Toro Groundsmaster 4300-D Service Manual page 259

Starting Problems (continued)
Groundsmaster ® 4300-D
16226SL Rev C
Problem
The engine starts, but stops when the key
switch is released from the S
Nothing happens when you attempt to start the
engine. The InfoCenter display operates with
the key switch in the R position.
UN
Note: An operator advisory is displayed on the
InfoCenter if the interlock switches for engine
start are not functioning. Use the InfoCenter
display to assist with identifying the problem.
Possible Causes
• The circuit wiring is damaged.
position.
TART
• The key switch is damaged.
• The traction pedal is not in the N
position.
• The operator seat is unoccupied or the
parking brake is not applied.
• The cutting decks are engaged (the PTO
switch is in the O
• The battery is discharged or damaged.
• The battery cables are loose or corroded.
• The ground connection is loose or corroded.
• The traction neutral switch is out of
adjustment.
• The traction neutral switch or circuit wiring
is damaged.
• The seat switch or circuit wiring is damaged.
• The parking brake switch or circuit wiring is
damaged.
• The joystick switch or circuit wiring is
damaged.
• The key switch or circuit wiring is damaged.
• The start relay or circuit wiring is damaged.
• The main power relay or circuit wiring
is damaged (headlights and power point
inoperative as well).
• The TEC fuses are damaged.
• The fusible link harness at the engine starter
motor is damaged.
• The wiring to start circuit components is
loose, corroded, or damaged; refer to the
Electrical Schematic in Appendix A—Foldout
Drawings.
• The starter solenoid is damaged.
• The high temperature shutdown switch or
circuit wiring is damaged.
• The TEC is damaged.
• The starter motor is damaged.
• The engine ECU or circuit wiring is damaged.
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EUTRAL
position or it is damaged).
N
Electrical System: Troubleshooting