CNH Tier 4B Final SCR Emissions Index:

1. 2014 Tier 4B Final Emission Standard

2. T4B Final Emission Dates

3. Particulate Matter (PM) / Nitrogen Oxides (NOx) / Ammonia (NH₃)

4. Tier 4A & 4B Similarities

5. How Tier 4 Final SCR Works

6. Emissions Target Comparison

7. Tier 4B System Components: New or Upgraded

8. New Major Components

9. Typical Vehicle Impact

10. T4A vs. T4B SCR System Components

11. Bosch EDC17CV41 Engine Controller (ECU)

12. T4B Electrical CAN Bus

13. What Are Smart Sensors / Smart Actuators?

14. EDC17CV41 Engine / SCR Controller Electrical Inputs

15. Engine Controller Troubleshooting

16. Exhaust Flap

17. Exhaust Flap Troubleshooting

18. Thermal Management

19. Diesel Oxidation Catalyst (DOC)

20. SCR / CUC Catalyst

21. DEF Upstream and Downstream NOx Sensors

22. Open Loop / Closed Loop / Dew Point

23. Sensor Inspection and Failures

24. Exhaust Temperature Sensors

25. Temperature Sensor Troubleshooting

26. NH₃ (Ammonia) Sensor

27. Advanced SCR Control Strategy

28. DEF Supply Module

29. Pressure Build-Up Troubleshooting

30. Dosing Injector Module

31. DEF Quality Sensor (UQS)

32. DEF Tank

33. WEMA DEF Level / Temperature Sensor

34. Coolant Control Valve

35. Filtration

36. SCR Hydraulic Schematic

37. Intake Air Humidity / Temperature Sensor

38. FPT Engine Updates

39. SCR Electronic Logic

40. Selective Catalytic Reduction Warnings and Inducements

41. Electronic Service Tool (EST)

42. Worksheets