MAINTENANCE
505
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. When the OBD system determines that a
problem exists somewhere in the emission control system, the
malfunction indicator lamp comes on. In this case, your vehicle
may not pass the I/M test and need to be repaired. Contact
your Lexus dealer to service the vehicle.
Even if the malfunction indicator lamp does not come on, your
vehicle may not pass the I/M test as readiness codes have not
been set in the OBD system.
Readiness codes are automatically set during ordinary driving.
However, when the battery is disconnected or run down, the
codes are erased. Also, depending on your driving habits, the
codes may not be completely set.
Also, if the malfunction indicator lamp had come on recently
due to temporary malfunction such as a loose fuel tank cap,
your vehicle may not pass the I/M test.
The malfunction indicator lamp will go off after taking several
driving trips, but the error code in the OBD system will not be
cleared unless about 40 trips or more are taken.
If your vehicle does not pass the I/M test and the malfunction
indicator lamp does not come on, contact your Lexus dealer to
prepare the vehicle for re
−
testing.
Summary of Contents for GS430
Page 16: ...PICTORIAL INDEX v INSTRUMENT CLUSTER Vehicles sold in U S A G00041 ...
Page 18: ...PICTORIAL INDEX vii INSTRUMENT CLUSTER Vehicles sold in Canada G00043 ...
Page 24: ...PICTORIAL INDEX xiii ...
Page 68: ...KEYS AND DOORS 44 ...
Page 150: ...INTERIOR EQUIPMENT 126 ...
Page 164: ...EXTERIOR EQUIPMENT 140 ...
Page 230: ...OCCUPANT RESTRAINT SYSTEMS 206 ...
Page 243: ...SECTION 1 8 219 INSTRUMENTS AND CONTROLS Touch screen Overview 220 Information menu 222 ...
Page 285: ...AIR CONDITIONING 261 G21002a Air flow selection Automatic air flow mode only ...
Page 302: ...AIR CONDITIONING 278 ...
Page 303: ...SECTION 2 2 279 AIR CONDITIONING AND AUDIO Audio Audio System 280 ...
Page 368: ...AUDIO 344 ...
Page 490: ...DRIVING TIPS 466 ...
Page 522: ...IN CASE OF AN EMERGENCY 498 ...
Page 530: ...MAINTENANCE 506 ...
Page 542: ...INTRODUCTION 518 ...
Page 562: ...ENGINE 538 ...
Page 596: ...CHASSIS 572 ...
Page 622: ...ELECTRICAL COMPONENTS 598 ...