Troubleshooting; Adjustments 7; Starting Problems - Toro Workman MD Service Manual

Troubleshooting

CAUTION
Remove all jewelry, especially rings and
watches, before doing any electrical trouble-
shooting or testing. Disconnect the battery
cables unless the test requires battery voltage.

Starting Problems

Problem
Starter solenoid clicks, but starter will not crank.
Nothing happens when start attempt is made.
Engine cranks, but does not start.
Workman MD/MDX
For effective troubleshooting and repairs, you must
have a good understanding of the electrical circuits and
components used on this vehicle (see Wiring Schemat-
ics in Chapter 8 -- Electrical Diagrams).
If the vehicle has any interlock switches by--passed,
they must be reconnected for proper troubleshooting
and safety.
Possible Causes
Battery is discharged.
Battery cables are loose or corroded.
Battery ground to frame is loose or corroded.
Wiring at starter is faulty.
Starter solenoid is faulty.
Starter is faulty and causing an incomplete circuit for
the solenoid.
Battery is discharged.
Wiring to the start circuit components is loose,
corroded or damaged (see Wiring Schematics in
Chapter 8 -- Electrical Diagrams).
Battery cables are loose or corroded.
Battery ground to frame is loose or corroded.
Fuse block is faulty.
10 ampere fuse to the ignition switch is loose or blown.
The ignition switch is faulty.
Switch at accelerator pedal is faulty or needs
adjustment.
Starter solenoid is faulty.
Shutdown module is faulty (Workman MDX).
Wiring to start circuits is loose, corroded or damaged
(see Wiring Schematics in Chapter 8 -- Electrical
Diagrams).
Shutdown module is faulty (Workman MDX).
Engine or fuel system is malfunctioning (see Engine
Chapter).
Engine and fuel may be too cold.
Page 6 - - 5 Electrical System