Toro Greensmaster eTriFlex 3360 Service Manual page 44

Machine Faults (continued)
Fault
Fault Title
ID
C0528 Steering
Position
Sensor - Not
Responding
C0529 Steering
Position
Sensor Signal
Correlation
Fault
C1013 Engine Run
Output - Short
to Battery
C1014 Engine Run
Output –
Overcurrent
Engine Run
C1015
Output - Open
Circuit
Troubleshooting: Universal Groomer Problems
(Optional)
Fault
Controller(s)
Condition/Circuit
Affected
Description
SC7 The controller
does not see
a change in
the steering
position sensor
when comparing
steering motor
commands and
steering sensor
movement.
SC7 The sum of the 2
signals from the
steering position
sensor are
not correlating
correctly.
T1 Low current
detected on
the engine
run output.
Indicates a short
to a high (+)
source.
T1 Overcurrent
detected
in engine
run output,
indicating a short
to ground.
T1
Open circuit
detected on
engine run
output.
Additional Notes Service Actions
Traction is 1.
disabled.
2.
3.
4.
5.
Traction is 1.
disabled.
2.
3.
The short could 1.
be to battery
voltage or to
another signal
2.
that is in a high
(+) state.
3.
4.
1.
2.
3.
4.
1.
2.
3.
4.
Page 3–8
Use the InfoCenter Diagnostics >
Steering > Inputs screen to observe
the steering position sensor operation.
Test the steering position sensor.
Test the steering position sensor
circuit wiring and connector P69.
Verify rear caster wheel movement is
not restricted.
Verify steering gear box operation.
Use the InfoCenter Diagnostics >
Steering > Inputs screen to observe
the steering position sensor operation.
Test the steering position sensor.
Test the steering position sensor
circuit wiring and connector P69.
Check the engine run output circuit
wiring and connectors (P01, P45,
P70).
Test the engine run output circuit
wiring.
Test the engine relay and fuel solenoid.
Swap the T1: Primary controller
with a known-good unit (contact
an Authorized Toro Distributor for
assistance).
Check the engine run output circuit
wiring and connectors (P01, P45,
P70).
Test the engine run output circuit
wiring to ground.
Test the engine relay and fuel solenoid.
Swap the T1: Primary controller
with a known-good unit (contact
an Authorized Toro Distributor for
assistance).
Check the engine run output circuit
wiring and connectors (P01, P45,
P70).
Test the engine run output circuit
wiring.
Test the engine relay and fuel solenoid.
Swap the T1: Primary controller
with a known-good unit (contact
an Authorized Toro Distributor for
assistance).
Greensmaster® eTriFlex 3360 and 3370
19239SL Rev A