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Home >> Mazda >> 2004 >> Tribute ES, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 483 (Symptom Troubleshooting [Engine Control System]) >> Electronic Engine Control (EEC) System >> On-Board System Readiness >> Description
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On-Board System Readiness: Description

WARNING: This page is about a different car, the 2005 Mazda Tribute. However, it is still accessible from the selected car via links, so may be relevant.

All OBD II scan tools display the On-Board System Readiness (OSR) Test. The OSR will display the supported monitors on the vehicle and the status of all monitors (complete or not complete) at that time. Fuel, misfire and comprehensive component monitors run continuously and will always display "CONT" status. Only a PCM reset or a keep alive RAM reset will cause the non-continuous monitors to reinitialize to "NO" status.

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