Page 245 - The Central Motor Vehicles Rules, 1989

RULE 115 THE CENTRAL MOTOR VEHICLES RULES, 1989 217

2. Circuit Rationality.
3. Distance travelled since MIL (Malfunction indicator lamp) ON.
4. Electrical disconnection of Electronic evaporative purge control device.
5. EGR system monitoring.
6. Misfire Detection.
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. Catalytic converter monitoring.

TABLE 4
ON-BOARD DIAGNOSTICS (OBD) EMISSION THRESHOLD LIMITS
FOR BS-VI OBD STAGE II-A
(FOR VEHICLES MANUFACTURED ON OR AFTER THE 1ST APRIL, 2023)
Vehicle CO NOx PM
mg/km mg/km mg/km
(1)
PI vehicles 955 758 140
CI vehicles 955 960 140
(1)
In case of PI engines, applicable only to vehicles with Direct Injection engines.
TABLE 5
ON-BOARD DIAGNOSTICS (OBD) EMISSION THRESHOLD LIMITS
FOR BS-VI OBD STAGE II-B
(FOR VEHICLES MANUFACTURED ON OR AFTER THE 1ST APRIL, 2025)

Vehicle CO NOx PM
mg/km mg/km mg/km
PI vehicles 880 425 140 (1)
CI vehicles 440 300 140
(1)
In case of PI engines, applicable only to vehicles with Direct Injection engines.].
1
[(21) New motor vehicles conforming to Emission Standard Bharat Stage-IV,
manufactured before the 1st April, 2020 shall not be registered after the 30th June, 2020:
PROVIDED that the new motor vehicles of categories M and N conforming to
Emission Standard Bharat Stage-IV, manufactured before the 1st April, 2020 and sold
in the form of drive away chassis, shall not be registered after the 30th September, 2020.]
2
[(22) The Emission Standards Bharat Stage VI (BS-VI) for Quadricycle (Category
L7), for all models shall be as under:—

1 Inserted vide GSR 178(E), dt. 20-2-2018, w.e.f. 20-2-2018.
2 Inserted vide GSR 308(E), dt. 22-5-2020, w.e.f. 22-5-2020.