18
TroubleshootingGuide
GASOLINEVEHICLE-TROUBLESHOOTING
ANDELECTRICALSYSTEM
•TopofFuelTank:ThefueltankhasaleadthatconnectstothemainwireharnessandgoestotheB–battery
terminal.
FEATURESOFTHEELECTRONICFUELINJECTION(EFI)SYSTEM
•Open-loopsystem(i.e.oxygensensornotused)
•Controlsfuelpump,fuelinjector,oillamp
•Inputs:ManifoldAbsolutePressure(MAP),engineblocktemperature,ignitiontiming
•BlinkfaultcodesthroughtheLowOilWarningLamp
•SeparateEFIwireharness
•TheECUandthrottlebody/fuelinjectorassemblyarematchedpairs
TROUBLESHOOTINGGUIDE
Thefollowingtroubleshootingguideswillbehelpfulinidentifyingoperatingdifcultiesshouldtheyoccur.Theguides
includethesymptom,probablecause(s)andsuggestedchecks.Theproceduresusedinmakingthesecheckscanbe
foundinthereferencedsectionsofthemaintenanceandservicemanual.
ECUERRORCODES(DISPLAYEDBYTHELOWOILWARNINGLIGHT)
FailureModeTable–WhenIgnitionIsInitiallySwitchedON
DISPLAYMODECONDITIONLAMPCONTROL
Step1:LampONTwoSeconds
Step2:LampOFFFourSeconds
NoFailure
Step3:LampOFF
Step1:LampONTwoSeconds
Step2:LampOFFFourSeconds
BlinkCode
DetectFailure
Step3:DisplayBlinkCode
FailureModeTable–AfterIgnitionHasBeenInONPosition(i.e.DuringUseofVehicle)
DISPLAYMODECONDITIONLAMPCONTROL
NoFailure
Step1:LampOFF
Step1:LampOFFFourSeconds
BlinkCode
DetectFailure
Step2:DisplayBlinkCode
Page18-22019PrecedentVillager2MaintenanceandServiceManual