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Tires
Windshield
wipers/rear
window wiper
COROLLA H/B_U
Check points
• 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.
• The wiper blades
should not show
The OBD system determines
any signs of
that a problem exists some-
cracking, split-
where in the emission control
ting, wear, con-
system. Your vehicle may not
tamination or
pass the I/M test and may need
deformation.
• The wiper blades
to be repaired. Contact your
should clear the
Toyota dealer to service the
windshield/rear
vehicle.
window without
streaking or skip-
ping.
When the battery is discon-
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
The malfunction indicator lamp
7-2. Maintenance
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:
nected or discharged
loose
411
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