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HOMESERVICE MANUALSCHRYSLER2004CROSSFIRE STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCETESTING & DIAGNOSISEMISSIONS CONTROL SYSTEMON-BOARD DIAGNOSTICSTASK MANAGEROPERATION - TASK MANAGERDTC SELF ERASURE
2004 Chrysler Crossfire Standard

DTC Self Erasure

2004 Chrysler Crossfire StandardSECTION DTC Self Erasure

With one trip components or systems, the MIL is illuminated upon test failure and DTCs are stored.

Two trip monitors are components requiring failure in two consecutive trips for MIL illumination. Upon failure of the first test, the Task Manager enters a maturing code. If the component fails the test for a second time the code matures and a DTC is set.

After three good trips the MIL is extinguished and the Task Manager automatically switches the trip counter to a warm-up cycle counter. DTCs are automatically erased following 40 warm-up cycles if the component does not fail again.

For misfire and fuel system monitors, the component must pass the test under a Similar Conditions Window in order to record a good trip. A Similar Conditions Window is when engine RPM is within +/-375 RPM and load is within +/-10% of when the fault occurred.

NOTE: It is important to understand that a component does not have to fail under a similar window of operation to mature. It must pass the test under a Similar Conditions Window when it failed to record a Good Trip for DTC erasure for misfire and fuel system monitors.

DTCs can be erased anytime with a DRB III®, Erasing the DTC with the DRB III® erases all OBD II information. The DRB III® automatically displays a warning that erasing the DTC will also erase all OBD II monitor data. This includes all counter information for warm up cycles, trips and Freeze Frame.

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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

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