Page 238 - The Central Motor Vehicles Rules, 1989

210 THE CENTRAL MOTOR VEHICLES RULES, 1989 RULE 115

7. Oxygen sensor deterioration monitoring
8. NOx after-treatment system monitoring

9. Particulate filter monitoring
10. Particulate Matter (PM) Emission monitoring
11. On-Board Diagnostics (OBD) Emission Threshold Limits
12. In-use performance monitoring—
No minimum IUPRM for all monitors M (Functionality of IUPR Determination)
TABLE 3
OBD FUNCTIONS AND ASSOCIATE
C. Vehicles manufactured on or after the 1st April, 2025, shall be required to comply
with the following OBD Stage II-B (BS VI) requirements/standards/compliances as per
AIS 137:—
Sr. No. Monitoring Items

1 Circuit continuity for all emission related power train component
2. Circuit Rationality
3. Distance travelled since MIL (Malfunction indicator lamp) ON
4. Electrical disconnection of Electronic evaporative purge control device
5. Catalytic converter monitoring
6. EGR system monitoring

7. Misfire Detection
8. Oxygen sensor deterioration monitoring
9. NOx after-treatment system monitoring
10. Particulate filter monitoring
11. Particulate Matter (PM) Emission monitoring
12. On-Board Diagnostics (OBD) Emission Threshold Limits
13. In-use performance monitoring—
No minimum IUPRM for all monitors M (Functionality of IUPR Determination)
14. In-use performance monitoring—
IUPRM greater than or equal to 0.1 for all monitors M]
1
[(13) Detailed requirements for tracking IUPR are given in AIS 137.]

1 Substituted vide GSR 809(E), dt. 9-11-2022, w.e.f. 10-11-2022.