3 -8
SCR inducement strategy – General inducement strategy
General items
z Vehicle reach final inducement after 4 hours of operation after failure detection.
z Three full power restarts (validation restarts for healing) part of 4 hours time frame.
z Validation restarts
- Validation restarts allowed any time after detection.
- Validation restarts are key cycle locked to avoid unintended activation.
- Limited to 30 minutes each.
- After expiring of the 30 minutes is the engine immediately ramped down to final inducement.
- Validation restart is available only for failures that need heated up after treatment system or
active dosing – not for electrical failures, DEF quality or DEF level.
z Repeated offenders: after 3 failure detections within 40 hours inducement locked
z Failures can be reset only with a dealership tool
- SCR inducement failures.
- Reset of repeated offenders time & event counter.
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