Machine and Engine Faults
Machine faults are generated by the Toro Electronic Controller (TEC) to identify
an electrical system malfunction (fault) that occurs during machine operation.
Engine faults are generated by the by the Yanmar engine Electronic Control
Unit (ECU) to identify an electrical system malfunction (fault) pertaining to the
engine during operation. The fault IDs conform to SAE J2012 standards. When
a fault occurs, an audible alarm will sound, a red warning light will illuminate, and
a code for the active fault will appear along the bottom of the status display. If
more than one fault is active, their codes will scroll across the bottom of the
status display one-by-one. Depending on the severity of the fault, a STOP icon
may also be displayed.
Recent faults can be viewed and cleared via the InfoCenter Service – Fault
Viewer screen. a code appears after each fault indicating which controller
generated the fault. For example: P0227:T1 is a traction pedal fault generated
by the T1: TEC, and P1455:EN is a DPF pressure sensor fault generated by the
Yanmar engine ECU. Refer to the
Yanmar TNV (Tier 4) Series Troubleshooting
Manual
for engine fault information.
Machine Faults
Fault ID
Fault Title
Fault Description
Controller
Action
Recommended Service Actions
P0225
Traction Pedal
Analog Sensor
APS1 - Open
Circuit
Traction pedal analog
sensor APS1 is reading
a voltage outside the
range it was designed
to operate, indicating an
open circuit
Traction is
disabled until
ignition key is
cycled
1.
Use the InfoCenter to verify sensor
movement (TRACTION INPUTS–TR.
PEDAL SIGNAL 1)
2.
If no voltage reading is displayed:
A.
Check the traction pedal wiring and
connector
B.
Test the sensor wiring
3.
Test the traction pedal assembly if possible
and replace if necessary
P0227
Traction Pedal
Analog Sensor
APS1 - Short
to Ground
Traction pedal analog
sensor APS1 is reading
a voltage outside the
range it was designed
to operate, indicating a
short to ground.
Traction is
disabled until
ignition key is
cycled
1.
Use the InfoCenter to verify sensor
movement (TRACTION INPUTS–TR.
PEDAL SIGNAL 1)
2.
If no voltage reading is displayed:
A.
Check the traction pedal wiring and
connector
B.
Test the sensor wiring
3.
Test the traction pedal assembly if possible
and replace if necessary
P0460
Fuel level
Sender - Open
Circuit
Open circuit detected
on fuel level sender
1.
Check sender wiring and connector
2.
Test fuel sender and replace if necessary
P0461
Fuel level
Sender - Short
to Ground
Short to ground
detected on fuel level
sender
1.
Check sender wiring and connector
2.
Test fuel sender and replace if necessary
P0575
Cruise Control
Switch
Correlation
Fault
Cruise engage (SET)
input is active but the
cruise enable (ON) input
is off.
Cruise is not
enabled
1.
Check switch wiring and connector
2.
Test the cruise control OFF/ON/SET switch
and replace if necessary
Troubleshooting: Attachment/Loader Problems
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