Some states have vehicle emission inspection programs which
include OBD (On Board Diagnostics) checks. The OBD system moni
-
tors the operation of the emissi
on control system.
n If the malfunction indicator lamp comes on
The OBD system determines that a
problem exists somewhere
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.
n Y
our vehicle may not pass the I/M test:
l When
the battery is disconnected or discharged
Readiness codes that are set dur
ing ordinary driving are
erased.
Also, depending on your driving habits, the readiness codes
ma
y not be completely set.
l When
the fuel tank cap is loose
The malfunction indicator lamp comes on as a temporary mal-
function and your vehicle may not pass the I/M test.
n When th
e malfunction indicator lamp goes off after several
driving trips
The error code in the OBD system
will not be cleared unless the
vehicle is driven 40 or more times.
n If your vehicle does not pass the I/M test
Contact your Toyota dealer to prepare the vehicle for re-testing.
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