Toro LX Series 2006 Manual de usuario

Consumer Products

2006

SERIES LAWN TRACTORS

LX SERIES LAWN TRACTORSLX

GT2000 SERIES GARDEN TRACTORS

DEMYSTIFICATION GUIDE

About this manual

We hope that you ﬁ nd this manual a valuable addition to your service shop. If you

have comments or questions about this manual contact your Distributor Service

Manager or us directly at the following assress:

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.

The Toro Company - 2006

Bloomington, MN 55420-1149 - U.S.

TABLE OF CONTENTS

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Table of contents

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1-1

Time Savers

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2-1

Glossary

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-1

LX420 / LX460

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-1

LX500 / GT2100 / GT2200 / GT2300

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5-1

CHAPTER PAGE

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2-2

Using a VOM

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2-7

Troubleshooting

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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GLOSSARY

Demysti

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ction Glossary

ﬁ ction Glossary ﬁ

1-11

GLOSSARY

Solenoid, Starter

Location

The starter solenoid is located under the rear fender

assembly to the right of the battery (Figure 8).

Purpose

The solenoidʼs purpose is simply to connect the

battery to the starter motor when the ignition switch

is turned to “START”. The solenoid is used to protect

the ignition switch from the high current drawn by the

starter motor.

How it Works

The solenoid has two primary parts. One is a coil of

wire wrapped around an iron core. Whenever 12 volts

is applied to the coil, it becomes a magnet. The other

part is a bar type switch (Figure 9). Because it has a

large contact area with the contact terminals it can

easily handle the high current loads required by the

starter motor.

When 12 volts is applied to the coil, it becomes an

electromagnet. This quickly pulls the bar toward

contacts and closes the switch. When power is

removed from the coil, the spring loaded bar returns

to its “normally open” position. The solenoid closes

and opens the switch very quickly. This minimizes the

“arcing” that can damage other types of switches.

The ignition switch is protected because only a small

amount of current is needed to activate the coil.

Testing

1. Disconnect the solenoid from the wiring harness.

2. With a multimeter (ohms setting), check to ensure

that terminals “c” and “d” are open (no continuity)

(Figure 10).

3. Apply +12 VDC to terminal “a” and ground mounting

tab “b”. Terminals “c” and “d” should now be closed

(continuity) (Figure 10).

4. You should be able to hear the solenoid switch

“click” when you make the connection.

(A) & (B) Coil Terminals (C) & (D) Contact Terminals

Solenoid

(not energized)

Figure 8

solloc

Figure 9

start sol

Figure 10

start sol

The components are listed

alphabetically by noun, followed

by any adjectives. If you have

trouble finding a component, use

the Table of Contents at the front

of the Glossary section.

The Glossary contains

information on virtually every

electrical part used on Toro

riding products.

These three sections should be

all you need to diagnose

problems on individual

components.

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2006

LX420, LX460

Demysti

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Information List

LX420 Information List (2006)

LX460 Information List (2006)

Wiring Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 2

Circuit Diagrams

Starter Motor Circuit . . . . . . . . . . . . . . . . . . . . . 3 - 4

Spark Circuits . . . . . . . . . . . . . . . . . . . . 3 - 5 - 3 - 12

Each product series has its own

section including:

- Info List

- Wiring Diagrams

- Circuit Diagrams

The "Info List" is the

first page of each

product section.

Each product section has its own

"Table of Contents" to keep things

simple.

Image helps you quickly

identify product sections.

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Wiring Diagram

LX420, LX460

2006

2-2

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cation Guide

ﬁ cation Guideﬁ

Wiring Diagram

Y Y

Y/BK

Y/W

GND

OR OR/BK OR/BK

R/W

R/W R/W

R/W

HEADLIGHT HARNESS

IGNITION SWITCH

OFF G M A1

RUN 1 B A1 AND L A2

RUN 2 B A1

START B S A1

L M S B A1

BRAKE +

BRAKE

PTO

PTO +

N/C

GND

+ 12V

SYSTEMS INDICATOR MONITOR / HOUR METER

BRAKE SWITCH

BRAKE SWITCH IS SHOWN

WITH BRAKE APPLIED

PARK SWITCH

PARK SWITCH IS SHOWN

PARK BRAKE ON

OR/BK

OR/W OR/W

Each product section includes

the original wiring diagram.

The wiring diagrams

are drawn on a two

page spread to make

them easier to read.

The arrows show the

conection point.

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Wiring Diagram

2006

LX420, LX460

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Wiring Diagram

IGNITION

MODULE

SPARK PLUG

PUR

R R

Y/BK

Y/WY/W

Y/W YELLOW WHITE

OR/BK OR/W

BROWN

BLUE

GRAY

WHITE

PURPLE

RED

PINK

BLACK

YELLOW

TAN

GREEN

ORANGE

WIRE COLOR CODES

R/WR/W

R/W

YELLOW BLACK

RED WHITE

R/W

REG

START

MAG

B+ +

STARTER

SOLENOID

FUSE

A1 POWER PB BYPASS

PARK SW

MAGNETO

A2 POWER GROUND

RMC MODULE

REV SW

PTO SWITCH

PTO SWITCH IS SHOWN

WITH PTO OFF

20A

AFTERFIRE

SOLENOID

SEAT SWITCH

SEAT SWITCH IS SHOWN

WITH OPERATOR PRESENT

REVERSE SWITCH

REVERSE SWITCH IS

SHOWN IN FORWARD

OR/W

OR/BK

OR/W

ORNGE BLACK

ORNGE WHITE

R/BK

R/BK RED BLACK

The wiring diagram

closely represents the

wiring harness and is

very useful in

diagnosing short

circuits.

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PUR

Y/BK

Y/W YELLOW WHITE

BROWN

BLUE

GRAY

WHITE

PURPLE

RED

PINK

BLACK

YELLOW

TAN

GREEN

ORANGE

WIRE COLOR CODES

R/W

YELLOW BLACK

RED WHITE

OR/BK

OR/W

ORNGE BLACK

ORNGE WHITE

R/BK RED BLACK

Demysti

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3-5

Circuits

2006

LX500,GT2100

GT2200, GT2300

Starter Motor Circuit

(ignition switch in “start”)

Spark Circuit

(ignition switch in “start”)

Fuel Solenoid

(Energized)

Headlight Harness

(Headlights on)

Battery Fuse

(20 Amp)

Ignition Switch

(In Start)

Starter Motor

(Energized)

Starter Solenoid

(Energized)

Brake Switch

(Brake Applied)

PTO Switch

(PTO Off)

R R R

Or Or/bk Or/w

Or/w

Bu Gn

IGNITION

MODULES

SPARK PLUG SPARK PLUG

Dashed lines do not carry current

GN Y

Y/W

Ignition Switch

(In Start)

Brake Switch

(Brake Applied)

Seat Switch

(Operator On)

Each circuit is shown

individually. Components

not essential for circuit

function are not shown.

Additional information is

called out beneath the

title in parenthesis.

Each circuit diagram

page has a color code

legend.

Solid lines indicate

wires that carry current.

Components with

internal circuitry are

enclosed with a dashed

line.

Each component is

named and additional

information is supplied

below in parentheses.

Circuits are drawn such that

current usually flows from left

to right (the same way you read).

Circuit diagrams make

troubleshooting easy

and fun because each

circuit is drawn individually.

They make troubleshooting

open circuits a snap.

Wire colors are called

out at each component

(where you're most

likely to use them!)

Each component (i.e.

switches, relays,

solenoids) are drawn in

the position necessary to

make the circuit function.

Dashed lines represent wires that

are important to the circuit, but do

not carry current.

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