• Author / Uploaded
• Maksim Panfilov

Citation preview

RED

INDICATES POWER SUPPLlED BY THE ECM

BLUE BLACK

INDICATES ECM RETURNS. GROUNDS, AND GENERIC OEM WIRING

GREEN PURPLE

INDICATES DATA LlNKS INDICATES ECM OUTPUTS

I I I I I I I I

INDICATES POWER AND SIGNALS INTO THE ECM

=\:JD

OEM RESPONSIBILlTY

43

Pin

: CUMMINS

RESPONSIBILlTY

ac:::::;>

I I I I

OEM Interface

Connector

A C HIGH PRESSURE SWITCH

19

A C HIGH PRESSURE SWITCH

32

ENGINEGROUND2

39

2

o o

ENGINE GROUND 1

VP44

26

+12

VOLT SUPPLY

WAIT TO START LAMP

10

VP44 86

I

5.0 A

RELAY

1

WAITTO STARTLAMP TO BATTERY HARNESS

I

185

-

-:-

30

5.0 A

187

,

06

J

FUEL HEATER

ST ARTER ACCESSORY

21

AlC

CLUTCH

UNSWITCHED BATTERY + 12 VOLTS

05 ISO 9141+

20

ISO 9141-

16

VEHICLE DATALlNKVEHICLE DATALlNK+

17 13

TACHOMETER SIGNAL

07 VP44

TRANSMISSION SHIFT MODULATION SIGNAL

08

POWER SHUTOFF

VP44

09

e Cummins Company,

25 41 42 28

BATTERYRETURNlBATTERYRETURN(BATTERYRETURN

36 37

=\:JD

Engine lne.

OEM RESPONSIBILlTY

! CUMMINS

RESPONSIBILlTY

ac:::::;>

ISBTMLIGHTDUTY WIRING DIAGRAM (lar

I

ECM Parl

POWER SHUTOFF

No.

3942336)

BULLETIN

#3666263

(1/30/97)

NOTE: SOME OF THE CIRCUITS SHOWN HERE WI BE ACTIVE IN AlL APPLlCATlONS. CONSL EOUIPMENT MANUFACTURER'S LlTERATURE DETERMINE WHICH CIRCUITS ARE USED.

o

00

~

A VP44

18

LOW IDLE SELECT VP44 FUEL SHUTOFF VP44 VP44

o

+ 12 VOLT SUPPL y

ENGINE POSITION REFERENCE SIGNAL

VP44 FUEL PUMP CONTROL MODULE

00 00 00 VP44

o

34 33

DATALlNK (+ DATALlNK (-

SHIELD RETURN

o

ENGINE

13 23

50

44

CONNECTOR' (A) 10

VP44 BATTERYRETURN(-

CONNECTOR'

LlFT PUMP RETURN

35

LlFT PUMP +12 VOLT SUPPLY

LlFT PUMP

15

ENGINE SPEED SENSOR +5 VOLT SUPPLY ENGINE SPEED RETURN

ENGINE POSITION +5 VOLT SUPPLY ENGINE POSITION SIGNAL

ENGINEPOSITIONSENSOR

09

ENGINE POSITION RETURN OIL PRESSURE +5

VOLT SUPPLY

10

OIL PRESSURE SIGNAL

OIL PRESSURE

QA

03 17 04

ENGINE SPEED SIGNAL

ENGINESPEEDSENSOR

06

OIL PRESSURE RETURN

11

'1

I 41

INTAKE MANIFOLD PRESSURE +5 VOLT SUPPLY INTAKE MANIFOLD PRESSURE SIGNAL

INTAKE MANIFOLD PRESSURE

08

INTAKE MANIFOLD PRESSURE RETURN

COOLANT TEMPERATURE SENSOR SIGNAL COOLANT TEMPERATURE

14

INTAKE MANIFOLD AIR TEMPERATURE SIGNAL INTAKE MANIFOLD AIR TEMPERATURE

INOT PTHE

OEM INTERFACE CONNECTOR 43 PIN CONNECTOR* 7283- 7033 8 PIN VIEW (FRONT)

COOLANT TEMPERATURE RETURN

07