Toro 10178SL Service Manual Groundsmaster 4300 D Preface Publication

General Information
Operator’s Manual
The Operator’s Manual provides information regarding
the operation, general maintenance  and maintenance
intervals foryour Groundsmaster 4300--D machine. Re-
fer to  that publication for  additional information when
servicing the machine.
Toro Electronic Controller (TEC)
Groundsmaster 4300--D machines use a Toro Electron-
ic Controller (TEC) to manage machine electrical func-
tions.  The  controller  is a  microprocessor  controlled
device that senses the condition of various switches (in-
puts) and  then directs electrical  power to  control ap-
propriate  machine functions  (outputs)  based  on the
inputs. The status of inputs to the controllers as well as
outputs from the controllers can be monitored with the
Diagnostic Display (see Special Tools in this chapter).
IMPORTANT: Before performing any welding on the
machine,  disconnect both  positive  and  negative
battery cables from the battery, disconnect the wire
harness connector from the TEC controller and dis-
connect the terminal connector from the alternator.
This will prevent damage to the electrical system of
your Groundsmaster.
CAN--bus Communications
TheTECcontrollerusedontheGroundsmaster4300--D
communicates with  other electrical components  on a
CAN--bus communication system. The  CAN--bus sys-
tem reduces the number of electrical components and
connections used on the machine and allows the num-
ber of wires in the wire harness to be reduced.
Each of the components that is controlled by the CAN--
buslinkonlyneedsfour(4)wirestooperateandcommu-
nicate to the system: CAN--high, CAN--low, B+ (power)
and ground.
IMPORTANT: The termination resistors at the ends
of the bus cables are required for proper electrical
system operation.
CAN identifies the Controller Area Network that is used
on  the Groundsmaster.  Two  (2)  specially  designed,
twisted cables form  the bus. These wires  provide the
data pathways between machine components. The en-
gineering term for these two (2)  cables are CAN--high
and CAN--low.  At the ends  of the twisted  pair of bus
cables are 120 ohm termination resistors.
Electrical Drawings
The electrical schematic and wire harness drawings for
Groundsmaster 4300--D machines are located in Chap-
ter 8 -- Foldout Drawings.
Groundsmaster 4300--D
Page 5 -- 3
Electrical System
Product Specification
CategoriesLawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals
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- 255 pages
Document TypeCatalog
LanguageEnglish
Product BrandToro. Customer Service Representatives are available by phone: Monday - Friday 7:30 a.m. to 9:00 p.m. (CDT) - Saturday 8:00 a.m. to 8:00 p.m. (CDT) - Sunday 10:00 a.m. to 8:00 p.m. (CDT)
Canada 1-888-225-4886 USA 1-888-384-9939, Lawn Mower
Document File TypePDF
Publishertoro.com
Wikipedia's PageToro Company
CopyrightAttribution Non-commercial
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