Toro Groundsmaster 3500 30807, Service Manual

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Groundsmaster 3500 Page 6 − 7 Electrical System
Starting Problems (continued)
Problem Possible Causes
Starter solenoid clicks, but starter will not crank
NOTE: If the solenoid clicks, the problem is not in the in-
terlock circuit.
Low battery charge.
Loose or corroded battery cables.
Loose or corroded ground.
Faulty wiring at the starter.
Faulty starter solenoid.
Faulty starter motor.
Engine cranks, but does not start. The fuel tank is empty.
The fuel pump or fuel pump circuit wiring is faulty.
Wiring in the engine crank circuit is loose, corroded, or
damaged.
Diesel Engines Only
Engine stop solenoid is faulty.
The glow circuit (glow plug controller, glow plug relay,
glow plugs, fuse F4) is faulty.
The engine and/or fuel may be too cold.
The fuel filter may be plugged.
Gasoline Engines Only
The Electronic Throttle Valve (ETV) relay or ETV
relay circuit wiring is faulty.
Diesel Engines Only − The glow circuit does not
operate properly. Wiring in the glow circuit is loose, corroded, or
damaged.
Fuse F4 is blown or faulty.
The glow relay or glow plug controller is faulty.
One or more of the engine glow plugs is faulty.
The fusible link at the engine starter is faulty.
Engine cranks (but should not) with the PTO switch in
the ENGAGE position. The PTO switch or PTO switch circuit wiring is faulty.
The Standard Control Module (SCM) is faulty.
The engine starts, but stops when the ignition switch is
released from the START position. The ignition switch is faulty.
Diesel Engines Only
The engine stop solenoid (hold coil) or stop solenoid
hold coil circuit wiring is faulty.
Electrical
System