Document ID: chunk:federal_register_of_legislation:F2024C00356:reg:20:p3
Version: federal_register_of_legislation:F2024C00356
Segment Type: reg
Provision Reference: reg 20 (pt 3/13)
Character Range: 172550–175483

If the reagent consumption is not rectified within 50 km of the activation of the warning system then the driver inducement requirements of paragraph 8. shall apply.
              5.5. In the case of interruption in reagent dosing activity the driver warning system as referred to in paragraph 3. shall be activated, which shall display a message indicating an appropriate warning. This activation shall not be required where the interruption is demanded by the engine ECU because the vehicle operating conditions are such that the vehicle's emission performance does not require reagent dosing, provided that the manufacturer has clearly informed the approval authority when such operating conditions apply. If the reagent dosing is not rectified within 50 km of the activation of the warning system then the driver inducement requirements of paragraph 8. shall apply.
              6.  Monitoring NOx emissions
              6.1. As an alternative to the monitoring requirements in paragraphs 4. and 5., manufacturers may use exhaust gas sensors directly to sense excess NOx levels in the exhaust.
              6.2. The manufacturer shall demonstrate that use of these sensors, and any other sensors on the vehicle, results in the activation of the driver warning system as referred to in paragraph 3., the display of a message indicating an appropriate warning (e.g. "emissions too high – check urea", "emissions too high – check AdBlue", "emissions too high – check reagent"), and the driver inducement system as referred to in paragraph 8.3., when the situations referred to in paragraph 4.2., 5.4. or 5.5. occur.
              7.  Storage of failure information
              7.1. Where reference is made to this paragraph, a non-erasable Parameter Identifier (PID) shall be stored identifying the reason for the inducement system activation. The vehicle shall retain a record of the PID and the distance travelled by the vehicle during the inducement system activation for at least 800 days or 30,000 km of vehicle operation. The PID shall be made available via the serial port of a standard diagnostic connector upon request of a generic scan tool.
              7.2. Malfunctions in the reagent dosing system attributed to technical failures (e.g. mechanical or electrical faults) shall also be subject to the OBD requirements in Annex 11.
              8.  Driver inducement system
              8.1. The vehicle shall include a driver inducement system to ensure that the vehicle operates with a functioning emissions control system at all times. The inducement system shall be designed so as to ensure that the vehicle can not operate with an empty reagent tank.
              8.2. The inducement system shall activate at the latest when the level of reagent in the tank reaches a level equivalent to the average driving range of the vehicle with a complete tank of fuel. The system shall also activate when the failures