Toro 5100-D, 5300-D User Manual

Using the Diagnostic ACE

Reelmaster ® 5100-D/5300-D

Commercial Products

Part No. 92800SL, Rev. B

If the machine malfunctions, check the green Controller Diagnostic Lamp. If the lamp is electronic control unit (ECU) is functioning normally. If the lamp is blinking, the controller has de tected a problem in the electrical cir cuit. The lamp will stop blinking and automatically reset when the key switch is turned OFF.

, with ignition key switch in ON position, the

If Controller Diagnostic Lamp is

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 “ Diagnostic ACE will indicate which output is faulty . T o stop the engine without turning off the key switch , use the manua l fuel stop lever on the injection pump or grasp the steering wheel, raise yo urself up off the seat and lightly push the traction pedal so the interlock circuit stops the engine.

If the controller diagnostic lamp is

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. Check electrical connections, in put fuses and diagnostic lamp to find malfunction. Make sure loop-back connector is secured to wire harness connector.

OUTPUTS DISPLAYED”. The blinking LED on the

BLINKING ON

OFF

and

OFF

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

Using the Diagnostic ACE (RM 5100-D/5300-D) Page 1

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

Installing Diagnostic ACE

Using the Diagnostic ACE (RM 5100-D/5300-D) Page 2

1. After connecting Diagn ostic ACE and turning key switch ON, move

Push INPUT-OUTPUT TOGGLE so INPUTS DISPLAYED light is ON.

any input switch, such as the Enable/Disable switch, to get the Diagnostic ACE display to function. DO NOT start t he eng ine.

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 “ This indicates that the ECU and Diagnostic ACE are operating properly. If the green Controller Diagnostic Lamp on the machine comes on, but the “INPUTS DISPLAYED” LED does not come on, there is a problem with the Diagno stic ACE.

2. If necessary, push input-output toggle button so “INPUTS

DISPLAYED

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 opening and closing the switch, then verifying tha t the corresponding LED goes on and off as the switch position is changed. For example, 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. If a switch is closed and corresponding LED does not go on, 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.

” LED is on. Do not hold the b utton down.

INPUTS DISPLAYED” LED will be on.

Checking INPUTS

Using the Diagnostic ACE (RM 5100-D/5300-D) Page 3