EN Cat Motor Grader 140H and 160H Electrical System Schematic Manual – PDF DOWNLOAD by www.heydownloads.com

102

Wire Color

Lighting Circuits (cont'd)

Air Dryer

Bat (+)

603

Beacon

Speed Sensor (Ground)

Headlamp Breaker To Headlamp SW

604

Schematic Location K-13

Machine Location 1

Alarm - Action

A-14

Stop Lamp

Alarm - Backup

L-18

Alternator

J-13

0096

Fuel Level Sender

103

Tail Lamps/Panel Lamps

605

Turn Lamp - LH

0248

Data Link

105

Key SW

606

Turn Lamp - RH

0263

Sensor Power Supply

106

Battery #1 To Battery #2

608

Flood Lamp - Rear

0271

Action Alarm

0324

Action Lamp

0615

Position Sensor (Articulation Angle)

0819

Display Data Link

0821

Display Power Supply

108

Dome Lamp

609

Flood Lamp - Snow Wing

109

Alt Output (+) Term.

610

Headlamp Dimmer SW

112

Electronic Engine Control System (MID No. 036) CID

Component

Main Power Relay Output

611

Component

Description

113

Opr Mon Panel B (+) Switched

612

Aux Backup Lamp

114

Warning Horn (Forward)

614

Tail Lamps

115

Lightbar Worklamp Breaker /Turn/Hazard/Breaker

615

Cab Floodlamps Relay

116

Floodlamp SW

617

LH Position Lamps Relay

Machine Location 11

Motor - Rear Washer

K-11

Motor - Rear Wiper

C-11

Motor - Secondary Steering

J-12

Motor - Rear Defroster

C-3

Motor - Starter

J-14

Arc Suppressor AC Clutch

G-14

Power Port - 12V

B-3

Arc Suppressor Differential Unlock

K-16

Radio - AM/FM

C-3

15 15

Antenna - AM/FM Radio

Head Lamp (High)

Schematic Location C-11

Component

Batteries - 12 Volt

I-13

Radio - AM/FM Cassette

C-3

Beacon

C-11

Receptacle - Aux. Start

K-13

Beacon - Open Rops

C-15

Relay - Aux. Backup Lamp

D-7

Block - B+ Junction

I-13

Relay - Cab Floodlamps

K-8

B B

Breaker - Alternator

H-13

Relay - LH Position Lamp

K-8

Breaker - Engine Control

G-13

Relay - Main

H-13

Breaker - Headlamp

G-13

Relay - Position Lamp Coupler

J-8

0001

Injector Cylinder Solenoid #1

117

Aux Backup Lamp

618

RH Position Lamps Relay

0002

Injector Cylinder Solenoid #2

118

Front Wipers

619

Head Lamp (Low)

0003

Injector Cylinder Solenoid #3

119

Rear Wipers

629

Lightbar Worklamp

0004

Injector Cylinder Solenoid #4

120

Cab Floodlamps Relay

633

Moldboard Lamps

0005

Injector Cylinder Solenoid #5

Control - Engine ECM

122

Air Dryer

647

Aux Backup Lamp SW

Control - Secondary Steering

124

A/C

668

Headlamp SW

Control - Transmission

D-14,F-14

126

XMSN Control

685

Blade Floodlamps

Converter - 24V To 12V (Comm. Radio)

D-3

Converter - 24V TO 12V (Entertain. Radio)

L-9

Breaker - Ltbar Worklamp/Hazard/Turn/Panel

G-13

Relay - RH Position Lamp

J-8

Breaker - Main

H-13

Relay - Secondary Steering

J-13

Cap - Service Tool Connector

A-11

Relay - Start Aid

L-13

I-18,D-18

Relay - Starter

G-13

A-16

Relay - Tail/Panel Lamps

K-8

Resistor - Front Defroster

C-2

Resistor - Heater/AC

B-16

Resistor - Panel Lamp

K-4

0006

Injector Cylinder Solenoid #6

0041

ECM 8 Volt DC Supply

0091

Throttle Sensor

0094

Fuel Pressure Sensor

127

Park Brake Solenoid

0100

Oil Pressure Sensor

129

Lighter

718

Not Used

Converter - 24V TO 12V (Power Port)

L-11

Resistor - Rear Defroster

C-10

0110

Engine Coolant Temperature Sensor

130

Stop Lamp Pressure SW

719

Not Used

Diode - Floodlamps Coupler

J-8

Resistor - Secondary Steering

K-13

0168

Electrical System Voltage

134

Secondary Steering Test SW

727

Secondary Steering Motor Relay

Diode - Moldboard Lamp

E-9

Sender - Articulation Angle

H-11

0172

Inlet Air Temperature Sensor

135

12V Power Port

728

Primary Steering Pressure SW

Diode - Snow Wing Lamp

E-9

Sender - Coolant Temperature

I-14

0174

Fuel Temperature Sensor

136

Secondary Steering Control

751

XMSN Shift Solenoid #3

Diode - LH Turn Indicator

L-2

Sender - Fuel Level

G-14

0190

Engine Speed Signal

Secondary Steering Motor

752

XMSN Shift Solenoid #1

L-2

Sender - Fuel Temperature

J-16

CAT Data Link

137

Diode - RH Turn Indicator

0248

141

Front Defroster SW

754

XMSN Shift Solenoid #2

Flasher

K-8

Sender - Intake Air Temperature

J-15

Beacon SW

755

XMSN Shift Solenoid #8

Fuse Block - Overhead

C-4,C-5

Sensor - Atmospheric Pressure

J-15

Fuse Block - Switched Power

J-5

Sensor - Cam Speed Timing

I-15

Control Circuits

0253

Personality Module Mismatch

0254

Engine ECM

144

0261

Engine Speed Sensor

147

24V To 12V Converter (Aux Power Port)

796

Not Used

0262

5 Volt Sensor Supply

148

Snow Wing Lamp SW

797

Not Used

0267

Engine Shutdown Switch

0268

Programmable Parameters

0273

Turbo Outlet Pressure Sensor

0274

Atmospheric Pressure Sensor

0290

Fan Drive Pressure Sensor

0291

Fan Drive Solenoid

149 150

PU RD

Floodlamp SW

A701

Engine Control Breaker

A702

GY PU

Fuel Injector #1 Fuel Injector #2

151

Rear Defroster SW

A703

Fuel Injector #3

155

Not Used

A704

Fuel Injector #4

160

Heated Mirrors SW

A705

Fuel Injector #5

Moldboard Lamp SW

A706

Fuel Injector #6

Fuse Block - Unswitched Power

J-7

Sensor - Crank Speed Timing

I-15

Fuses - Overhead

C-5

Sensor - Engine Oil Pressure

I-16

Fuses - Switched Power

I-4

Sensor - Fan Drive Pressure

J-18,K-18

Fuses - Unswitched Power

I-6

Sensor - Fuel Pressure

J-15

Gauge - LH Air Pressure

G-1

Sensor - Inching Pedal Position

F-6

Gauge - RH Air Pressure

G-1

Sensor - Throttle Position

K-9

Ground - Cab Boss 2 (Cab Front)

B-7

Sensor - Turbo Outlet Pressure

J-15

18 21

0296

Unable to Communicate with Transmission ECM

162

0297

Unable to Communicate with All Wheel Drive ECM

165

Differential Lock SW

A746

Turbo Outlet Pressure Sensor

0342

Cam Speed Timing Sensor

169

Blade Cushion SW/Centershift Pin SW

A747

ATM Pressure Sensor

0545

Start Aid Relay

170

Product Link (Connector #24)

A751

Fuel Temperature Sender

0548

Throttle Lock Indicator Lamp

173

Turn Signal SW/Flasher

A755

Throttle Speed Set SW

0549

Throttle Lock Switch

Ground - Platform Boss 2

176

24V To 12V Converter (Communication Radio)

E708

Opr Mon Display Module Clock

0562

Unable to Communicate with CAT Monitoring System

Ground - Rear Frame Boss 2 (RH Side)

0600

Hydraulic Oil Temperature

177

Main Breaker

E735

Operator Mode SW

Ground - Rear Frame Boss 3 (LH Side)

179

24V To 12V Converter (Entertainment Radio)

F715

Ground Level Shutdown SW (N/O)

Ground - Rear Frame Boss 5 (RH Side)

185

Not Used

F716

Ground Level Shutdown SW (N/C)

Ground - Service Center Boss 1 (LH Side)

F762

Start Aid Relay

Ground - Service Center Boss 2 (RH Side)

Electronic Transmission Control System (MID No. 081) CID

Ground Circuits

Component

Ground - Cab Boss 3 (Upper Cab)

D-3

Sensor - XMSN Input Speed

B-18

Ground - Engine Block Boss (RH Side)

J-14

Sensor - XMSN Output Speed Sensor #1

B-18

Ground - Front Frame Boss 2 (LH Side)

I-9

Sensor - XMSN Output Speed Sensor #2

A-18

Ground - Front Frame Boss 3 (LH Side)

E-9

Sensor - XMSN Temperature

B-17

J-11

Shifter - XMSN

A-12

H-12

Solenoid - AC Clutch

H-15

K-15

Solenoid - Blade Cushion #1

I-5

F-12

Solenoid - Blade Cushion #2

I-4

K-14

Solenoid - Centershift Pin

E-7

K-14

Solenoid - Differential Unlock

K-16

0168

Electrical System Voltage

200

Main Chassis

F775

Centershift Pin Solenoid

Ground Strap - Articulation Joint

J-10

Solenoid - Ether Start Aid

K-13

0177

Temperature Sensor (Transmission Oil)

201

Operator Monitor Panel

H746

Fan Drive Solenoid

Ground Strap - Engine Block To Engine ECM

D-18

Solenoid - Forward Horn

F-7

0248

CAT Data Link

202

XMSN Control

H747

Fan Drive Solenoid Return

Ground Strap - Platform To Cab

K-11

Solenoid - Fuel Injector #1

J-18

Not Used

Ground Strap - Platform To XMSN Control

D-14

Solenoid - Fuel Injector #2

J-18

B-16

Solenoid - Fuel Injector #3

I-18

0268

Programmable Parameter

0444

Magnetic Switch (Start Relay)

206

Battery #1 To Master Disconnect SW

J701

Not Used

Group - A/C

0520

Configuration (Transmission)

210

AM/FM Radio

J702

Air Inlet Heater Return

Group - Heater

B-16

Solenoid - Fuel Injector #4

I-18

0562

Caterpillar Monitoring System

229

Product Link (Connector #24)

J764

Autoshift SW

Group - Light Duty Heater

B-16

Solenoid - Fuel Injector #5

I-18

0573

Position Sensor (Inching Pedal)

Engine ECM (Solenoid Return)

J765

Inching Pedal Limit SW

H-15,I-15

Solenoid - Fuel Injector #6

I-18

Speed Sensor (Transmission Output) (No. 1)

232

Heater - Jacket water

0585

290

Caterpillar Monitoring System (Service)

J766

Brake Pedal Limit SW

Jumper Plug - Secondary Steering

A-15

Solenoid - Hydraulic Fan

K-9

291

Caterpillar Monitoring System (Clear)

K748

Secondary Steering Resistor

Lamp - Action

J-1

Solenoid - Parking Brake

E-6

Lamp - AIH Indicator

K-1

Solenoid - XMSN (1st)

C-18

Lamp - Autoshift Indicator

J-1

Solenoid - XMSN (2nd)

C-18

Lamp - Centershift Pin Indicator

K-1

Solenoid - XMSN (3rd)

C-18

Lamp - Differential Lock Indicator

K-1

Solenoid - XMSN (Forward High)

D-18

Lamp - Dome

C-3

Solenoid - XMSN (Forward Low)

D-18

Lamp - Hazards Indicator

L-1

Solenoid - XMSN (High Range)

C-18

Lamp - High Beam Indicator

K-1

Solenoid - XMSN (Low Range)

C-18

Lamp - HVAC Panel

C-16

Solenoid - XMSN (Reverse)

D-18

Lamp - LH Blade Floodlamp

G-4

Speaker - Left Hand

D-2

Lamp - LH Cab High Beam Headlamp

C-2

Speaker - Right Hand

B-2

205

Console/Panel

J700

0637

Backup Alarm

0668

Transmission Control (Shift Lever)

0669

Speed Sensor (Transmission Input)

A287

Engine ECM Control

823

Not Used

0673

Speed Sensor (Transmission Output) (No. 2)

C203

Not Used

892

(-) Cat Data Link

0674

Speed Sensor (Intermediate Transmission) (No. 1)

0675

Speed Sensor (Intermediate Transmission) (No. 2)

0868

Indicator Lamp (Automatic Shift)

Basic Machine Circuits

893

(+) Cat Data Link

304

Starter Relay No. 1 Output

F842

AIH Indicator Lamp

306

Starter Relay Coil

F843

Inching Pedal Position Sensor

307

Key Start SW

G828

Pressure Sensor (Power)

308

Main Power Relay Coil

G829

Pressure Sensor (Return)

1401

Solenoid Valve (Forward High)

1402

Solenoid Valve (Forward Low)

1403

Solenoid Valve (Reverse)

1404

Solenoid Valve (Speed Clutch) (No. 2)

321

Backup Alarm

G833

Temperature Sensor (Return)

1405

Solenoid Valve (Speed Clutch) (No. 3)

322

Warning Horn (Forward)

G850

Air Inlet Heater

1406

Solenoid Valve (Speed Clutch) (No. 1)

G856

(+) TDC Probe

Lamp - LH Cab Low Beam Headlamp

C-2

Switch - AC Pressure

G-15

1407

Solenoid Valve (Low Range)

403

Alternator (R) Term.

G857

(-) TDC Probe

Lamp - LH Cab Position

D-2

Switch - Autoshift

C-11

1408

Solenoid Valve (High Range)

404

Opr Mon Hydraulic Temperature

G858

Not Used

C-2

Switch - Aux Backup Lamp

A-7

Limit Switch (Inching Pedal)

Lamp - LH Cab Turn Signal

1484

408

Opr Mon Brake System Pressure

J844

Analog Sensor (Power)

1580

Indicator Lamp (Transmission Filter)

Lamp - LH High/Low/Position/Turn

F-1

Switch - Beacon

B-10

410

Opr Mon Action Alarm

R800

Digital Sensor (Power)

Lamp - LH Inner Cab Floodlamp

D-2

Switch - Blade Cushion

C-12

¹ The CID is a diagnostic code that indicates which component is faulty.

411

Opr Mon Action Lamp

900

XMSN Shift Solenoid #4

Lamp - LH Lightbar High Beam Headlamp

F-1

Switch - Blower (Heater/AC)

C-16

² The MID is a diagnostic code that indicates which electronic control module diagnosed the fault.

417

Opr Mon Primary Steering Pressure

901

XMSN Shift Solenoid #6

Lamp - LH Lightbar Low Beam

F-1

Switch - Brake Pedal Limit

F-6

419

Opr Mon Parking Brake

902

XMSN Shift Solenoid #5

Lamp - LH Lightbar Turn Signal

F-1

Switch - Centershift Pin

C-12

426

XMSN Filter Bypass

903

XMSN Shift Solenoid #7

Lamp - LH Lightbar Worklamp

F-3

Switch - Centershift Pin Indicator

E-6

432

Service Brake SW (Engine ECM)

911

Not Used

Lamp - LH Moldboard

I-4

Switch - Differential Lock

Monitoring Circuits

Failure Mode Identifiers (FMI)¹ FMI No.

Failure Description

Part Number: for Connector Receptacle

2 Plug

Receptacle Pin or Socket Number

1 2

Deutsch connector: Typical representation of a Deutsch connector. The plug contains all sockets and the receptacle contains all pins.

1 2

Sure-Seal connector: Typical representation of a Sure-Seal connector. The plug and receptacle contain both pins and sockets.

5A 9X-1123

Fuse (5 Amps)

Component Part Number

325-AG135 PK-14

Volume 1

Harness identification code: This example indicates wire group 325, wire 135 in harness "AG".

Wire Gauge Wire Color

Printed in U.S.A.

Connector Location Schematic Location

Machine Location

CONN 1 (VOLUME 1 ONLY)

L-18

CONN 2

J-17

CONN 3

B-17

K-5

CONN 4

A-17

32 32

Connector Number

CONN 5

A-17

CONN 6

A-17

450

Not Used

977

Autoshift SW

Lamp - LH Rear Turn

L-18

Switch - Front Defroster

A-10

CONN 7

D-16

458

Opr Mon Display Module Power

994

Engine Oil Pressure

Lamp - LH Stop/Tail

L-18

Switch - Front Lower Wiper (NOTE B)

A-9

CONN 8

Lamp - LH Turn Indicator

K-1

Switch - Front Lower Wiper (NOTE C)

A-9

CONN 9

Lamp - License Plate

L-18

Switch - Front Upper Wiper (NOTE B)

B-9

CONN 10

L-16

CONN 11

B-15

CONN 12

B-15

CONN 13

A-15

CONN 14

C-14

CONN 15

C-14

CONN 16

H-14

CONN 17

K-14

CONN 18

L-14

CONN 19

L-14

CONN 20

L-13

CONN 21

C-13

CONN 22

E-12,F-12

CONN 23

F-12

CONN 24

F-12

CONN 25

G-12

CONN 26

G-12

12 12

Brake System Pressure SW

A983

Throttle Hold Mode SW

498

Differential Lock Indicator

C912

Throttle Position Sensor (Signal)

995

Coolant Temperature

A982

Throttle Speed Set SW

A429

Opr Mon Articulation Angle

C967

Intake Air Temperature Sender (Signal)

C413

Opr Mon Display Module Data

C975

Throttle Lock

C414

Opr Mon Display Module Load

C977

Inching Pedal Limit SW (N/O)

XMSN Filter Bypass Indicator

C978

Speed Set/Accel

Bad device or component.

C436

Out of calibration.

G434

Hydraulic Oil Temperature (Engine ECM)

C979

Speed Resume/Decel

Parameter failures.

G460

XMSN Temperature Sensor

C991

Fuel Pressure Sensor (Signal)

Accessory Circuits

Condition

Part Number: for Connector Plug

488

Event Codes For Engine ECM

L-C12 3E-5179

K-5

Mechanical system not responding properly.

Event Code

L-C12 3E-5179

AG-C4 111-7898

Harness Connector Serialization Code: The "C" stands for "Connector" and the number indicates which connector in the harness (C1, C2, C3, ...).

I-8,K-8

Current above normal or grounded circuit.

¹The FMI is a diagnostic code that indicates what type of failure has occurred.

Harness Identification Letter(s): (A, B, C, ..., AA, AB, AC, ...)

Switch - Ether Start Aid Range

Parameter failures.

Wire, Cable, or Harness Assembly Identification: Includes Harness Identification Letters and Harness Connector Serialization Codes (see sample).

Switch - Floodlamp

Harness and Wire Symbols

Not Used

Condition not met.

Magnetic Latch Solenoid: A magnetic latch solenoid is an electrical component that is activated by electricity and held latched by a permanent magnet. It has two coils (latch and unlatch) that make electromagnet when current flows through them. It also has an internal switch that places the latch coil circuit open at the time the coil latches.

Secondary Steering Motor Indicator

Solenoid: A solenoid is an electrical component that is activated by electricity. It has a coil that makes an electromagnet when current flows through it. The electromagnet can open or close a valve or move a piece of metal that can do work.

D-2

Sensor supply fault.

Relay (Magnetic Switch): A relay is an electrical component that is activated by electricity. It has a coil that makes an electromagnet when current flows through it. The electromagnet can open or close the switch part of the relay.

160H: ASD225-UP CCP193-UP

L-13

Lamp - LH Rear Floodlamp

486

Module not responding.

140H: CCA1-UP APM412-414 APM416-UP 1261-UP

Sender: A component that is used with a temperature or pressure gauge. The sender measures the temperature or pressure. Its resistance changes to give an indication to the gauge of the temperature or pressure.

Lamp - LH Outer Cab Floodlamp

462

140H and 160H Motor Grader Electrical System

Reed Switch: A switch whose contacts are controlled by a magnet. A magnet closes the contacts of a normally open reed switch; it opens the contacts of a normally closed reed switch.

Solenoid Return #2 (XMSN)

Current below normal or open circuit.

Parameter not available.

Ground (Case): This indicates that the component does not have a wire connected to ground. It is grounded by being fastened to the machine.

Solenoid Return #1 (XMSN)

Voltage below normal or shorted low.

Parameter failures.

Ground (Wired): This indicates that the component is connected to a grounded wire. The grounded wire is fastened to the machine.

Switch (Normally Closed): A switch that will open at a specified point (temp, press, etc.). No circle indicates that the wire cannot be disconnected from the component.

Switch (Normally Open): A switch that will close at a specified point (temp, press, etc.). The circle indicates that the component has screw terminals and a wire can be disconnected from it.

922

Voltage above normal or shorted high.

Failure mode not identifiable.

Fuse: A component in an electrical circuit that will open the circuit if too much current flows through it.

921

Data erratic, intermittent, or incorrect.

Symbols and Definitions

Centershift Pin Indicator

Abnormal update.

Circuit Breaker Symbol

Flow Symbol

Fuel Level Gauge

Abnormal rate of change.

Level Symbol

Data valid but below normal operational range.

Temperature Symbol

Pressure Symbol

439

Data valid but above normal operational range.

Abnormal frequency, pulse width, or period.

Symbols

447

Harness And Wire Electrical Schematic Symbols

E900

(+) XMSN Output Speed Sensor 1

Lamp - RH Cab High Beam Headlamp

B-2

Switch - Front Upper Wiper (NOTE C)

B-9

Lamp - RH Blade Floodlamp

G-4

Switch - Ground Level Shutdown

D-17

Lamp - RH Cab Low Beam Headlamp

B-2

Switch - Headlamp

L-3

Lamp - RH Cab Position

B-2

Switch - Headlamp Dimmer

K-4

Lamp - RH Cab Turn Signal

B-2

Switch - Heated Mirrors

B-7

Lamp - RH High/Low/Position/Turn

F-1

Switch - Heater Thermostat

C-16

Lamp - RH Inner Cab Floodlamp

B-2

Switch - Horn

K-7

Lamp - RH Lightbar High Beam Headlamp

F-1

Switch - Hydraulic Temperature

E-6

Lamp - RH Lightbar Low Beam

E-1

Switch - Inching Pedal Limit

G-6

Lamp - RH Lightbar Turn signal

F-1

Switch - Key

A-15

Lamp - RH Lightbar Worklamp

F-3

Switch - LH Brake System Pressure

F-6

Switch - Lightbar Worklamp

K-4

25 15

9 14

27 2 29

19 18

21 7

TDC Service Probe Aux Backup Lamp

I-16

L-16

500

Wiper - Front Upper (Park)

E901

(-) XMSN Output Speed Sensor 1

501

Wiper - Front Upper (Low)

E902

(+) XMSN Int Speed Sensor 1

Lamp - RH Moldboard

I-4

502

Wiper - Front Upper (HI)

E903

(-) XMSN Int Speed Sensor 1

Lamp - RH Outer Cab Floodlamp

B-2

Switch - Master Disconnect

K-13

503

Wiper - Rear (Park)

E904

(+) XMSN Int Speed Sensor 2

Lamp - RH Rear Floodlamp

L-13

Switch - Moldboard Lamps

B-7

504

Wiper - Rear (Low)

E905

(-) XMSN Int Speed Sensor 2

Lamp - RH Rear Turn Signal

A-18

Switch - Open Rops Beacon

C-15

505

Wiper - Rear (HI)

E906

(+) XMSN Output Speed Sensor 2

Lamp - RH Stop/Taillight

A-18

Switch - Operator Mode

L-1

CONN 27

G-12

506

Washer - Front Upper

E907

(-) XMSN Output Speed Sensor 2

Lamp - RH Turn Indicator

K-1

Switch - Panel Lamp Dimmer

L-4

CONN 28

G-12

Switch - Parking Brake Pressure

E-10

CONN 29

I-12

L-9

CONN 30

I-12

A-10

CONN 31

I-12

CONN 32

L-12

CONN 33

L-12

CONN 34

L-11

A-11

CONN 36

A-10

CONN 37

C-10

CONN 38

C-10

CONN 39

C-10

507

Washer - Rear

E908

(+) XMSN Input Speed Sensor

Lamp - Shift Lever Panel

B-12

508

Radio Speaker - Left

E909

(-) XMSN Input Speed Sensor

Lamp - Snow Wing

E-5

Switch - Primary Steering Pressure

Radio Speaker - Left (Common)

E937

Redundant Neutral

Lamp - Throttle Lock Indicator

L-1

Switch - Rear Defroster

E015

High Engine Coolant Temperature Derate

509

E017

High Engine Coolant Temperature Warning

511

Radio Speaker - Right

E938

First Gear

Lamp - XMSN Filter Bypass Indicator

E025

High Inlet Air Temperature Derate

512

Radio Speaker - Right (Common)

E939

Second Gear

Lighter - Cigar

E027

High Inlet Air Temperature Warning

515

Blower Motor (HI)

E940

Third Gear

Mirror - LH Heated

D-1,E-2

Switch - Secondary Steering Test

C-12

D-1,E-2

Switch - Snow Wing Lamp

A-7

L-1

A-15

Switch - Rear Wiper

A-9

Switch - RH Brake System Pressure

13 11

E-6

CONN 35

Service Tool

Low Engine Oil Pressure Derate

516

Blower Motor (Medium)

E941

Fourth Gear

Mirror - RH Heated

Blower Motor (Low)

E942

Fifth Gear

Module - Caterpillar Monitoring System

I-1

Switch - Stop Lamp Pressure

F-7

Low Fuel Pressure Warning

E053

517

A/C SW To Refrigerant SW

E943

Sixth Gear

H-1

Switch - Tail Lamp

L-4

High Fuel Pressure Warning

521

Module - Quad Gauge

E096

A/C Clutch To Thermostat SW

E944

Seventh Gear

Module - Speedo/Tach

H-1

Switch - Throttle Hold Mode

B-11

Low Engine Oil Pressure Warning

522

Turn Signal SW To Flasher

E945

Eighth Gear

Motor - Blower (Heater/AC)

B-15

Switch - Throttle Speed Set

A-11

Engine Overspeed Warning

537

CONN 40

C-10

538

Hazard Indicator Lamp

E946

Forward Direct

L-8

CONN 41

C-10

K-13

CONN 42

D-10

CONN 43

E-10

CONN 44

E-10

CONN 45

L-9

CONN 46

C-9

E039

E100 E190

539

Monitoring System Service Modes Service Mode

Number

Operator Mode

Harness Code

Parameter Display

Diagnostic Service

Digital Tattletale

Units

Calibration (Articulation Gauge)

Calibration (Transmission Control)

Module Configuration

Monitoring System Operator Modes Operator Mode

Number

Service Meter

Odometer

Digital Tachometer

Diagnostic Scrolling

Cumulative Fuel

Trip Machine Hours

Trip Odometer

Trip Fuel

Reset Trip Values

RH Turn Indicator Lamp

E947

Reverse Direct

540

LH Turn Indicator Lamp

E948

Park

556

Differential Lock SW

E949

Neutral

567

Front Defrost SW

E963

(-) Crank Speed

Motor - Front Defroster Fan

C-2

Switch - Turn Signal

Motor - Front Lower Washer

L-11

Switch - XMSN Filter Bypass

Motor - Front Lower Wiper

G-4

Motor - Front Upper Washer

L-11

Motor - Front Upper Wiper

D-3

4 15 11

Machine locations are repeated for components located close together.

569

Rear Defrost SW

E964

(+) Crank Speed

570

Blade Cushion Solenoid

E965

(-) Cam Speed

575

Wiper - Front Lower (Park)

E966

576

Wiper - Front Lower ( Low)

E974

577

Wiper - Front Lower (High)

G939

Not Used

D = Operator's compartment (Headliner).

578

Wiper - Front Lower (Wash)

G946

Throttle Hold Indicator

E = Operator's compartment (Under seat).

589

A/C Clutch Solenoid

K917

Fan Drive Pressure Sensor (Signal)

592

24V To 12V Converter (Entertainment Radio)

K927

Not Used

Some components listed are ONLY in VOLUME 1 or ONLY in VOLUME 2.

CONN 47

C-9

A = Operator's compartment (Dash).

CONN 48

C-8

(+) Cam Speed

B = Operator's compartment (Steering Console).

CONN 49

C-8

Inching Pedal Limit SW (N/C)

C = Operator's compartment (Right side console).

CONN 50

K-7

CONN 51

G-6

CONN 52

G-6

CONN 53

H-6

A503

Front Defrost Fan (Low)

L983

Injector 1 & 2 (Return)

A504

Rear Defrost Fan (Low)

L984

Injector 3 & 4 (Return)

A506

Front Defrost Fan (High)

L985

Injector 5 & 6 (Return)

A507

Rear Defrost Fan (High)

L987

Ether Start Aid SW

Component Description

Resistance (Ohms)¹

24V To 12V Converter (Entertainment Radio)

M998

Autoshift Indicator Lamp

3E-1906

Solenoid - AC Clutch

Turn Signal Indicator/Flasher

R914

Throttle Hold Mode SW

3E--6332

Solenoid - Start Aid

C542

Heated Mirrors SW

R993

Not Used

3E-7842

Resistor - Secondary Steering

150 ± 7.5

7T-4003

Resistor - Front & Rear Defrost

10 ± .5

9G-1950

Resistor - AC/Heater Blower Motor

Digital Sensor (Return)

600

Panel Lamp (Low)

T914

Throttle Hold (OFF)

601

Panel Lamp (High)

T993

Analog Sensor Return

112-2240

17.6 ± 0.6

Part No.

Machine Codes Machine

Code

140H

140H¹

160H

160H¹

3E-2026

3E-5464

3E-6450

Function Brake Air Pressure (Stop Lamp)

Thermostat

Primary Steering Pressure

Form Number

Alternator:

200-2232

SENR7508

Electric Starting Motor:

165-4619

SENR3581

Electronic Monitoring System:

RENR5740

Engine Control Monitor:

SENR9515

Starting and Charging:

SENR2947

Transmission Electronic Control:

RENR4104

131-4135

25 13

Tap 1.0 ± .05

CONN 65

G-4

32.6 ± 1.6

CONN 66

H-4

CONN 67

I-4

CONN 68

I-4

CONN 69

I-4

CONN 70

H-3

CONN 71

H-3

CONN 72

C-2

CONN 73

C-2,D-2

CONN 74

D-2,E-2

239 To 255

CONN 75

D-2,E-2

25 To 29

CONN 76

H-2

32.6 ± 1.6

CONN 77 (VOLUME 2 ONLY)

A-18

CONN 78 (VOLUME 2 ONLY)

L-18

CONN 79 (VOLUME 2 ONLY)

L-18

CONN 80 (VOLUME 2 ONLY)

I-6

180-5462

5.0 ± 0.3

Solenoid - Centershift Pin

32.6 ± 1.6

1200 kPa MAX

700 ± 100 kPa

A-B, Normally Open

174-3705

Solenoid - Differential Unlock

A-C, Normally Closed

186-1526

Solenoids - XMSN (1st,2nd,3rd,High Range, and Low Range)

(101.5 ± 14.5 psi) 530 ± 40 kPa

Park Brake Pressure

(92.8 psi MAX)

(76.9 ± 5.8 psi)

102 ± 3°C

90° MIN

(215.6 ± 5.4°F)

(194°F MIN)

AC Pressure

Solenoid - Hydraulic Fan

(36 ± 1.4°F)

275 to 1750 kPa ¹

(40 to 255 psi)

173-2018

Sender -

Fuel Level

Full

Normally Open

187-1008

Sender - Articulation Angle

Normally Closed

188-9250

² With increasing pressure the closed condition can be maintained up to 2800 kpa (405 psi), with decreasing pressure the closed condition can be maintained down to 170 kpa (25psi).

31.3 ± 3.0

80° from Full CCW

10 ± 3

Mid-range

85 ± 7

80° from Full CW

185 ± 7 74.0 ± 7.4

Park Brake

Normally Open ²

¹ Contact position at the contacts of the harness connector.

Solenoids -

Forward Horn

191-2298

Resistor - Air Dryer

194-4181

Resistor - Panel Lamp

¹ At room temperature unless otherwise noted.

G-4

152-8346

Empty

I-5

CONN 64

148-2350

Fuel Level

CONN 59

L-5

32 17

1.06 ± 0.05

(30 ± 1.4°F)

Normally Closed

CMS Service Tool

E-4

Solenoid - Fuel Injector

2.2 ± 0.8°c

CONN 58

F-4,F-3

147-0373

-1.1 ± 0.8°c

Normally Open

I-6

CONN 63

8.7 ± 0.4

38 ± 20 kPa

CONN 57

CONN 62

Solenoids - XMSN (Fwd High,Fwd Low,and Reverse)

(5.5 ± 2.9 psi)

I-6

145-1144

60 kPa MAX

640 kPa MAX

Hydraulic Temperature

Contact Position¹

CONN 56

1000

(8.7psi MAX)

(174 psi MAX)

Related Electrical Service Manuals Title

Deactuate

Brake System Pressure

¹ High Ambient Temperature Model 114-9281

Actuate

I-6

B-4

Fuel Temperature

Off Machine Switch Specification

H-6

D-4

Overall 2.0 ± .1

Senders - Intake Air Temperature

CONN 54 CONN 55

CONN 61

Coolant Temperature 130-9811

CONN 60

Solenoids - Blade Cushion (No. 1 & No. 2)

31 20 13

8 12

Resistor, Sender and Solenoid Specifications Part No.

A 25

5 18 3

A541

R998

A513

Lighting Circuits

8.8 To 8.7 10 ± .3

Machine Harness Connector And Component Locations

CONN 81 G-14 5 The connectors shown in this chart are for harness to harness connectors. Connectors that join a harness to a component are generally located at or near the component. See the Component Location Chart.

(Dimensions: 39 inches x 28 inches)

101

Wire Number

Description Power Circuits

Component

0084

Wire Color

30 Page,

CID

Wire Number

RENR9556-02 November 2015

Component Location

Wire Description

RENR9556-02 VOL 1 of 2

Component Identifiers (CID¹) Module Identifier (MID²) Caterpillar Monitoring System (MID No. 030)