Verify Diagnostic Display Output Functions
C. If each input switch is in the correct position and
functioning correctly, but the output LED’s are not
correctly illuminated, this indicates a TEC controller
problem. If this occurs, contact your Toro Distributor
for assistance.
The Diagnostic Display also has the ability to detect
which output solenoids or relays are energized by the
TECcontrollers.Thisisaquickwaytodetermineifama-
chine malfunction is electrical or hydraulic.
7.
After output functions testing is complete, discon-
NOTE: Anopenoutput(e.g.anunpluggedconnectoror
a broken wire) cannot be detected with the Diagnostic
Display.
nect the Diagnostic Display connector from the harness
connector and plug loopback connector into wire har-
ness. Secure controller cover to frame.
1.
deck, stop the engine and engage the parking brake.
Park machine on a level surface, lower the cutting
2
RIGHT
3
2.
Remove controller cover to allow access to wire har-
1
FRONT
ness loopback connector (Fig. 11). Locate wire harness
and loopback connector (Fig. 12). Carefully unplug
loopback connector from harness connector.
4
3.
nessconnector.Makesurecorrectoverlaydecalisposi-
tioned on the Diagnostic Display (Figs. 9 and 10).
ConnecttheDiagnosticDisplayconnectortothehar-
5
6
4.
Turn the ignition switch to the ON position.
NOTE: The red text on the Diagnostic Display overlay
decal refers to input switches and the green text refers
to TEC outputs.
5.
Make sure that the “OUTPUTS DISPLAYED” LED,
on lower right column ofthe Diagnostic Display,isillumi-
nated. If “INPUTS DISPLAYED” LED is illuminated,
press the toggle button on the Diagnostic Display to
change the LED to “OUTPUTS DISPLAYED”.
Figure 11
1.
2.
3.
Controller cover
Screw (2 used)
Flat washer (2 used)
4.
5.
6.
U--nut (2 used)
TEC--5001
TEC--5002
NOTE: It may be necessary to toggle between “IN-
PUTS DISPLAYED” and “OUTPUTS DISPLAYED” sev-
eral times to perform the following step. To change from
inputs to outputs, press toggle button once. This may be
done as often as required. Do not press and hold
toggle button.
1
2
6.
Sit on seat and attempt to operate the desired func-
tion of the machine. The appropriate output LED’s
should illuminate on the Diagnostic Display to indicate
that the TEC controller is turning on that function. The
GLOWPLUGS,HIRANGEandOKRUNoutputscanbe
checked with the ignition switch in the ON position and
the engine not running. For testing of the hydraulic sole-
noid outputs (e.g. ENABLE, C DECK UP, R DECK
FLOAT), the engine must be running.
3
Figure 12
A. IfthecorrectoutputLED’sdonotilluminate,verify
that the required input switches are in the necessary
positions to allow that function to occur.
1.
2.
Wire harness connector
Loopback connector
3.
Diagnostic display
B. If the output LED’s are on as specified, but the
machine does not function properly, suspect a failed
electrical component, an open in the tested circuit or
a non-electrical problem (e.g. hydraulic component
problem). Repair as necessary.
Electrical System
Page 5 -- 10
Groundsmaster 4100--D/4110--D
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
|---|---|
| Tags | Toro Groundsmaster 10177SL, Toro Groundsmaster 30447, Toro Groundsmaster 30449, Toro Groundsmaster 4100, Toro Groundsmaster 4110 D |
| Download File |
|
| Document Type | Service Manual |
| Language | English |
| Product Brand | Toro. Customer Service Representatives are available by phone:
Monday - Friday 7:30 a.m. to 9:00 p.m. (CDT) - Saturday 8:00 a.m. to 8:00 p.m. (CDT) - Sunday 10:00 a.m. to 8:00 p.m. (CDT)
Canada 1-888-225-4886 USA 1-888-384-9939, Lawn Mower |
| Document File Type | |
| Publisher | toro.com |
| Wikipedia's Page | Toro Company |
| Copyright | Attribution Non-commercial |
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