608GS350_U (OM30C34U)6-2. MaintenanceEmission inspection and maintenance (I/M) programsThe OBD system determines that a pr oblem exists somewhere in theemission control system. Your vehicl e may not pass the I/M test and mayneed to be repaired. Contact your Lexus dealer to service the vehicle.●When the battery is disconnected or dischargedReadiness codes that are set dur ing ordinary driving are erased.Also, depending on your driving ha bits, the readiness codes may not becompletely set.●When the fuel tank cap is looseThe malfunction indicator lamp co mes on indicating a temporary mal-function and your vehicle may not pass the I/M test.The error code in the OBD system will no t be cleared unless the vehicle isdriven 40 or more times.Contact your Lexus dealer to prepare the vehicle for re-testing.Some states have vehicle emission in spection programs which includeOBD (On Board Diagnostics) checks . The OBD system monitors theoperation of the emission control system.If the malfunction indicator lamp comes onYour vehicle may not pass the I/M test in the following situations:When the malfunction indicator la mp still remains on after severaldriving tripsIf your vehicle does not pass the I/M test
