Starting Problems - Toro Groundsmaster 4000-D Service Manual

Starting Problems

NOTE: Check InfoCenter Display for possible operator
advisories or faults whenever diagnosing machine elec-
trical problems.
Problem
No electrical power to machine.
Starter solenoid clicks, but starter will not crank.
NOTE: If the solenoid clicks, the problem is not in the in-
terlock circuit.
Nothing happens when start attempt is made.
InfoCenter display operates with the ignition switch in
the RUN position.
NOTE: Use InfoCenter Display to assist with identifying
problem.
Electrical System
Possible Causes
The battery is discharged.
The battery cables are loose or corroded.
Fuse F--D1 (2 Amp) is faulty.
Fuse F--D2 (2 Amp) is faulty.
Fuse M1 (60 Amp) is faulty.
A faulty ground connection exists on machine.
The ignition switch or circuit wiring is faulty.
The battery is discharged.
The battery cables are loose or corroded.
A ground wire or cable is loose or corroded.
The wiring at the starter motor is faulty.
The starter solenoid is faulty.
The starter motor is faulty.
The traction pedal is not in the neutral position.
The operator seat is unoccupied OR the parking brake
is not applied.
The PTO switch is ON (engaged).
Fuses for TEC are faulty.
The ignition switch or circuit wiring is faulty.
Traction pedal position sensor is out of adjustment.
Traction pedal position sensor or circuit wiring is faulty.
The seat switch or circuit wiring is faulty.
The parking brake switch or circuit wiring is faulty.
The start relay or circuit wiring is faulty.
The starter solenoid or starter motor is faulty.
The engine or fuel system is malfunctioning (see
Yanmar Service Manual).
Page 5 - - 18 Groundsmaster 4000--D/4010--D