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SENR1064-05 January 2002
CustomerConnector (J3)
TimingCalibration (TC)Probe Connector J26/P26
Injection Actuation Pressure Sensor
CaterpillarSupplied Engine Service ToolConnector J60
Customer Connector J3
Electronics Ground Stud
View B-B
Electrical Connectors and Functions J ac k/ Pl ug
F un ct o i na l De sc ri pt o i n
J 1 / P1
E l ec t ro n i c C on t ro l M o d ul e ( E CM ) C o nn e c o t r(keyC)
J 2 / P2 J 3 / P3 J114/P114
E l ec t ro n i c C on t ro l M o d ul e ( E CM ) C o nn e c o t r(keyD) C u st o m er C o n ne c t or ( 4 0 -P i n ) AuxiliaryTemperatureSensorConnector(3-Pi e SensorConnector(3-Pin)
J109/P109 J20/P20
AuxiliaryPressureSensorConnector(3-Pin) PrimarySpeed/TimingSenso y Speed/TimingSensorConnector(3-Pin)
J21/P21 J 2 2P / 22
ECM Connector J1/P1
Injection Actuation Pressure ControlValve
CoolantTe mperature Sensor Connector(P21 )
CoolantTemperatureSensorConnector(3-Pin) O i l P re s s ur e S e n so r C o nn e c o t r ( 3 - Pi n ) TurbochargerCompressorOutletPressureSensorConnector e SensorConnector (3-Pin) T i mi n g C ailb r at i o n C on n e ct o r ( 2 -P i n) AtmosphericPressureSensorConnector(3-Pin)
J23/P23 P26 J27/P27
ECM Connector J2/P2
3408E and 3412E Industrial Engines Electrical System Engine Oil Temperature Sensor
J 3 4P / 34 J35/P35
C o ol a n t L ev e l S e ns o r C on n e ct o r ( 3 -P i n) ThrottlePositionSensorConnect l ePositionSensorConnector(3-Pin) o r(3-Pin)
J42 J43/P43 J44/P44
C u st o m er I n s t al l e d S e rv i c e T oo l C o n ne c t or FuelTemperatureSensorConnect u reSensorConnector(3-Pin) o r(3-Pin) BackupSpeed/TimingSensorConne T imingSensorConnector(3-Pin)
J45/P45
J 4 9P / 49
Injection ActuationPressureSensorConnector(3-Pin) o r(3-Pin) Injection ActuationPressure Control Valve SensorConnector(2-Pin) F u el P r e s su r e S e ns o r C o nn e c o t r ( 3 -P i n )
J51/P51 J52/P52
EngineOilTemperatureSensorConnector(3-Pin) o r(3-Pin) #1,#3HydraulicElectronicUnitInjectorConnector(4-Pin)
J46/P46
4CR1-UP 7PR1-UP BDT1-UP BFT1-UP
CoolantF low Switch Connector
J53/P53 J54/P54
#5,#7HydraulicElectronicUnitInjectorConnector(4-Pin) #9,#11HydraulicElectronicUnitInjectorConnector(4-Pin) o r(4-Pin)
J56/P56 J57/P57
#2,#4HydraulicElectronicUnitInjectorConnector(4-Pin) #6,#8HydraulicElectronicUnitInjectorConnector(4-Pin) #12,#10HydraulicElectronicUnitInjectorConnec o nicUnitInjectorConnector (4-Pin)
J58/P58 J60 J89/P89
S e rv i c e T oo l C o n ne c t or ( 9 - Pi n ) InletAirTemperatureSensorConnecto u reSensorConnector(3-Pin)
NOTE E: ONE MAIN EMS MODULE IS REQUIRED FOR EACH DESIRED MONITORINGSTATION.THE TACHOMETER AND/OR QUAD GAGE UNITA ARE OPTIONAL AND WILL NOTOPERATE WITHOUTCONNECTION TOA MAIN EMS MODULE NOTE F: THE DEFAULTSETTINGFOR THE EMS IS METRIC UNITS. IFMETRIC UNITS ARE REQUIRED NOCONNECTION IS . NEEDED IFU.S.UNITS ARE REQUIRED, A PERMANENT CONNECTION TOBATTERY (-)IS REQUIRED
INTERMEDIATE SPEED SW
PTOINTERUPTSW PTOENABLESW
PTORAMP UP/DOWN SWITCH
MAINTENANCE OVERDUELAMP DIAGNOSTIC LAMP
WARNINGLAMP A B C
F723/PK F724/PU
NOTE J: REFERTO THE INSTALLATIONGUIDE FOR ADDITIONAL INSTALLATIONDETAILS
A B C E D F G J H
MAXLENGTH 30METERS A B C
NOTE H: WHENTHE SHUTDOWN SWITCH IS CONNECTED TOBATTERY (-)THE ECMDISABLES THE FUEL INJECTION SIGNAL. THIS ACTIONCAUSES THE ENGINE TOSHUTDOWNWHILE LEAVING THE ECMPOWERED TOMONITOR ENGINE DIAGNOSTICS
REMOTESHUTDOWN SW
OVERSPEED VERIFYSW
TERMINATION RESISTOR 174-3016 A B C
NOTE G: 16 AWGWIRE
(P49) A C B
CB (NOTE B)
P26 J26 (NOTE G)
+BAT. -BAT. J1939SHIELD CATDATA LINK + CATDATA LINK J1939DATA + J1939DATA ATA DATA LINK ATA DATA LINK +
NOTE C: PLACEAPPROPRIATECIRCUITPROTECTION
CB (NOTE B)
GND
SM
J60
NOTE B: TOAVOID LOSS OFJOB DATA STORED BY THE ECM, DISCONNECTSWITCHES SHOULD NOTINTERRUPTEITHER THE ECMBATTERY (-)OR UNSWITCHED BATTERY (+)LINES
S
MTRBAT
BATTERY DISCONNECT SWITCH (NOTE B)
F723/PK F724/PU
NOTE A: THE CUSTOMER CONNECTOR BRACKETGROUND STUD MUST HAVE A DIRECTWIRE CONNECTION TOBATTERY (-).THIS CONNECTION CAN BE MADE ATTHE STARTER (-)TERMINAL.
+24V - BAT. US/METRIC SCROLLFORWARD CATDATA LINK CATDATA LINK + UNUSED WARNINGLAMP WARNING BACKLIGHTLAMP PWR SCROLLBACKWARD
120ohms
MAXLENGTH 40METERS
+BAT. - BAT. CATDATA LINK CATDATA LINK + J1939 DATA + J1939 DATA ATA DATALINK + ATA DATALINK -
(J42) CUST. SUPPLIED ENG SERVICETOOL CONN
NOTE K:THISOPTIONALFEATURENOT AVAILABLEONALLSYSTEMS. NOADDITIONAL CONNECTIONS ARE ALLOWED TOANY WIRESWITHOUTCATERPILLARENGINEERINGAPPROVAL UNLESSOTHERWISESPECIFIED: ALL WIRES TOBE 18 AWGOR LARGER S AE J1128 TY PE SEE SAE J1708 ELIMINATIONOFANYCOMPONENTSSHOWNWILL DISABLE CERTAINENGINEFEATURES.CONTACTCATERPILLAR ENGINEERINGWHEN CONSIDERINGCOMPONENTREMOVAL COMPONENTS ARE SHOWN WITH THE KEY OFF