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2006
LX SERIES LAWN TRACTORS
LX SERIES LAWN TRACTORS
LX
GT2000 SERIES GARDEN TRACTORS
DEMYSTIFICATION GUIDE
Table of Contents
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Summary of Contents for Toro LX Series 2006

  • Page 1 Consumer Products 2006 LX SERIES LAWN TRACTORS LX SERIES LAWN TRACTORS GT2000 SERIES GARDEN TRACTORS DEMYSTIFICATION GUIDE...
  • Page 2 The Toro Company Consumer service department 8111 Lyndale Avenue South Bloomington, MN 55420-1196 The Toro company reserves the right to change product specifi cations or this manual without notice. Copyright© - All Rights Reserved The Toro Company - 2006 Bloomington, MN 55420-1149 - U.S.A...
  • Page 3: Table Of Contents

    TABLE OF CONTENTS CHAPTER PAGE Table of contents ............1-1 Time Savers .
  • Page 4 This page intentionally left blank Demystifi cation Glossary...
  • Page 5: Table Of Contents

    TIME SAVERS Table of contents Using this manual ............2-2 Using a VOM .
  • Page 6: Time Savers

    TIME SAVERS GLOSSARY The Glossary contains information on virtually every electrical part used on Toro Solenoid, Starter riding products. Location The components are listed alphabetically by noun, followed The starter solenoid is located under the rear fender by any adjectives. If you have assembly to the right of the battery (Figure 8).
  • Page 7: Lx420, Lx460

    TIME SAVERS Each product series has its own 2006 LX420, LX460 section including: - Info List - Wiring Diagrams - Circuit Diagrams Image helps you quickly identify product sections. The "Info List" is the Each product section has its own first page of each "Table of Contents"...
  • Page 8 TIME SAVERS LX420, LX460 2006 Wiring Diagram IGNITION SWITCH Each product section includes G M A1 the original wiring diagram. RUN 1 B A1 AND L A2 RUN 2 B A1 START B S A1 HEADLIGHT HARNESS BRAKE SWITCH BRAKE SWITCH IS SHOWN WITH BRAKE APPLIED Y/BK OR/BK...
  • Page 9 TIME SAVERS 2006 LX420, LX460 Wiring Diagram WIRE COLOR CODES BROWN PINK OR/BK ORNGE BLACK BLUE BLACK OR/W ORNGE WHITE GRAY YELLOW YELLOW WHITE WHITE Y/BK YELLOW BLACK PURPLE GREEN RED WHITE ORANGE R/BK RED BLACK FUSE STARTER PTO SWITCH START PTO SWITCH IS SHOWN WITH PTO OFF...
  • Page 10: Lx500,Gt2100 Gt2200, Gt2300

    TIME SAVERS Each circuit is shown individually. Components 2006 LX500,GT2100 not essential for circuit GT2200, GT2300 function are not shown. Components with internal circuitry are Spark Circuit Solid lines indicate enclosed with a dashed wires that carry current. line. (ignition switch in “start”) Or/w Starter Motor PTO Switch...
  • Page 11 TIME SAVERS Checking Voltage Checking Voltage Checking Resistance Demystifi cation Glossary...
  • Page 12 TIME SAVERS What about checking current? Demystifi cation Glossary...
  • Page 13 TIME SAVERS Sample Problem: GT2100 electric clutch will not engage Dashed lines do not carry current TIP: DON'T SPARK PLUG SPARK PLUG Brake Switch Fuel Solenoid DISCONNECT (Brake Off) (Energized) IGNITION MODULES ANY WIRES! Seat Switch (Operator On) When checking for voltage you need only touch the terminals.
  • Page 14 TIME SAVERS Sample Problem: This GT tractor won’t turn over. The customer parked it in the garage and turned it off. When he tried to start it a week later, he heard one click. After that, nothing would happen when he turned the key. We know it’s a short because we found the 20 amp fuse blown.
  • Page 15 TIME SAVERS Step 2. Isolate the suspect area. Notice what we did to the wiring diagram below. WIRE COLOR CODES BROWN PINK OR/BK ORANGE BLACK BLUE BLACK OR/W ORANGE WHITE If the short was between the battery GRAY YELLOW YELLOW WHITE WHITE Y/BK YELLOW BLACK...
  • Page 16 TIME SAVERS Step 3. Break the suspect area down into “mini-circuits”. Do this by unplugging unswitched circuits and by opening all Switches. IGNITION SWITCH G M A1 RUN 1 B A1 AND L A2 RUN 2 B A1 Open the ignition switch START B S A1 by turning it “off”.
  • Page 17 TIME SAVERS WIRE COLOR CODES BROWN PINK OR/BK ORANGE BLACK BLUE BLACK OR/W ORANGE WHITE GRAY YELLOW YELLOW WHITE WHITE Y/BK YELLOW BLACK PURPLE GREEN RED WHITE ORANGE R/BK RED BLACK Remove the connector FUSE from the PTO switch to open both suspect circuits.
  • Page 18 TIME SAVERS When the ignition switch is turned Step 4. Power up the mini-circuits to “normal”, the 20 amp fuse one at a time, beginning with the doesn’t blow. This means the red one closest to the battery. wires are OK. IGNITION SWITCH G M A1 RUN 1...
  • Page 19 TIME SAVERS WIRE COLOR CODES BROWN PINK OR/BK ORANGE BLACK Install a new 20 amp fuse. BLUE BLACK OR/W ORANGE WHITE This “powers up” the red/white GRAY YELLOW YELLOW WHITE WHITE Y/BK YELLOW BLACK wire to the ignition switch. The PURPLE GREEN RED WHITE...
  • Page 20 TIME SAVERS IGNITION SWITCH G M A1 RUN 1 B A1 AND L A2 RUN 2 B A1 Leave the ignition switch START B S A1 in the “normal” position. HEADLIGHT HARNESS Reconnect the light circuit, the fuse doesn’t blow so BRAKE SWITCH BRAKE SWITCH IS SHOWN this circuit is OK.
  • Page 21 TIME SAVERS WIRE COLOR CODES BROWN PINK OR/BK ORANGE BLACK BLUE BLACK OR/W ORANGE WHITE GRAY YELLOW YELLOW WHITE WHITE Y/BK YELLOW BLACK PURPLE GREEN RED WHITE ORANGE R/BK RED BLACK FUSE Close the PTO switch by pulling it to the “on” position. STARTER PTO SWITCH START...
  • Page 22 This page intentionally left blank 2-18 Demystifi cation Glossary...
  • Page 23 GLOSSARY Table Of Contents DESCRIPTION Clutch, Electric PTO ............3-3 Fuse .
  • Page 24 This page intentionally left blank Demystifi ction Glossary...
  • Page 25: Clutch, Electric Pto

    GLOSSARY Clutch, Electric PTO 4. Connect the meter lead wires to the wires in the clutch connector (Figure 1). Purpose This clutch electrically controls the engagement and disengagement of the Power Take Off (PTO) pulley. How It Works The PTO clutch is composed of three major components;...
  • Page 26: Fuse

    GLOSSARY Fuse Location The 20 amp fuse is located at the right side of the fuel tank. It is wired in series between the battery positive terminal and the “B” terminal of the ignition switch (Figure 3). Figure 2 Clutch Burnishing Procedure The clutch should be burnished as part of the pre delivery service, or whenever a new clutch is installed.
  • Page 27: Rmc Module

    GLOSSARY Testing RMC Module A blade type fuse may be checked visually. If the loop (A) is open, the fuse is blown. If in doubt, the fuse may This interlock feature is provided to prevent also be tested with an ohmmeter (Figure 4). unintentional engine-powered attachment operation in reverse.
  • Page 28 GLOSSARY Location On units equiped with electric PTO clutch The RMC module is located on the back of the The reverse switch is connected in series between instrument panel in the same housing as the keyswitch module and ground. When the Module is not activated (Figure 5).
  • Page 29 GLOSSARY Testing the RMC system – Manual PTO - keyswitch Testing the RMC system – Electric PTO - keyswitch in “Reverse Caution” Unactivated (Indicator light in “Reverse Caution” Unactivated (Indicator light off) off) 1. Start the engine; place the keyswitch in the reverse 1.
  • Page 30 GLOSSARY Testing the RMC module Connect an ohmmeter between the E-PTO terminal at the module (yellow/black wire) and ground. With the It is not practical to test the RMC module directly. If the key in the “ON” or “Reverse Caution” position, PTO RMC system is not functioning as described above, switch on, and the seat occupied the meter should it will be necessary to test the inputs to, and outputs...
  • Page 31 GLOSSARY Manual PTO Clutch Symptom: The engine does not shut down when shifting into reverse when the reverse caution mode is not activated. The engine does not shut down when the operator leaves the seat with the PTO on. Connect an ohmmeter between the magneto terminal (yellow/black wire) at the module and ground.
  • Page 32: Relay (Electric Pto)

    GLOSSARY Relay (Electric PTO) with a multimeter (ohms setting). Resistance should be approximately 105 ohms. There should be continuity between terminals A and E (Figure 10). Location 3. Connect multimeter (ohms setting) leads to relay terminals E and C. Ground terminal B and apply The relay is part of the wiring harness and is located +12 VDC to terminal D.
  • Page 33: Solenoid, Starter

    GLOSSARY Solenoid, Starter The ignition switch is protected because only a small amount of current is needed to activate the coil. Location The starter solenoid is located under the rear fender behind the battery. Remove the battery and battery tray to access the solenoid (Figure 11). Solenoid (not energized) Figure 12...
  • Page 34: Switch, Brake

    GLOSSARY Switch, Brake Testing 1. Disconnect the switch from the wiring harness. Location 2. Using a multimeter, follow the procedures listed below (Figure 15). The brake switch is attached to the tractor frame, under the fuel tank, near the base of the brake lever Note: Terminals on actual switch not labeled.
  • Page 35: Switch, Parking Brake (Manual Pto)

    GLOSSARY Switch, Parking Brake (Manual PTO) Testing 1. Disconnect the switch from the wiring harness. Location 2. Use a ohmmeter to test continuity between the The parking brake switch is located under the fuel tank terminals (fi gure 17). near the locking lever (Figure 16). Plunger out –...
  • Page 36: Switch, Key

    GLOSSARY Switch, Key Purpose This component provides the proper switching for the starter, ignition, accessories, and safety circuits (Figure 18). Figure 19 swign Position Condition G+M+A1 Reverse Caution (Run 1) B+A 1 & L+A 2 Normal Mowing (Run 2) B+A 1 Start B+S+A 1 Figure 18...
  • Page 37: Switch, Seat (Electric Pto Clutch)

    GLOSSARY Switch, Seat (Electric PTO Clutch) Units equipped with hydrostatic transmissions The reverse switch is located on the right side of the Purpose transmission near the brake (Figure 21). Shuts the engine down if the operator gets off the seat with the brake not applied.
  • Page 38: Switch, Seat (Manual Pto Clutch)

    GLOSSARY Switch, Seat (Manual PTO Clutch) Switch, PTO (Electric PTO) Purpose Purpose To shut the engine down if the operator gets off the The PTO switch is used to engage the electric clutch seat while the engine is running with the PTO engaged (Figure 24).
  • Page 39: Switch, Pto (Manual Pto)

    2006 LX420, LX460 the ignition switch and the electric clutch. Pulling Purpose the switch to the on position closes these contacts Part of the safety interlock system: providing voltage to the electric clutch. 1. Prevents the engine from cranking if the PTO lever is in the engaged position.
  • Page 40: Systems Indicator Monitor / Hourmeter

    LX420, LX460 2006 Systems Indicator Monitor / Hourmeter Purpose Lights on the monitor panel are used to indicate the position of the brake and PTO controls, as well as the condition of the battery charging system. The LCD at the center of the panel displays accumulated engine hours and fl...
  • Page 41 2006 LX420, LX460 LX420 Information List (2006) LX460 Information List (2006) Wiring Diagram....... 4-2 Circuit Diagrams Starter Motor Circuit .
  • Page 42: Wiring Diagram

    LX420, LX460 2006 Wiring Diagram IGNITION SWITCH G M A1 RUN 1 B A1 AND L A2 RUN 2 B A1 START B S A1 HEADLIGHT HARNESS BRAKE SWITCH BRAKE SWITCH IS SHOWN WITH BRAKE APPLIED Y/BK OR/BK OR/BK Y/BK BRAKE + OR/BK BRAKE...
  • Page 43 2006 LX420, LX460 Wiring Diagram WIRE COLOR CODES BROWN PINK OR/BK ORANGE BLACK BLUE BLACK OR/W ORANGE WHITE GRAY YELLOW YELLOW WHITE WHITE Y/BK YELLOW BLACK PURPLE GREEN RED WHITE ORANGE R/BK RED BLACK FUSE STARTER PTO SWITCH START PTO SWITCH IS SHOWN WITH PTO OFF Y/BK OR/BK...
  • Page 44: Starter Motor Circuit

    LX420, LX460 2006 Starter Motor Circuit (ignition switch in “start”) OR/W Starter Motor (Energized) Starter Solenoid Brake Switch (Energized) PTO Switch (Brake Applied) (PTO Off) OR/BK OR/W Battery Fuse Ignition Switch (20 Amp) (In Start) Fuel Solenoid (Energized) Headlight Harness (Headlights on) WIRE COLOR CODES BROWN...
  • Page 45 2006 LX420, LX460 Spark Circuit (ignition switch in “start”) Dashed lines do not carry current Ignition Switch (In Start) SPARK PLUG Brake Switch (Brake Applied) IGNITION MODULE Seat Switch (Operator On) PTO Switch (PTO Off) WIRE COLOR CODES BROWN PINK OR/BK ORANGE BLACK BLUE...
  • Page 46: Spark Circuits

    LX420, LX460 2006 Spark Circuit (ignition switch in “Normal”, PTO “on”) Dashed lines do not carry current SPARK PLUG Brake Switch (Brake Off) IGNITION MODULE Y/BK Seat Switch (Operator On) PTO Switch (PTO On) Y/BK PB Bypass Magneto Y/BK Y/BK Ground Park Switch (Brake Off)
  • Page 47 2006 LX420, LX460 Spark Circuit (ignition switch in “Normal”, operator “off”, brake “on”, PTO “off”) SPARK PLUG PTO Switch (PTO Off) IGNITION MODULE Y/BK Seat Switch (Operator Off) Brake Switch (Brake On) Y/BK PB Bypass Y/BK Magneto Y/BK Ground Park Switch (Brake Off) A1 Power Park Sw...
  • Page 48 LX420, LX460 2006 Spark Circuit (ignition switch in “Normal”, operator “off”, brake “on”, PTO “on”) SPARK PLUG Brake Switch (Brake On) IGNITION MODULE Y/BK Seat Switch (Operator Off) PTO Switch (PTO On) Y/BK PB Bypass Y/BK Magneto Y/BK Ground Park Switch (Brake Off) A1 Power Park Sw...
  • Page 49: Reverse Operating System

    2006 LX420, LX460 Reverse Operating System (ignition switch in “Normal”, PTO “on”, transmission in “reverse”) SPARK PLUG Brake Switch (Brake Off) IGNITION Y/BK MODULE Seat Switch (Operator On) PTO Switch (PTO On) Y/BK PB Bypass Y/BK Y/BK Magneto Ground Park Switch (Brake Off) A1 Power Park Sw...
  • Page 50 LX420, LX460 2006 Reverse Oprerating System (ignition switch in “Reverse Caution”, PTO “on”) Dashed lines do not carry current SPARK PLUG Brake Switch (Brake Off) IGNITION Y/BK MODULE Seat Switch (Operator On) PTO Switch (PTO On) Y/BK PB Bypass Y/BK Magneto Y/BK Park Switch...
  • Page 51 2006 LX420, LX460 Reverse Operating System (ignition switch in “Reverse Caution”, transmission in “reverse”, PTO “on”) Dashed lines do not carry current SPARK PLUG Brake Switch (Brake Off) IGNITION MODULE Y/BK Seat Switch (Operator On) PTO Switch (PTO On) Y/BK PB Bypass Magneto Y/BK...
  • Page 52 LX420, LX460 2006 Reverse Operating System (ignition switch in “Reverse Caution”, RMC “activated”, transmission in “reverse”, PTO “on”) Dashed lines do not carry current SPARK PLUG Brake Switch (Brake Off) IGNITION MODULE Y/BK Seat Switch (Operator On) PTO Switch (PTO On) Y/BK PB Bypass Magneto...
  • Page 53 2006 LX500,GT2100 GT2200, GT2300 LX500 Information List (2006) GT2100 Information List (2006) GT2100 Information List (2006) GT2100 Information List (2006) Wiring Diagram....... 5-2 Circuit Diagrams Starter Motor Circuit .
  • Page 54: Wiring Diagram

    LX500, GT2100 2006 GT2200, GT2300 Wiring Diagram IGNITION SWITCH G M A1 RUN 1 B A1 AND L A2 RUN 2 B A1 START B S A1 HEADLIGHT HARNESS BRAKE SWITCH BRAKE SWITCH IS SHOWN WITH BRAKE APPLIED OR/BK BU/W BU/W CLUTCH Relay...
  • Page 55 2006 LX500, GT2100 GT2200, GT2300 Wiring Diagram WIRE COLOR CODES BROWN PINK OR/BK ORANGE BLACK BLUE BLACK OR/W ORANGE WHITE GRAY YELLOW YELLOW WHITE WHITE Y/BK YELLOW BLACK PURPLE GREEN RED WHITE ORANGE R/BK RED BLACK FUSE STARTER PTO SWITCH START PTO SWITCH IS SHOWN WITH PTO OFF...
  • Page 56: Starter Motor Circuit

    LX500, GT2100 2006 GT2200, GT2300 Starter Motor Circuit (ignition switch in “start”) OR/W Starter Motor PTO Switch (Energized) Starter Solenoid (PTO Off) Brake Switch (Energized) (Brake Applied) OR/BK OR/W Battery Fuse Ignition Switch (20 Amp) (In Start) Fuel Solenoid (Energized) Headlight Harness (Headlights on) WIRE COLOR CODES...
  • Page 57 2006 LX500,GT2100 GT2200, GT2300 Spark Circuit (ignition switch in “start”) Dashed lines do not carry current Ignition Switch (In Start) SPARK PLUG SPARK PLUG Seat Switch Brake Switch (Operator On) (Brake Applied) IGNITION MODULES WIRE COLOR CODES BROWN PINK OR/BK ORANGE BLACK BLUE BLACK...
  • Page 58: Spark Circuits

    LX500, GT2100 2006 GT2200, GT2300 Spark Circuit (ignition switch in “Normal”, PTO “on”) Dashed lines do not carry current SPARK PLUG SPARK PLUG Brake Switch Fuel Solenoid (Brake Off) (Energized) IGNITION MODULES Seat Switch (Operator On) Headlight Harness (Headlights on) Seat Switch Ground A1 Power...
  • Page 59: Pto Circuits

    2006 LX500,GT2100 GT2200, GT2300 PTO Circuit (ignition switch in “Normal”, operator “off”, brake “on”) Dashed lines do not carry current SPARK PLUG SPARK PLUG Brake Switch Fuel Solenoid (Brake On) (Energized) IGNITION MODULES Seat Switch (Operator Off) Headlight Harness (Headlights on) Seat Switch Ground A1 Power...
  • Page 60 LX500, GT2100 2006 GT2200, GT2300 PTO Circuit (ignition switch in “Normal”, operator “off”, PTO “on”) Dashed lines do not carry current SPARK PLUG SPARK PLUG Brake Switch Fuel Solenoid (Brake Off) (Energized) IGNITION MODULES Seat Switch (Operator Off) Headlight Harness (Headlights on) Seat Switch Ground...
  • Page 61: Reverse Operating System

    2006 LX500,GT2100 GT2200, GT2300 Reverse Operating System (ignition switch in “Reverse Caution”, PTO “on”, transmission in “foward”) Dashed lines do not carry current SPARK PLUG SPARK PLUG Brake Switch Fuel Solenoid (Brake Off) (Energized) IGNITION MODULES Seat Switch (Operator On) Headlight Harness (Headlights on) Seat Switch...
  • Page 62 LX500, GT2100 2006 GT2200, GT2300 Reverse Operating System (ignition switch in “Normal”, PTO “on”, transmission in “reverse”) Dashed lines do not carry current SPARK PLUG SPARK PLUG Brake Switch Fuel Solenoid (Brake Off) (Energized) IGNITION MODULES Seat Switch (Operator On) Headlight Harness (Headlights on) Seat Switch...
  • Page 63 2006 LX500,GT2100 GT2200, GT2300 PTO Circuit (ignition switch in “Reverse Caution”, PTO “on”, transmission in “reverse”) Dashed lines do not carry current SPARK PLUG SPARK PLUG Brake Switch Fuel Solenoid (Brake Off) (Energized) IGNITION MODULES Seat Switch (Operator On) Headlight Harness (Headlights on) Seat Switch Ground...
  • Page 64 LX500, GT2100 2006 GT2200, GT2300 PTO Circuit (ignition switch in “Reverse Caution”, RMC “activated”, PTO “on”, transmission in “reverse”) Dashed lines do not carry current SPARK PLUG SPARK PLUG Brake Switch Fuel Solenoid (Brake Off) (Energized) IGNITION MODULES Seat Switch (Operator On) Headlight Harness (Headlights on)
  • Page 65 2006 LX Series Lawn Tractors GT2000 Series Garden Tractors Demystifi cation Guide Form No. 492-9161...

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