VEHICLE MAINTENANCE AND CARE -> Emissions Inspection and Maintenance (I/M) programs for Your Toyota Avalon 4 Door Second Generation (2000-2004)

’03 AVALON U (L/O 0206)  
Emissions Inspection and  
Maintenance (I/M) programs  
Some states have vehicle emission in-  
spection programs which include OBD  
(On−Board Diagnostics) checks.  
Also, if the malfunction indicator lamp had  
come on recently due to temporary mal-  
function such as a loose fuel tank cap,  
your vehicle may not pass the I/M test.  
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 Toyota dealer to  
service the vehicle.  
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  
even the malfunction indicator lamp does  
not come on, contact your Toyota dealer  
to prepare the vehicle for re−testing.  
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.  
2003 AVALON (OM41401U)  
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