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 in the following situations:
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.
When the fuel tank cap is loose The malfunction indicator lamp comes on indicating a temporary malfunction and your vehicle may not pass the I/M test.
When the malfunction indicator lamp still remains on 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:
Light bulbs
You may replace the following bulbs by yourself. The difficulty level of
replacement varies depending on the bulb. If necessary bulb replacement
seems difficult to perform, contact your Lexus dealer ...
Suspension
The Lexus CT 200h features a bespoke suspension design which combines an
L-arm type MacPherson strut front system with a new, fullyindependent double
wishbone and trailing arm architecture to the ...
Seat belts
Make sure that all occupants are wearing their seat belts before driving
the
vehicle.
Correct use of the seat belts
Extend the shoulder belt so
that it comes fully over the
shoulder, but does ...