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398 6-2. Maintenance The OBD system determines that a problem exists somewhere in the ● When the 12-volt battery is disconnected or discharged ● When the fuel tank cap is loose The error code in the OBD system will not be cleared unless the vehi- Contact your Toyota dealer to prepare the vehicle for re-testing. Emission inspection and maintenance (I/M) programs Some states have vehicle emission inspection programs which If the malfunction indicator lamp comes on Your vehicle may not pass the I/M test in the following situations: When the malfunction indicator lamp still remains on after sev- If your vehicle does not pass the I/M test |