MAINTAINING YOUR VEHICLE
367
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:
b. TheMILwillnotflashatallandwillremainfully
illuminateduntilyouturnOFFtheignitionorstartthe
engine.Thismeansthatyourvehicle’sOBDIIsystem
isreadyandyoucanproceedtotheI/Mstation.
1.
TurntheignitionswitchtotheONposition,butdonot
crankorstarttheengine.
Ifyoucrankorstarttheengine,youwillhavetostart
thistestover.
As soon as you turn the ignition switch to the ON
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.
2.
3.
position,youwillseetheMILsymbolcomeonaspartof
anormalbulbcheck.
Regardless of whether your vehicle’s OBD II system is
ready or not, if the MIL is illuminated during normal
vehicleoperationyoushouldhaveyourvehicleserviced
beforegoingtotheI/Mstation.TheI/Mstationcanfail
your vehicle because the MIL is on with the engine
running.
4.
happen:
Approximately15secondslater,oneoftwothingswill
7
a. The MIL will flash for about 10 seconds and then
return to being fully illuminated until you turn OFF
theignitionorstarttheengine.Thismeansthatyour
vehicle’sOBDIIsystemisnotreadyandyoushould
notproceedtotheI/Mstation.
| Categories | Jeep Grand Cherokee Manuals, Jeep Manuals |
|---|---|
| Model Year | 2010 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
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