General Information; Operator's Manual; Electrical Drawings; Toro Electronic Controller (Tec) (4Wd Machines) - Toro Groundsmaster 360 Service Manual

General Information

Operator's Manual

The Operator's Manual provides information regarding
the operation, general maintenance and maintenance
intervals for your Groundsmaster machine. Refer to that
publication for additional information when servicing the
machine.

Electrical Drawings

The electrical schematic and wire harness drawings for
the Groundsmaster 360 are located in Chapter 9 -- Fold-
out Drawings.

Toro Electronic Controller (TEC) (4WD Machines)

Groundsmaster 360 machines with 4WD use a Toro
Electronic Controller (TEC) to manage machine electri-
cal functions. The controller is microprocessor control-
led that senses the condition of various switches
(inputs) and directs electrical power to control appropri-
ate machine functions (outputs) based on the inputs.
The status of inputs to the controller as well as outputs
from the controller can be monitored with the Diagnostic
Display (see Special Tools in this chapter).
NOTE: Optional kits for the Groundsmaster 360 are
available that require the use of an additional TEC con-
troller. Even though the additional controller appears
identical to the standard controller, they are different in
terms of the connectors and internal hardware. The two
controllers cannot be interchanged.
CAN- -bus Communications (4WD Machines)
On Groundsmaster 360 machines with 4WD, the TEC
controller communicates with other electrical compo-
nents on a CAN--bus communication system. The
CAN--bus system reduces the number of electrical com-
ponents and connections used on the machine and al-
lows the number of wires in the wire harness to be
reduced.
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 System
IMPORTANT: Before performing any welding on the
machine, disconnect the battery cables from the
battery, disconnect the wire harness connector
from the Toro Electronic Controller(s) and discon-
nect the terminal connector from the alternator.
These steps will prevent damage to the machine
electrical system.
Each of the components that is controlled by the CAN--
bus link only needs four (4) wires to operate and commu-
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.
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