Starting Problems - Toro Groundsmaster 4500-D Service Manual
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Also See for Groundsmaster 4500-D:
- Service manual (474 pages) ,
- Operator's manual (92 pages) ,
- Installation instructions manual (28 pages)
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Starting Problems
NOTE: Check InfoCenter Display for possible operator
advisories or faults whenever diagnosing machine elec-
trical problems.
Problem
No electrical power to machine (including gauges).
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 but
Operator Advisory is displayed on InfoCenter (see
Operator Advisory list in this section).
Nothing happens when start attempt is made.
InfoCenter display operates with the ignition switch in
the ON position. No Operator Advisory displayed on
InfoCenter.
Electrical System
Possible Causes
Battery is discharged.
Battery cables are loose or corroded.
Fuse D--1 (2 Amp) is faulty.
Fuse D--2 (2 Amp) is faulty.
Ground connection on machine is loose or corroded.
The ignition switch or circuit wiring is faulty.
Battery is discharged.
Battery cables are loose or corroded.
Ground connection on machine is loose or corroded.
Wiring at the engine starter motor is faulty.
Starter solenoid is faulty.
Starter motor is faulty.
The traction pedal is not in neutral position.
Operator seat is unoccupied OR the parking brake is
not applied.
The PTO switch is ON (engaged).
Traction pedal position sensor is out of adjustment.
Traction pedal position sensor or circuit wiring is faulty.
Seat switch or circuit wiring is faulty.
Parking brake switch or circuit wiring is faulty.
Engine or fuel system is malfunctioning (see Yanmar
Service Manual).
Fuses for TEC controller(s) are faulty (fuse D--1 and/or
D--2).
Ignition switch or circuit wiring is faulty.
Start relay or circuit wiring is faulty.
Starter solenoid or starter motor is faulty.
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Groundsmaster 4500--D/4700--D
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