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MAINTAINING YOUR VEHICLE
is functioning and is not on when the engine is running,
and that the OBD (On Board Diagnostic) system is read y
for testing.
4. As soon as you turn you r key to the ON position, you
will see you r MIL sym bol come on as part of a norm al
bulb check.
Norm ally, the OBD system will be read y. The OBD
system may not be read y if you r vehicle was recently
serviced , if you recently had a dead battery, or a battery
rep lacem ent. If the OBD system shou ld be determ ined
not read y for the I/ M test, you r vehicle may fail the test.
5. Approxim ately 15 second s later, one of two things will
hap pen:
a. The MIL will flash for abou t 10 second s and then
retu rn to being fully illuminated until you turn off the
ignition key or start the engine. This means that you r
vehicle’s OBD system is not read y and you shou ld not
proceed to the I/ M station.
Your vehicle has a simple ignition key actu ated test
which you can use prior to going to the test station. To
check if you r vehicle’s OBD system is read y, you must do
the follow ing:
b. The MIL will not flash at all and will rem ain fully
illuminated until you turn off the ignition key or start
the engine. This means that you r vehicle’s OBD system
is read y and you can proceed to the I/ M station.
1.
Insert you r ignition key into the ignition switch.
2.
Turn the ignition to the ON position, but do not crank
or start the engine.
If you crank or start the engine, you will have to start
this test over.
If you r OBD system is not read y, you shou ld see you r
authorized dealer or rep air facility. If you r vehicle was
recently serviced or had a battery failu re or rep lacem ent,
3.
| Categories | Jeep Grand Cherokee Manuals, Jeep Manuals |
|---|---|
| Model Year | 2008 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
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