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:
Headlight cleaner switch
Washer fluid can be sprayed on the headlights.
Press the switch to clean the
headlights.
The headlight cleaner can be operated when
The “POWER” switch is in ON mode and the headlight switch is t ...
Air conditioning filter
The air conditioning filter must be cleaned or changed regularly to
maintain
air conditioning efficiency.
Removal method
1. Set the air conditioning system to recirculated mode.
The air conditio ...
Engine (ignition) switch
Performing the following operations when carrying the electronic key on
your person starts the engine or changes “ENGINE START STOP” switch
modes.
Starting the engine
1. Check that the parking bra ...