimeter (ohms setting), test the switch functions to determine if continuity
exists between the various terminals for each switch position. Check the
continuity between the switch terminals.
Circuit Logic Table
Switch Position
O
N
O
FF
8. Replace the PTO switch if testing determines that the switch is damaged.
9. If the PTO switch testing is correct and a circuit problem still exists, check
the wire harness; refer to the Electrical Schematic and Wire Harness
Drawings/Diagrams in
10. After you complete the testing, connect the wire harness connector to the
PTO switch.
11. Secure the control arm covers to the machine; refer to
Control Arm (page
Normal Circuits
2+3
2+1
Appendix A (page A–1).
6–24).
Page 5–54
Other Circuits
5+6
5+4
Assembling the
Groundsmaster ® 4300-D
16226SL Rev C