on board diagnostics

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OBD and Latest trends in Automobile

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TIMELINE

1) ????2) “Need for” OBD3) Automobile “Revolutions”4) “On the origin of” OBD5) OBD “for Dummies”6) “Finding” DLC7) OBD “Unchained”

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“Need for” OBD

S.NO COMBUSTIONPRODUCT

AFFECTEDPART OF THEBODY

PROBLEMS

1 HYDROCARBON Eyes, Lungs Causes irritation,lung Cancer

2 CARBON MONOXIDE Body Reduces the oxygen carrying capacity of Causes heart diseases.

3 NITROGENOXIDES

Lungs Toxic effect on lungs, Causes acute bronchitis in infants and School children.

4 PARTICULATE MATTER

Eyes, Lungs, skin Causes eye irritation and reduction to Visibility, can cause lung cancer, skin cancer

5 SMOKE Eyes Causes eye irritation and reduction in Visibility.

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Automobile “Revolutions” (70’s to 90’s)

• Engine modifications for exhaust – 1) Air Handling System 2) Fuel handling system 3) Emission Regulations 4) Fuel Modification 5) Higher CR/ Design changes

AFTER TREATMENT

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“On the Origin of” OBD

• OBD -1 >> 1980’s• OBD -2 >> 1994• Pollution norms in India >> 2000 *• EOBD >> 2001 • Euro-II India >> 2005 *• Euro-III India >> 2010 *• HDOBD >> Mandatory by EU• Euro-IV India >> ???

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OBD “for Dummies”

• Features of OBD a) Standardized Scan tool with DLC b) Recording of Live data c) MIL* d) DTC

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“Finding” DLC

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OBD “Unchained”

• BS-IV SCR - Generic.pdf• OBD-2 - Technical.pptx• OBD - Working.pdf

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