Toro Reelmaster 5100-D User manual

Using the Diagnostic ACETM
Reelmaster® 5100-D/5300-D
Part No. 92800SL, Rev. B
Commercial Products

Controller Diagnostic Lamp
NOTE: Part number under CONTROLLER DIAGNOSTIC LAMP is the decal part
number; not the lamp. The lamp part number is 85-4491
If the machine malfunctions, check the green Controller Diagnostic
Lamp. If the lamp is
ON , with ignition key switch in ON position, the
electronic control unit (ECU) is functioning normally. If the lamp is
blinking,thecontrollerhasdetectedaproblemintheelectricalcircuit.
The lamp will stop blinking and automatically reset when the key
switch is turned OFF.
If Controller Diagnostic Lamp is
BLINKING ON and OFF :
1. ECU has detected an output with a short circuit.
2. ECU has detected an output with an open circuit.
Use Diagnostic ACETM to find which output is malfunctioning.
NOTE: If the green Controller Diagnostic Lamp is blinking on and
off, connect the Diagnostic ACE, without turning the key switch off,
then toggle to “OUTPUTS DISPLAYED”. The blinking LED on the
DiagnosticACEwillindicatewhichoutputisfaulty.Tostoptheengine
without turning off the key switch, use the manual fuel stop lever on
the injection pump or grasp the steering wheel, raise yourself up off
the seat and lightly push the traction pedal so the interlock circuit
stops the engine.
If the controller diagnostic lamp is
OFF :
1. ECU is not powered on.
2. Loop-back connector is not attached.
3. Diagnostic lamp is burned out.
4. ECU is not functioning correctly.
Checkelectricalconnections,inputfusesand diagnosticlamptofind
malfunction. Make sure loop-back connector is secured to wire
harness connector.
Using the Diagnostic ACE (RM 5100-D/5300-D) Page 1

Installing Diagnostic ACETM
1. Park machine on a level surface, engage parking brake, lower
cutting units and turn ignition key switch OFF.
2. Carefully disconnect loop-back connector from wire harness.
3. Connect Diagnostic ACE to connector on wiring harness (where
loop-back connector was removed).
Disconnect loop-back connector
and connect Diagnostic ACE Display
Using the Diagnostic ACE (RM 5100-D/5300-D) Page 2

1.AfterconnectingDiagnosticACEandturningkeyswitchON,move
any input switch, such as the Enable/Disable switch, to get the
Diagnostic ACE display to function. DO NOT start the engine.
CAUTION: To prevent possible personal injury, lower
cutting units before working on machine. If ignition key
switch is on, cutting units will lower when joystick is moved to
lower/mow position.
NOTE: After doing step 1, the “INPUTS DISPLAYED” LED will be on.
This indicates that the ECU and Diagnostic ACE are operating
properly. If the green Controller Diagnostic Lamp on the machine
comeson,butthe“INPUTSDISPLAYED”LEDdoesnotcomeon,there
is a problem with the Diagnostic ACE.
2. If necessary, push input-output toggle button so “INPUTS
DISPLAYED” LED is on. Do not hold the button down.
NOTE: Red text on overlay decal refers to input switches and green
text to outputs.
3. The Diagnostic ACE will illuminate the LED associated with each
input when that input switch is closed. Check each switch (input) by
openingandclosingtheswitch,thenverifyingthatthecorresponding
LED goes onand offas the switch positionis changed. Forexample,
with traction pedal in neutral, “TR.NEUTRAL” LED should be on, then
go off, when traction pedal is moved out of neutral. Check function
for each switch that can be changed manually.
4.Ifa switchis closedand correspondingLED does notgoon,check
all wiring and connections to switch and/or test switch with a
continuity tester or ohm-meter. Replace any faulty switches and
repair or replace any faulty wiring or connectors.
Checking INPUTS
Push INPUT-OUTPUT TOGGLE
so INPUTS DISPLAYED light is ON.
Using the Diagnostic ACE (RM 5100-D/5300-D) Page 3

INPUT – KEY RUN
Using the Diagnostic ACE (RM 5100-D/5300-D) Page 4

INPUT – TR. NEUTRAL
Using the Diagnostic ACE (RM 5100-D/5300-D) Page 5

INPUT – SEAT SWITCH
Using the Diagnostic ACE (RM 5100-D/5300-D) Page 6

INPUT – ENGINE HOT
To test, disconnect
and ground terminal
to engine block.
Using the Diagnostic ACE (RM 5100-D/5300-D) Page 7

INPUT – RAISE
Using the Diagnostic ACE (RM 5100-D/5300-D) Page 8