C-9 ENGINE FOR CLASS COMBINE APPLICATIONS ELECTRICAL SYSTEM

2001 Caterpillar

Printed in U.S.A.

SENR9578-01

October 2001

C-9 Engine For Claas

Electrical System

CLJ1-UP

Combine Applications

DT Connector Receptacle DT Connector Plug

Plug Wedge

Receptacle Wedge

HD Connector Receptacle

HD Connector Plug

Pin Contact

Sealing Plug

Socket Contact

Speed/Timing Sensor Connectors

150 Series Receptacle

IAPCV Connector

150 Series Plug

HarnessSide

ECM Connector P1

ECM Connector P2

Harness Side

ECMSide

ECM Connectors

G850/BUINLET AIR HEATER

J702/BK

IAH RELAY RETURN

INLET AIR

HEATER

INLET AIR

HEATER

RELAY

E797/WH

E798/PK

H478/BU

998/BR

H477/YL

G850/BU

J702/BK

G850/BU

J702/BK

AIR INLET

GROUND STUD

GROUND

STRAP

INJECTOR

CYLINDER

NO.1

P301/J301

INJECTOR

CYLINDER

NO.2

P302/J302

INJECTOR

CYLINDER

NO.3

P303/J303

INJECTOR

CYLINDER

NO.4

P304/J304

INJECTOR

CYLINDER

NO.5

P305/J305

INJECTOR

CYLINDER

NO.6

P306/J306

87A

LEFT SIDE VIEW

Plug

Oil Grade

Sensor

Speed/Timing

Secondary Engine

Sensor

Speed/Timing

Primary Engine

(IAPCV)

Control Valve

Pressure

Actuation

Injection

Sensor (Middle)

Temperature

Engine Oil

High Pressure

Sensor

Pressure

Atmospheric

J1/P1

Connector

ECM

J2/P2

Connector

ECM

Sensor

Oil Pressure

Engine

Sensor (End)

Temperature

Engine Oil

High Pressure

Pressure Sensor

(Intake Manifold Air)

Turbo Outlet

Sensor

Air Temperature

Intake Manifold

P400

Connector

(TC) Probe

Calibration

Timing

Heater Relay

Inlet Air

Sensor

Temperature

Engine Coolant

PRIMARY

SPEED/TIMING SENSOR

TURBO OUTLET

PRESSURE SENSOR

(INTAKE MANIFOLD AIR)

(161-1704)

ENGINE COOLANT

TEMPERATURE SENSOR

(130-9811)

ENGINE OIL PRESSURE

SENSOR

(161-1705)

SECONDARY

SPEED/TIMING SENSOR

1E963/BK

P401/J401

+5V

E965/BU

E966/YL

E964/WH

G828/WH

A746/PK

G829/GN

995/BU

G833/PK

P200/J200

P100/J100

P402/J402

SIGNAL

RETURN

SIGNAL

COMMON

SIGNAL -

SIGNAL +

SIGNAL -

SIGNAL +

ATMOSPHERIC PRESSURE

SENSOR

(161-1703)

ENGINE OIL (MIDDLE)

TEMPERATURE SENSOR

(191-6587)

INTAKE MANIFOLD AIR

TEMPERATURE SENSOR

(130-9811)

+5V

AG826/BR

994/GY

G828/WH

A747/GY

G829/GN

2E795/YL

G833/PK

G828/WH

G827/BU B

J101A/P101A

P201/J201

P203/J203

C991/PK

G829/GN

C967/BU

G833/PK

P103/J103

SIGNAL

RETURN

SIGNAL

RETURN

SIGNAL

COMMON

SIGNAL

COMMON

P300/J300

TIMING

CALIBRATION

PROBE

CONNECTOR

G857/YL

G856/WH

P400

J2/P2

INJECTOR RETURN 1

INJECTOR RETURN 2

INJECTOR RETURN 3

INJECTOR 6

INJECTOR 5

INJECTOR 4

INJECTOR 3

INJECTOR 2

INJECTOR 1

TIMING CALIBRATION PROBE -

TIMING CALIBRATION PROBE +

PRIMARY SP/TMG SIG -

ENG OIL PRESS. SNSR (+5V)

ENG OIL PRESS. SNSR (RTN)

UNUSED

PRIMARY SP/TMG SIG +

SECONDARY SP/TMG SIG -

SECONDARY SP/TMG SIG +

COOL. TEMP. SNSR

PASSIVE SNSR COMMON

ANALOG SNSR POWER (+5V)

ANALOG SNSR COMMON

TURBO OUTLET PRESS. SNSR

ATMOSPHERIC PRESS. SNSR

ENG OIL PRESS. SNSR

UNUSED

INLET MANIFOLD AIR TEMP. SNSR

UNUSED

OIL GRADE RETURN

UNUSED

T958/YL

T960/DK-BU

T962/WH

T956/GY

T955/GN

T954/GY

T953/DK-BU

T952/BR

T951/YL

G857/YL

G856/WH

E963/BK

E964/WH

E965/BU

E966/YL

995/BU

G833/PK

G828/WH

G829/GN

A746/PK

A747/GY

994/GY

C991/PK

C967/BU

OIL GRADE CODE 1

UNUSED

OIL GRADE CODE 2

ELECTRONIC CONTROL MODULE (ECM)

INJECTOR RETURN 4

INJECTOR RETURN 5

INJECTOR RETURN 6

T950/GN

T949/BU

T948/BR

T947/YL

T946/PU

T945/GY

T950/GN

T949/BU

T948/BR

T947/YL

T946/PU

T945/GY

(MIDDLE) ENGINE OIL TEMP. SNSR 34

IAP CONTROL VALVE - 62

IAP CONTROL VALVE + 61

INJ. ACTUATION PRESS. SNSR 27

INJECTOR ACTUATION

PRESSURE SENSOR

(167-1708)

+5V

G828/WH

J204/P204

G849/BR

G829/GN

SIGNAL

RETURN

INJECTOR ACTUATION

PRESSURE CONTROL VALVE

(IAPCV)

1G854/PK

G855/PU

P500/J500

SIGNAL +

SIGNAL -

ENGINE OIL (END)

TEMPERATURE SENSOR

(191-6587)

2K882/BU

G833/PK

J101B/P101B

SIGNAL

COMMON

1E798/PK

E797/WH

NOT USED

44 T957/PU

46 T959/BR

66UNUSED

65UNUSED

29UNUSED

28UNUSED

21UNUSED

20UNUSED

67 T961/GN

T958/YL

T960/BU

T962/WH

T956/GY

T955/GN

T954/GY

T953/BU

T952/BR

T951/YL

T957/PU

T959/BR

T961/GN

T958/YL

T960/DK-BU

T962/WH

T956/GY

T955/GN

T954/GY

T953/DK-BU

T952/BR

T951/YL

T957/PU

T959/BR

T961/GN

J501/P501

G849/BR

G854/PK

G855/PU

E795/YL

(END) ENGINE OIL TEMP. SNSR 33

K882/BU

G826/BR

G827/BU

(169-3300)

COMPONENTS ARE SHOWN WITH THE KEY OFF

ALTERNATOR

GND

F59

F70FUSE

F34

12V

BATTERY

K53

START

RELAY

FROM K13/87A

TO MACHINE HARNESSTO MACHINE

ENGINE SENSORS

TO MACHINE HARNESS

FROM K51/87

TO OEM FUSES

BATTERY

DISCONNECT

SWITCH

BATMTR

STARTING

MOTOR

J1 P1

UNUSED

DIAGNOSTIC LAMP

UNUSED

BR/WH

BL/YL

GR/BR

ELECTRONIC CONTROL MODULE (ECM)

DIAGNOSTIC ENABLE SW

KEY ENGINE CRANK

BR/YL54COOLANT LEVEL

KEY ON

CAT DATA LINK -

CAT DATA LINK +

+BAT.(UNSWITCHED)

COOLANT LEVEL RETURN

A +BAT.

START SWITCH

CAT DATA LINK -

CAT DATA LINK +

- BAT.B

SERVICE TOOL CONN

DIAGNOSTIC

ENABLE

SWITCH

DIAGNOSTIC

LAMP

120

TERMINATION

RESISTOR

COOLANT LEVEL

SWITCH

J1939

CONN MD

CONN G

CONN C

22 PIN

-BAT.

BR/BL

OR/BL

YL/BL

+BAT.(UNSWITCHED)

J1939 SHIELD

J1939 DATA +

J1939 DATA -

J1939 SHIELD

J1939 DATA +

J1939 DATA -

BR65

-BAT.

INPUT SIGNAL WIRES TO ECM

OUTPUT SIGNAL WIRES FROM ECM

SENSOR SUPPLY VOLTAGE

(+) BATTERY SUPPLY WIRES

SIGNAL PLUS

(-) BATTERY / SENSOR RETURN

SIGNAL MINUS

10W30

GREEN

15W40

RED

NOTE A: WHEN CHANGING OIL GRADES, THE OPERATOR MUST ENSURE THAT THE

CORRESPONDING PLUG IS INSERTED INTO THE WIRING HARNESS.

FOR MORE INFORMATION REFER TO THE ENGINE OPERATION AND

MAINTENANCE MANUAL.

CIRCUIT

BREAKER

CIRCUITS WITHIN THIS AREA ARE RECOMMENDATIONS

OIL GRADE

PLUGS

NOTE A

0W20, 10W30, AND 15W40 PLUGS

ARE AVAILABLE IN SERVICE KIT

214-7170.

10W30 AND 15W40 PLUGS ARE

SHIPPED WITH THE ENGINE.

0W20

BLACK

NOT PRESENT ON ALL ENGINES