On Board Diagnostics

A PPT touching upon the basics of OBD, and the technology behind it.

1. OBD and Latest trends in Automobile 5/17/2013 1

2. TIMELINE ???? “Need for” OBD Automobile “Revolutions” “On the origin of” OBD OBD “for Dummies” “Finding” DLC OBD “Unchained” 5/17/2013 2

3. “Need for” OBD S .N O C O M B U STION P R O DUC T AF F E C TE D P AR T O F THEBO D Y P R OBLE M S 1 HYD R O C A R B O N E y e s, L u n g s C a u s e s i rr i t a ti on , l un g C a n c e r 2 C A R B O N MONOX I D E B o d y R e du c e s t h e o x y g e n c a r r y i n g c a p a c i t y o f C a u se s h e a r t d is e a s e s. 3 N I T R OGE N O X I DE S L u n g s To x ic e ff e c t o n l u n g s, C a u s e s a c u t e bron c h itis in i nf a n ts a n d S c hoo l c h il d r e n . 4 P A R T I C U L A T E MATTE R E y e s, L u n g s, s k in C a u s e s e y e i r r i t a ti o n a n d r e d u c ti o n to V isi b ili t y , c a n c a u se l u n g c a n ce r , skin cancer 5 S M O K E E y e s C a u s e s e y e i r r i t a ti o n a n d r e d u c ti o n in V isi b ili t y . 5/17/2013 3

4. 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 5/17/2013 4

5. “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 >> ??? 5/17/2013 5

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7. OBD “for Dummies” Features of OBD a) Standardized Scan tool with DLC b) Recording of Live data c) MIL* d) DTC 5/17/2013 7

8. “Finding” DLC 8 5/17/2013

9. OBD “Unchained” BS-IV SCR - Generic.pdf OBD-2 - Technical.pptx OBD - Working.pdf 5/17/2013 9

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