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423
7-2. Maintenance
COROLLA H/B_U
7
Maintenance and care
The OBD system determines
that a problem exists some-
where in the emission control
system. Your vehicle may not
pass the I/M test and may need
to be repaired. Contact your
Toyota dealer to service the
vehicle.
When the battery is discon-
nected or discharged
Readiness codes that are set
during ordinary driving are erased.
Also, depending on your driving
habits, the readiness codes may
not be completely set.
When the fuel tank cap is
loose
Tires
• Is the tire infla-
tion pressure
correct?
• The tires should
not be damaged
or excessively
worn.
• Have the tires
been rotated
according to the
maintenance
schedule?
• The wheel nuts
should not be
loose.
Windshield
wipers/rear
window wiper
• The wiper blades
should not show
any signs of
cracking, split-
ting, wear, con-
tamination or
deformation.
• The wiper blades
should clear the
windshield/rear
window without
streaking or skip-
ping.
Items Check points
Emission inspection
and maintenance (I/M)
programs
Some states have vehicle
emission inspection pro-
grams which include OBD
(On Board Diagnostics)
checks. The OBD system
monitors the operation of
the emission control sys-
tem.
If the malfunction indica-
tor lamp comes on
Your vehicle may not pass
the I/M test in the follow-
ing situations:
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