Toro Groundsmaster 4000-D Service Manual page 180

Problem
Engine cranks, but does not start.
Starter cranks, but should not, when the traction pedal
is depressed.
General Run and Transport Problems
Engine continues to run, but should not, when the
ignition switch is turned off.
Engine continues to run, but should not, when the
traction pedal is engaged with no operator in the seat.
Engine stops during operation, but is able to restart.
The engine kills when the traction pedal is depressed.
Battery does not charge.
Electrical System
Possible Causes
Engine is not cranking fast enough.
The engine fuel run solenoid or circuit wiring is faulty.
The fuel pump or circuit wiring is faulty.
An engine problem exists (see Chapter 3 -- Kubota
Engine).
The traction neutral switch is out of adjustment.
The traction neutral switch or circuit wiring is faulty.
The engine fuel run solenoid is faulty.
The ignition switch or circuit wiring is faulty.
The seat switch or circuit wiring is faulty.
The traction neutral switch or circuit wiring is faulty.
The operator is lifting off the seat switch.
The seat switch or circuit wiring is faulty.
The engine shutdown delay is faulty.
The ignition switch or circuit wiring is faulty.
The operator is lifting off the seat switch.
The seat switch or circuit wiring is faulty.
Loose, corroded or broken wire(s).
The fusible link to the battery is faulty.
The charge indicator lamp is faulty or burned out.
The charge indicator lamp wiring is loose, corroded or
damaged.
The battery is faulty.
The alternator is faulty.
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