Engine-Fuelinjectionsystem
Fuelinjectors-Overview-Fuelactuators
Thefuelactuators(1)areanintegralfuelinjectorandsolenoidassemblymountedinthecylinderhead.Thetiming
anddurationoffueldeliveryiscontrolledbythesolenoid.
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ThewirepairofeachsolenoidterminatesatEngineControlUnit(ECU)electro-injectorconnectorX515,viatheIveco
enginewireharness.Theactuatorsandtheirassociatedsolenoidsandconnectorsare:
Actuator
SolenoidConnector
X515pinsActuator
SolenoidConnector
X515pins
1L-34X376
4&13
4L-35X377
3&14
2L-36X378
11&6
5
L-37X379
2&15
3L-38X380
5&12
6L-39X381
1&16
TheECUmonitorsthefuelactuatorcircuits.Ifafaultoccursinasolenoiditselforinthewiringtothesolenoid,afault
codewillappearonthecabmonitordisplay.
CylinderSolenoidFaultCodes
1L-34
E1581-03–Cylinder1injectormechanicalresponsefault(replaceinjector)-
ShortedtohighsourceTroubleshootingprocedure:Injectioncontrol-Shortcircuit
toB+(55.010)
E1588-02–Cylinder1-ShortCircuitLow/High-DataincorrectTroubleshooting
procedure:Injectioncontrol-Incorrectvalue(55.010)
E1588-03–Cylinder1injectorcircuit-ShortedtohighsourceTroubleshooting
procedure:Injectioncontrol-ShortcircuittoB+(55.010)
E1588-12–Cylinder1-ShortCircuitLow/High-Badintelligentdevice
Troubleshootingprocedure:Injectioncontrol-Badintelligentdevice(55.010)
E1594-02–Cylinder1-OpenLoad-DataincorrectTroubleshootingprocedure:
Injectioncontrol-Incorrectvalue(55.010)
E1594-03–Cylinder1-OpenLoad-ShortedtohighsourceTroubleshooting
procedure:Injectioncontrol-ShortcircuittoB+(55.010)
2L-36
E1582-03–Cyl.#2SpecicErrors-ShortedtohighsourceTroubleshooting
procedure:Injectioncontrol-ShortcircuittoB+(55.010)
E1589-02–Cylinder2-ShortCircuitLow/High-DataincorrectTroubleshooting
procedure:Injectioncontrol-Incorrectvalue(55.010)
E1589-03–Cylinder2-ShortCircuitLow/High-Shortedtohighsource
Troubleshootingprocedure:Injectioncontrol-ShortcircuittoB+(55.010)
E1589-12–Cylinder2-ShortCircuitLow/High-Badintelligentdevice
Troubleshootingprocedure:Injectioncontrol-Badintelligentdevice(55.010)
E1592-02–Cylinder5-ShortCircuitLow/High-DataincorrectTroubleshooting
procedure:Injectioncontrol-Incorrectvalue(55.010)
E1595-03–Cylinder2-OpenLoad-ShortedtohighsourceTroubleshooting
procedure:Injectioncontrol-ShortcircuittoB+(55.010)
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