Toro GroundsmasterR 4300-D Service Manual page 163

Starting Problems (Continued)
Problem
Engine cranks, but should not, when the traction pedal
is depressed.
Nothing happens when start attempt is made. Control
panel lights and gauges operate with the ignition
switch in RUN.
Groundsmaster 4300--D
Possible Causes
Traction neutral switch is out of adjustment.
Traction neutral switch or circuit wiring is faulty.
Traction pedal is not in neutral position.
Operator seat is unoccupied OR the parking brake is
not applied.
Cutting decks are engaged (PTO switch is ON).
Traction neutral switch is out of adjustment.
Traction neutral switch or circuit wiring is faulty.
Seat switch or circuit wiring is faulty.
Parking brake switch or circuit wiring is faulty.
Joystick switch (raise or lower position) is faulty.
Ignition switch or circuit wiring is faulty.
Start relay or circuit wiring is faulty.
Main power relay or circuit wiring is faulty (headlights
and powerpoint inoperative as well).
TEC controller fuses are faulty.
Fusible link harness at the engine starter motor is
faulty.
Wiring to start circuit components is loose, corroded or
damaged (see Electrical Schematic and Circuit
Drawings in Chapter 8 -- Foldout Drawings).
High temperature shutdown switch or circuit wiring is
faulty.
Starter solenoid or starter motor is faulty.
TEC controller is faulty.
Page 5 - - 13 Electrical System