Toro Groundsmaster 4300-D Service Manual page 253

Using the InfoCenter Display for Troubleshooting (continued)
Groundsmaster ® 4300-D
16226SL Rev C
In the PTO operation example, the following qualifiers must be in the desired
condition ( ) before any operation Outputs can be energized:
• Joystick lower off
• Mow/transport switch in L
• Operator must be in seat (seat switch)
• Engine temperature is ok
• Engine must be running
Engine RPM above 800 as reported by engine ECU
If and do not alternate when the qualifier condition is changed, the
qualifier or the circuit wiring for the qualifier is damaged and should be tested
as described.
8. Press the menu/back button (as indicated by the
screen). Select (highlight) the Outputs and press the left/right button (as
indicated by the
9. If all the Inputs are O
the Outputs for the machine operation should be O
O , the Toro Electronic Controller (TEC) or TEC software may be damaged
FF
and require reloading or replacement. Contact your Toro Distributor for
assistance.
10. If the outputs listed on the InfoCenter display are O
is still malfunctioning:
• Test the specific output and output wiring; refer to
Components (page
• Test the hydraulic components related to the operation; refer to
4: Hydraulic System (page
In the PTO operation example, the outputs are the front MSV1 and rear
MSV2 solenoid valves. If O
display:
• Test the hydraulic solenoid valve coils; refer to
Coils (page 5–73).
• Perform the cutting deck hydraulic circuit tests; refer to
Hydraulic System (page
(mow) range
OW
at the bottom of the screen).
and all the Qualifiers are in their desired condition ( ),
N
5–45).
4–1).
appears next to these outputs on the InfoCenter
N
4–1).
Page 5–29
at the bottom of the
. If the outputs remain
N
, and the operation
N
Testing the Electrical
Chapter
Hydraulic Solenoid Valve
Chapter 4:
Electrical System: Troubleshooting