Toro Greensmaster eTriFlex 3360 Service Manual page 80

General Operation Problems (Model 04590)
(continued)
Note: With the exception of 12V power to the T1: primary controller Logic input, 12V control
system power is made available to the machine through the shutdown delay relay.
• 12V should pass through the 2A fuse in 12V fuse holder 2 under the right side cover and be
available at the telematics connector (connector P71 pin 2).
• 12V should pass through the 10A fuse in 12V fuse holder 2 under the right side cover and be
available at terminal 30 of the brake actuator relay (connector P75 pin 1).
• 12V should pass through the 7.5A fuse in 12V fuse holder 2 under the right side cover
and be available at the InfoCenter Display (connector P52 pin 2), the CAN bus isolation
module (connector P50 pin A), the parking brake switch (connector P06 pin A), the T1: primary
controller PWR 2 and PWR 5 terminals (connector P01 pins 9 and 37), and the T1: primary
controller Key Run input (connector P01 pin 25 and 37).
C. The T1: primary controller output OUT 1 supplies power to the logic relay. 12V should be
available at terminal 86 of the logic relay (connector P47 pin 5) energizing the relay coil.
• 48V logic power should be available at the T2: cutting unit 1 (center) motor controller
(connector P24 pin 1), T3: cutting unit 2 (left) motor controller (connector P26 pin 1), and T4:
cutting unit 3 (right) motor controller (connector P22 pin 1).
• 48V logic power should be available at the optional T5: traction 3 motor controller (connector
P19 pin 1).
• 48V logic power should be available at the SC2: lift/lower 1 (center) actuator controller
(connector P62 pin 2), SC3: lift/lower 2 (left) actuator controller (connector P61 pin 2), and
SC4: lift/lower 3 (right) actuator controller (connector PX59 pin 2).
• 48V logic power should be available at the SC7: steering motor/controller (connector P46
pin 15).
• 48V logic power should be available at the SC5: traction 1 (right) motor controller (connector
P35 pin 10), and SC6: traction 2 (left) motor controller (connector P34 pins 10 and 32).
• 48V power should be available at the SC6: precharge controller Precharge input (connector
P02 pin 6).
• 48V power should be available at the main contactor and the traction motor contactor H
terminal (lower coil terminal).
D. The T6: precharge controller Precharge output supplies controller precharge power to the T2:
cutting unit 1 (center) motor controller, T3: cutting unit 2 (left) motor controller, T4: cutting unit 3
(right) motor controller, and the optional T5: traction 3 motor controller.
E. If precharge is successful, the T1: primary controller sends a CAN message to the T6: precharge
controller to close the main contactor. The precharge controller uses the output OUT 2 to
provide a path to ground for the main contactor B terminal (right side main terminal) to energize
the contactor coil. Listen for the "Click" from the main contactor to quickly confirm contactor
operation. 48V bus power should be available at the cutting unit motor controllers, the optional
3WD traction motor controller, and at the lift/lower actuator controllers.
F. If the steering and traction systems are calibrated, the SC5: traction 1 (right) motor controller will
close the traction motor contactor. The traction motor controller uses the output NMC to provide a
path to ground for the traction motor contactor B terminal (right side main terminal) to energize the
contactor coil. Listen for the "Click" from the traction motor contactor to quickly confirm contactor
operation. 48V bus power should be available at each of the front traction motor controllers.
Troubleshooting: General Operation Problems (Model
04590)
Page 3–44 Greensmaster® eTriFlex 3360 and 3370
19239SL Rev B