Emission inspection and maintenance (I/M) programs
Some states have vehicle emission inspection programs which include OBD (On Board Diagnostics) checks. The OBD system monitors the operation of the emission control system.
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 Lexus dealer to service the vehicle.
Your vehicle may not pass the I/M test:
When the 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.
- When the fuel tank cap is loose The malfunction indicator lamp comes on as a temporary malfunction and your vehicle may not pass the I/M test.
When the 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.
If your vehicle does not pass the I/M test
Contact your Lexus dealer to prepare the vehicle for re-testing.
See also:
Wheels
If a wheel is bent, cracked or heavily corroded, it should be replaced.
Otherwise, the tire may separate from the wheel or cause a loss of handling
control.
Wheel selection
When replacing wheels, ...
Safety/Security Features
A reinforced passenger compartment helps protect the occupants with front-
and rear-crush structures. Seatbelt pretensioners and force limiters are used
for the front and outboard rear seats. In a ...
Customizable features
Your vehicle includes a variety of electronic features that can be
personalized
to your preferences. Programming these preferences requires specialized
equipment and may be performed by an authori ...