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MAINTAINING YOUR VEHICLE
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:
theignitionorstarttheengine.Thismeansthatyour
vehicle’sOBDIIsystemisnotreadyandyoushould
notproceedtotheI/Mstation.
b. TheMILwillnotflashatallandwillremainfully
illuminateduntilyouturnOFFtheignitionorstartthe
engine.Thismeansthatyourvehicle’sOBDIIsystem
isreadyandyoucanproceedtotheI/Mstation.
1.
2.
Insertyourignitionkeyintotheignitionswitch.
TurntheignitiontotheONposition,butdonotcrank
orstarttheengine.
Ifyoucrankorstarttheengine,youwillhavetostart
thistestover.
AssoonasyouturnyourkeytotheONposition,you
IfyourOBDIIsystemisnotready,youshouldseeyour
authorized dealer or repair facility. If your vehicle was
recentlyservicedorhadabatteryfailureorreplacement,
you may need to do nothing more than drive your
vehicleasyounormallywouldinorderforyourOBDII
systemtoupdate.Arecheckwiththeabovetestroutine
maythenindicatethatthesystemisnowready.
3.
4.
willseetheMILsymbolcomeonaspartofanormalbulb
check.
5.
Approximately15secondslater,oneoftwothingswill
happen:
Regardless of whether your vehicle’s OBD II system is
ready or not, if the MIL is illuminated during normal
vehicleoperationyoushouldhaveyourvehicleserviced
a. The MIL will flash for about 10 seconds and then
return to being fully illuminated until you turn OFF
| Categories | Jeep Grand Cherokee Manuals, Jeep Manuals |
|---|---|
| Model Year | 2009 |
| Download File |
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| Document File Type | |
| Copyright | Attribution Non-commercial |
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