RENR2425-00

©2002 CaterpillarAll Rights Reserved

Printed in U.S.A.

RENR2425August 2002

3056E

Electrical System

3561-UP

Industrial Engine

Component Indentifiers (CID¹)Engine Control Module

(MID² No. 036)CID Component

0041 ECM (Electronic Control Module) 8 Volt DC Supply

0091 Throttle Position Sensor

0100 Engine Oil Pressure Sensor

0102 Boost Pressure Sensor

0105 Inlet Manifold Temperature Sensor

0110 Engine Coolant Temperature Sensor

0174

P1

Fuel Temperature Sensor

0247 SAE J1939 Data Link

0253 Personality Module

0262 5 Volt Sensor Power Supply

0266 Crank Without Injection Input

0320 Speed/Timing Sensor

0342 Secondary Engine Speed Sensor

0774 Secondary Throttle Position Sensor

1639 Machine Security System Module

1684 Fuel Injection Pump

1743 Engine Operation Mode Selector Switch

1894 Cruise Control Disengage Switch

1895 Cruise Control Speed Toggle Switch

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

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

Engine Event CodesEvent Code Condition

0015 High Engine Coolant Temperature Derate.

0017 High Engine Coolant Temperature Warning.

0023 High Hydraulic Oil Temperature Derate.

0025 High Inlet Air Temperature Derate.

0027 High Inlet Air Temperature Warning.

0028 High Transmission Oil Temperature Derate.

0030 High Transmission Oil Temperature Warning.

0040 Low Engine Oil Pressure Shutdown.

0054 High Fuel Temperature Derate.

0056 High Fuel Temperature Warning.

0100 Low Engine Oil Pressure Warning.

0190 Engine Overspeed Warning.

0265 User Defined Shutdown.

0272 Inlet Air Restriction Warning.

0283 Low Hydraulic Charge Pressure.

0441 Idle Elevated to Increase Battery Voltage.

0442 Engine Failed to Stop with No Fuel Command.

0600 High Hydraulic Oil Temperature Warning.

0883Engine Failed To Stop When Fuel SolenoidDisengaged.

Failure Mode Identifiers (FMI)¹FMI No. Failure Description

0 Data valid but above normal operational range.

1 Data valid but below normal operational range.

2 Data erratic, intermittent, or incorrect.

3 Voltage above normal or shorted high.

4 Voltage below normal or shorted low.

5 Current below normal or open circuit.

6 Current above normal or grounded circuit.

7 Mechanical system not responding properly.

8 Abnormal frequency, pulse width, or period.

9 Abnormal update.

10 Abnormal rate of change.

11 Failure mode not identifiable.

12 Bad device or component.

13 Out of calibration.

14 Parameter failures.

15 Parameter failures.

16 Parameter not available.

17 Module not responding.

18 Sensor supply fault.

19 Condition not met.

20 Parameter failures.

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

ENGINE OIL

PRESSURE SENSOR

TOP TURBOCHARGER CONFIGURATION

SIDE TURBOCHARGER CONFIGURATION

ENGINE COOLANT

TEMPERATURE SENSOR

INLET AIR

TEMPERATURE SENSOR

BOOST

PRESSURE SENSOR

INLET AIR

TEMPERATURE SENSOR

BOOST

PRESSURE SENSOR

ENGINE SPEED/TIMING SENSOR

ENGINE CONTROL MODULE

VOLTAGE

LOAD

PROTECTION

MODULE

DIAGNOSTIC

CONNECTOR J60

(OPTIONAL)

VOLTAGE LOAD

PROTECTION MODULE

ENGINE CONTROL MODULE

FUEL PUMP CONTROL

ENGINE

SPEED/TIMING

SENSOR

CRANKSHAFT

TIMING RING

BOOST

PRESSURE SENSOR

ENGINE OIL

PRESSURE SENSOR

AB

C

A B

C

2 1

21

RECEPTACLES

J20

P1

PLUGS

DIAGNOSTIC CONNECTORSJ60/J80

INLET AIR

TEMPERATURE SENSOR

ENGINE COOLANT

TEMPERATURE SENSOR

MACHINE INTERFACE

CONNECTOR J20

69686766656261605958

55545352514847464544

41403938373433323130

27262524232019181716

13121110965432

WIRE ENTRY ENDWIRE ENTRY END

14

28

42

56

7064

50

36

22

87

21

35

49

6357

43

29

15

1

A B

C

D

E

F

G

H

J

Related Electrical Service ManualsForm Number

RENR2417

Title

Troubleshooting:3054E and 3056E Industrial Engines

RENR2425-00

INPUT SIGNAL WIRES TO ECM

OUTPUT SIGNAL WIRES FROM ECM

SENSOR SUPPLY VOLTAGE

(+) BATTERY SUPPLY WIRES

SIGNAL PLUS

(-) BATTERY / SENSOR RETURN

SIGNAL MINUS

F770-BR

A709-OR

F714-PK

893-GN

892-BR

A711-PU

F720-GN

F718-BU

F709-BU

F707-WH

X731-BU

995-BU

F702-GN

A700-OR

A746-PK

F719-BR

F717-YL

F722-OR

A710-GY

F708-YL

994-GY

F703-GY

L730-OR

F716-WH

F727-BU

F721-GY

F710-BR

C967-BU

L731-BR

F713-OR

F715-PU

F729-GN

A712-BR

F700-BU

E966-YL

325-PK

L731-BR

X731-BU

995-BU

994-GY

L730-OR

C967-BU

L731-BR

X731-BU

995-BU

994-GY

L730-OR

C967-BU

375-GN

993-BR

997-OR

E798-PK

F701-BR

YL

E965-BU

F705-PK

F711-GNNOTE A

NOTE C

NOTE B

F711-GN

F712-GY

A708-BR

A706

229-BK

-GY

150-RD

150-RD

GN

999-WH

A707-PU

A704-GN

A703-BR

A702-PU

A701-GY

A705-BU

229-BK

229-BK

F706-PU

308-YL

YL

GN F712-GY

893-GN

892-BR

893-GN

892-BR

YL

GN

F770-BR

YL

GN

999-WH

200-BK-14

200-BK-14

323-WH-14

323-WH-14

F770-BR

YL

GN

999-WH

A278-BK-14

329-YL-14

150-RD

229-BK

308-YL

229-BK

229-BK

A705-BU

A701-GY

A702-PU

A703-BR

A704-GN

A707-PU

F706-PU

150-RD

150-RD

A706-GY

A708-BR

F705-PK

F701-BR

E798-PK

997-OR

993-BR

375-GN

325-PK

F700-BU

A712-BR

F729-GN

F715-PU

F713-OR

F710-BR

F721-GY

F727-BU

F716-WH

F703-GY

F708-YL

A710-GY

F722-OR

F717-YL

F719-BR

A746-PK

A700-OR

F702

14 AWG

14 AWG

14 AWG

-GN

F707-WH

F709-BU

F718-BU

F720-GN

A711-PU

F714-PK

A709-OR

E966-YL

E965-BU

L731-BR

L731-BR

L731-BR

L731-BR

L730-OR

E966-YL

E965-BU

X731-BU

L730-OR

C967-BU

995-BU

994-GY

SWITCH INPUT 3

ACTIVE ANALOG INPUT 4

ENGINE OIL PRESSURE

DIGITAL OUTPUT 3

DIGITAL OUTPUT 1

SWITCH INPUT 2

SWB INPUT 1

FUEL SHUTOFF

CAT DATA LINK -

THROTTLE 1 INPUT

+5V SENSOR SUPPLY

SWITCH INPUT 11

DIGITAL OUTPUT 2

BOOST PRESSURE

ENGINE COOLANT TEMPERATURE

SWITCH INPUT 6

SWITCH INPUT 12

+5V SENSOR SUPPLY

J1939 DATA LINK -

DIGITAL OUTPUT 8

FUEL PUMP POWER CONTROL

COOLANT TEMPERATURE GAUGE

ENGINE

CONTROL

MODULE

ENGINE

CONTROL

MODULE

BOOST

PRESSURE SENSOR

BOOST

PRESSURE SENSOR

INLET AIR

TEMPERATURE SENSOR

INLET AIR

TEMPERATURE SENSOR

ALTERNATOR

STARTING MOTORSTARTING MOTOR

ENGINE

SPEED/TIMING

SENSOR

(BEHIND ECM)

ENGINE

SPEED/TIMING

SENSOR

(BEHIND ECM)

ENGINE OIL

PRESSURE SENSOR

VOLTAGE LOAD

PROTECTION

MODULE

(ABOVE ECM)

FUEL PUMP

CONTROL

FUEL PUMP

CONTROL

VOLTAGE LOAD

PROTECTION

MODULE

(ABOVE ECM)

ENGINE OIL

PRESSURE SENSOR

ENGINE COOLANT

TEMPERATURE SENSOR

RIGHT/REAR VIEWSIDE MOUNTED TURBOCHARGER

FRONT/LEFT VIEWSIDE MOUNTED TURBOCHARGER

RIGHT/REAR VIEWTOP MOUNTED TURBOCHARGER

FRONT/LEFT VIEWTOP MOUNTED TURBOCHARGER

ENGINE COOLANT

TEMPERATURE SENSOR

CAN DATA LINK +

ENGINE SPEED/TIMING +

SENSOR COMMON

CAN DATA LINK -

BATTERY -

BATTERY -

KEY SWITCH INPUT

DIGITAL OUTPUT 12

J1939 DATA LINK +

DIGITAL OUTPUT 14

ENGINE CONTROL MODULE

J1

DIGITAL OUTPUT 11

DIGITAL OUT PUT 7

DIGITAL OUTPUT 9

DIGITAL OUTPUT 10

DIGITAL OUTPUT 13

STARTER MOTOR

ENGINE POSITION

BATTERY +

BATTERY +

BATTERY -

STARTER MOTOR RETURN

ENGINE SPEED/TIMING -

OIL PRESSURE GAUGE

DIGITAL OUTPUT 5

TACHOMETER

SWITCH RETURN

PASSIVE ANALOG INPUT 3

SENSOR COMMON

INLET AIR TEMPERATURE

SWITCH INPUT 9

SWITCH INPUT 7

SWITCH INPUT 1

SWITCH INPUT 10

SWITCH INPUT 4

THROTTLE 2 INPUT

+8V SENSOR SUPPLY

DIGITAL OUTPUT 4

SWITCH INPUT 5

SWITCH INPUT 8

CAT DATA LINK +

SWB INPUT 2

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

P1

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

69

70

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

MACHINE INTERFACEJ20

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

69

70

FUEL SHUTOFF

CAN DATA (+)

PUMP SUPPLY (-)

PUMP SUPPLY (+)

ENGINE POSITION

CAN DATA (-)

FUEL PUMP CONTROL

A

B

C

D

E

F

G

H

J

+BATTERY

-BATTERY

CAT DATA LINK+

CAT DATA LINK-

J1939 DATA-

J1939 DATA+

J60DIAGNOSTIC

1

2

3

4

5

6

7

8

9

GROUND PUMP

(+)BATT PUMP

(-)BATT MACHINE

(+)BATT MACHINE

VOLTAGE LOAD PROTECTION MODULE

1

2

3

4

P40

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

P20

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

69

70

+5V

GROUND

SIGNAL

ENGINE OILPRESSURE SENSOR

+5V

GROUND

SIGNAL

BOOSTPRESSURE SENSOR

RETURN

SIGNALENGINE COOLANTTEMPERATURE SENSOR

RETURN

SIGNALINLET AIRTEMPERATURE SENSOR

ENGINE SPEED/TIMING SENSOR

P201

A

B

C

P200

A

B

C

1

2

P100

1

2

P103

1

2

P401

NEG

12V and 24V

options shown

POS NEG POS

PUMP POWER RELAY

ST

ON

OFF

B

S

C

R

KEY SWITCH

G S

MTR BAT

MOTOR

F1

F2

F3

F4

NOTE A: WITHOUT DIAGNOSTIC CONNECTOR J60, F711-GN IS

YELLOW WITH NO WIRE IDENTIFICATION.

NOTE B: WITHOUT DIAGNOSTIC CONNECTOR J60, F712-GY IS

GREEN WITH NO WIRE IDENTIFICATION.

NOTE C: WIRES ARE A TWISTED PAIR.

ALL DASHED ITEMS ARE OPTIONAL.

ALL WIRES ARE 18 AWG UNLESS OTHERWISE NOTED.

F5

START RELAY

A

B

C

D

E

F

G

H

J

J80DIAGNOSTIC

CIRCUITS WITHIN THIS AREA ARE RECOMMENDATIONS(WIRE GAUGES SHOULD BE SELECTED ACCORDING TO SPECIFIC CIRCUIT LOADS)

120Ohms

120 Ohms

+BATTERY

-BATTERY

CAT DATA LINK+

CAT DATA LINK-

J1939 DATA-

J1939 DATA+