Emission Inspection And Maintenance (I/M) Programs - Toyota 2009 Camry Quick Reference Manual

4-2. Maintenance

Emission inspection and maintenance (I/M) programs

Some states have vehicle emission inspection programs which
include OBD (On Board Diagnostics) checks. The OBD system moni-
tors the operation of the emission control system.
If the malfunction indicator lamp comes on
n
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.
Your vehicle may not pass the I/M test:
n
l When the 12-volt battery is disconnected 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.
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.
When the malfunction indicator lamp goes off after several
n
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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