286 MAINTAINING YOUR VEHICLE
NOTE: If you crank or start the engine, you will have to
OBD II system to update. A recheck with the above test
start this test over.
routine may then indicate that the system is now ready.
2. As soon as you cycle the ignition to the ON mode,
you will see the “Malfunction Indicator Light (MIL)”
symbol come on as part of a normal bulb check.
Regardless of whether your vehicle’s OBD II system is
ready or not, if the MIL is illuminated during normal
vehicle operation you should have your vehicle ser-
viced before going to the I/M station. The I/M station
can fail your vehicle because the MIL is on with the
engine running.
3. Approximately 15 seconds later, one of two things
will happen:
• The MIL will flash for about 10 seconds and then
return to being fully illuminated until you cycle the
ignition OFF or start the engine. This means that your
vehicle’s OBD II system is not ready and you should
not proceed to the I/M station.
REPLACEMENT PARTS
Use of genuine parts for normal/scheduled mainte-
nance and repairs is highly recommended to ensure the
designed performance. Damage or failures caused by
the use of parts which are not quality-equivalent to
genuine parts for maintenance and repairs will not be
covered by the manufacturer’s warranty.
• The MIL will not flash at all and will remain fully
illuminated until you place the ignition in the off
position or start the engine. This means that your
vehicle’s OBD II system is ready and you can proceed
to the I/M station.
DEALER SERVICE
Your authorized dealer has the qualified service person-
nel, special tools, and equipment to perform all service
operations in an expert manner. Service Manuals are
available which include detailed service information for
your vehicle. Refer to these Service Manuals before
attempting any procedure yourself.
If your OBD II system is not ready, you should see your
authorized dealer or repair facility. If your vehicle was
recently serviced or had a battery failure or replace-
ment, you may need to do nothing more than drive
your vehicle as you normally would in order for your
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