2009 Jeep Liberty Owners Manual

MAINTAINING YOUR VEHICLE
411
appear the next time the vehicle is started. This might
indicateadamagedcap.Iftheproblemisdetectedtwice
inarow,thesystemwillturnontheMIL.Resolvingthe
problemwillturntheMILlightoff.
serviced,recentlyhadadeadbatteryorabatteryreplace-
ment. If the OBD II system should be determined not
readyfortheI/Mtest,yourvehiclemayfailthetest.
Your vehicle has a simple ignition key-actuated test,
which you can use prior to going to the test station. To
checkifyourvehicle’sOBDIIsystemisready,youmust
dothefollowing:
EMISSIONS INSPECTION AND MAINTENANCE
PROGRAMS
Insomelocalities,itmaybealegalrequirementtopass
aninspectionofyourvehicle’semissionscontrolsystem.
Failuretopasscouldpreventvehicleregistration.
1.
2.
Insertyourignitionkeyintotheignitionswitch.
TurntheignitiontotheONposition,butdonotcrank
ForstatesthatrequireanInspectionandMainte-
nance (I/M), this check verifies the Malfunction
IndicatorLight(MIL)isfunctioningandisnoton
whentheengineisrunning,andthattheOBDIIsystem
isreadyfortesting.
orstarttheengine.
3.
thistestover.
Ifyoucrankorstarttheengine,youwillhavetostart     7
4.
AssoonasyouturnyourkeytotheONposition,you
willseetheMILsymbolcomeonaspartofanormalbulb
check.
Normally,theOBDIIsystemwillbeready.TheOBDII
system may not be ready if your vehicle was recently
Product Specification
CategoriesJeep Liberty Manuals, Jeep Manuals
Model Year2009
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- 506 pages
Document File TypePDF
CopyrightAttribution Non-commercial
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