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# 43 ) ll-A-3 5
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### I TITLE 13

. CALIFORNI

A AI R RESOURCE S BOAR

D NOTIC E O

F PUBLIC HEARIN

G TO CONSIDE

R TECHNICA

L STATU S AN

D PROPOSE

D REVISION S T O MALFUNCTIO N AN D DIAGNOSTIC SYSTE

M REQUIREMENT S FO R 199 4 MODEL-YEA

R PASSENGE

R CARS , LIGHT-DUT Y TRUCKS , AN

D MEDIU

M DUT Y VEHICLES AN

D ENGINE S (OB D II ) Th e Ai r Resource s Boar

d (th e "Board " or

"ARB" ) will conduc t

apubli c hearin g a

t th e tim e an d plac e note

d belo w t o conside r amendments t

o California' s On-Boar

d Diagnosti c I I (OB D II ) requirement s t o clarify , ensur e maximu meffectiveness , an

d t o addres s manufacturers ' concern s regardin g implementation o f th e regulation

. DATE : Decembe

r 8 , 199 4 TIME : 9:3 0 a.m . PLACE : Ai

r Resource s Boar

d Hearing Room , Lowe

r Leve l 202 0 "L " Stree

t Sacramento , C

A 9581 4 

## 8 

## I ? 0 W E 5199 5 EP A AI R DOCKE T
Thi s ite mwil l b e considere d a

t atwo-da y meetin g o f th e Board , whic

h wil l commenc e a

t 9:3 0 a.m. , Decembe

r 8 , 1994 , an

d ma y continu e a

t 8:3 0 a.m. , Decembe

r 9 , 1994

. Thi s ite

m ma y no t b e considere d unti l Decembe r 9 , 1994

. Pleas e consult

th e agend afo

r th e meeting , which wil l b e availabl e a

t leas t 1 0 day s befor

e Decembe

r 8 , 1994 , t

o determin e th e da

y o n which thi s ite

mwil l b e considered

. TNFORMATTV F DTGFS T O F PROPOSE D ACTTON/P T AT N FNGT.TSF

T PO T TP Y STATEMEN T OVF.RVTF. W Section s Affected : Propose d amendment s t o section s 1968.1 , 2030 , an d 2031 , Titl e 13 , Californi a Code o f Regulation s (CCR) , an

d th e certification procedure s reference d i n th e latte r

tw o sections , "Californi aCertificatio n an d Installatio n Procedure s fo r Alternativ e Fue l Retrofi t

System s fo

r Moto r Vehicle s Certifie d fo

r 199 4 an d Subsequen

t Mode l Years, " Marc

h 11 , 1993

. Section 1968. 1 wa s originally adopte d b y th e Boar d o n Septembe

r 14 , 1989

. Th e Executiv e Office r ha s determine d tha

t th e amendment s ma

y have a n affec t o n som e small businesse s in th e aftermarke t part s industry

. Th e regulatio n require s manufacturer s t o implemen

t ne w on-boar d diagnosti c system s startin g wit h th e 199 4 mode l year . Thes e OB D system s replac e system s previously require d b y sectio n 1968 , know n a s OB D I

. Applicabilit

y o f th e OB D II requirement s extend s t o passenge

r cars , light-dut

y trucks , and medium-dut

y vehicle s an

d engines

. Th e regulatio n specificall y require s th e implementatio n o

f monitorin g strategie s fo

r catalys t efficiency , misfir

e detection , evaporativ e systems , exhaus t

ga s recirculatio n (EGR

) systems , fue

l systems , oxyge

n sensors , secondar

y air systems , electroni c emission-relate d powertrain components , an d others

. I t

furthe r require s tha

tP. 3

diagnosti c information b e provide d i n astandardize d format , an d tha t th e communicatio n lin

k use d t o transmi t th e information b e standardized throughou t th e industry

. I n Resolutio n 89-77 , whic

h wa s adopted a

t the tim e th e Boar d approved sectio n 1968. 1 fo r adoption , the Boar

d instructe d th

e AR B staf f t o provide a

n updat e withi n tw o year s afte

r th e adoptio n o f OB D II

. Specifically , th

e staf f was directe d t

o advis e th

e Boar d o n th e progres s o

f manufacturer s i

n complyin g wit

h th e requirement s i

n the specifie

d tim e fram e and t o propos e amendment s t

o th e regulatio n deeme

d necessar y based o n industr y progres s an

d comments
. I n Septembe

r 1991 , th e AR

B hel d ahearing o

n th e statu s o

f OB D I I compliance

. A

t tha t time , i t wa s reporte d tha

t manufacturer s wer

e makin g significan

t progres s i

n developin g complyin g monitorin g systems
. However , i n respons e t

o concern s raise d b

y manufacturer s regardin g reliability , an

d adesir e b y staf f tha t the regulatio n b e modifie

d t o enhanc e th e effectivenes s o f th e regulatio n an

d t o mak e th e stat e regulatio n mor

e consisten

t wit h the on-boar

d diagnosti c syste

m the n bein g proposed b

y the United State s Environmenta l Protectio n Agenc

y (U.S

. EPA) , the Boar

d approve d fo

r adoption amendment s t

o section 1968.1

. I

n Resolution 91-42 , th e Boar d directe d staf f t o continu e monitorin g research an d developmen

t activitie s relate d t

o implementatio n o

f th e on-boar d diagnosti c syste

mrequirement s fo

r low-emission vehicle s an

d t o repor t bac k t o the Boar d wit h arecommendatio n t

o modif y an y o f th e requirement s if

suc h requirement s ar e foun

d t o b e nonfeasibl e and/or

impractica

l fo r asignifican

t numbe r o f manufacturers , wit

h suc h report s t o includ e recommendation s fo r furthe r modificatio

n o f the regulation

. I n Augus t 1993 , upo

n receip t o f aPetitio n fro

mFor d Moto r Company , th e AR

B considere d an

d adopte d amendment s t

o the regulation s tha

t offere d complianc e relief

t o manufacturer s whic

h i n goo d fait h have attempte d t

o compl y wit h th e th e regulations , bu

t whic h hav e bee

n unabl e t o certif y afull y complian

t monitoring system
. A s o f thi s date , although man

y manufacturer s hav e bee

n abl e t o certif y an d hav e bee

n offerin g fo r sal e in Californi avehicle s meetin g the OB D I I regulation , manufacturer s continu e to hav e problem s i n developin g full

y complian

t monitoring systems
. Thes e problem s generally ar e associate d wit h implementatio n o

f enhanced monitoring requirement s tha t ar e effective wit

h th e 199 6 o r

later model years . Specifically , manufacturer s hav e expresse d concern s abou t th e OB D I I catalys t efficiency requirement s fo

r low-emission vehicl e applications , an d the enhance d monitorin g condition s fo

r misfir e detectio n systems
. Amendments t o th e regulatio n ar e propose d t o addres s thes e implementatio n concern s whil e maintaining th e effectivenes s o f th e requirements

. Further , additiona l lea d tim e i s propose d t

o facilitat e an y modification s tha

t ar e necessar y t o ensur e tha t th e revise d requirement s wil l b e me t in-use

. Th e staf f ha s propose d amendment s t o addres s othe

r OB D I I implementatio n concern s a s well

. Amendment s ar

e propose d t

o definemor

e specificall

y the OB D I I tampe

r resistanc e requirement s an d th e monitoring requirement s fo r diesel vehicle s an

d engines

. Also , additiona l leadtime i s propose d fo

r ful l OB D II complianc e o

n vehicle s usin

g alternat e fuels

. Regardin g th e latter , fo r purpose s o

f consistenc y th e staf

f ha s proposed a

n amendmen

t to the certificatio n procedure s fo rP. 4

alternate fue

l retrofi t system s wit

h respec t to OB D I I syste

mperformance

. Thes e tes t procedure s ar e reference d b

y section s 203 0 an

d 203 1 o f Titl e 13

. Separately , a

n amendmen

t i s propose

d tha t woul d increas e th e effectivenes s o f OB D I I system s i

n detectin g smal

l evaporativ e syste

mleaks , requirin g th e detectio n o f leaks a s small a s th e equivalen t o f a0.02 0 inc

h diamete r orifice

. Th

e improved requiremen

t would b e phased i

n beginnin g wit

h th e 199 8 mode

l yea r throug h th

e 200 0 mode l year . Finally , anumbe

r o f amendment s ar

e proposed t

o addres s minor

implementatio n concern s tha t hav e bee n identifie d throug h th

e experienc e gained i

n bringin g OB D II system s to production , an d t o furthe r clarif y the regulator

y requirements

. Cnmparisn n Wit h Simila r Fpdera l Requirements

I n Februar y 1993 , the U.S

. EP

A promulgated fina

l on-boar d diagnosti c requirement s fo r federall y certifie d vehicles

. (4 0 CF R Par t 86 , section s 86.094-2 , 86.094-17 , 86.094-18(a) , 86.094-21(h) , 86.094-259(d) , 86.094-30(0 , 86.094-35(i) , 86.095-30(0 , 86.095-35(i) ; se e 5 8 Fed.Re g 9468-948 8 (Februar y 19 , 1993). ) Th e federa

l OBD requirement s are comparabl e i n concep t an d purpos e wit

h California' s OB D II regulation ; however , difference s exis t wit h respec t t o th e scop e an

d stringenc y o f bot h set s o f requirements

. Unde r th e OB D I I requirements , manufacturers must implemen t monitoring strategie s fo

r essentially al l emissio n contro l systems an d emission-relate d components , a s mentione d i n the abov e summary . Generally , amalfunctio n must b e indicate d whe

n componen

t deterioratio n or failur e cause s emission s to excee d 1. 5 time s th

e vehicle' s emission standards ; however , eve n if th e emissio n threshol d would no t be exceede

d upo n failur e o f a n emission-relate d component , functiona l monitorin g o f

th e componen

t i s still required

. Th e federa l requirement s specificall

y cal l fo r th e monitorin g o

f onl y the catalyst , th

e presenc e o

f engin e misfire , an

d oxyge n sensors . Othe

r syste mo r component s need onl

y b e monitored i

f by malfunctioning , vehicl e emission s woul d excee d specified tailpip e o r evaporativ e emission thresholds

. Fo r vehicle s certifie d t

o Californi astandard s identica l t o th e federa

l Tie r 1 standard s (0.2 5 gram s pe r mil e (g/mi ) hydrocarbon s (HC) , 3. 4 g/m i carbo n monoxid

e (CO) , 0. 4 g/mi oxide s o

f nitroge n (NOx)) , vehicl e emissio n level s shoul d no t b e significantl

y differen t a t the time amalfunction i s indicate d using either

aCaliforni acertified or

federall y certifie d OBD monitorin g syste m (assumin g the componen

t or syste mwoul d b e monitored unde

r the federa l requirements)

. However , a s vehicl e emissio n standard s ar e significantl

y reduce d unde

r the Californi aLow

Emissio n Vehicl e (LEV ) progra m(Titl e 13 , CCR , section s 1960.1) , the fac t tha t th e OB D I I regulatio n require s malfunction determination s relativ e t o th e lowe r standard s wil l resul t

i n California' s OB D I I requirement s bein g mor e stringen t tha n thos e adopted b y th e U.S

. EPA

. Th e mor e stringen t Californi aregulation s ar

e authorize d pursuan

t t o the Legislature' s directiv e i n Healt h an d Safet y Code sectio n 4301 8 tha

t the AR B endeavor

t o achiev e th e maximu

mdegre e o

f emissio n reductio n possibl e fro mvehicula

r source s i n order to accomplish th e attainment o f th eP. 5

stat e standard s a

t th e earlies t

practicabl e date

. Specifically , section 4301 8 require s tha t the Boar d adopt , amon

g othe r things , regulation s tha

t woul d resul t i n reduction s i

n moto r vehicl e exhaus t

an d evaporativ e emissions , an

d reduction s i

n moto r vehicl e in-us e emission s through improvement s in emission syste

mdurabilit

y an d performance

. Th e OB D I I requirement s hav e bee n adopte d i

n a n effor t t o mee t thi s directive

. I n a n effor t t o promote consistenc y betwee n th e Californi aan

d federa l OB D requirement s an

d t o minimiz e unnecessar

y duplicatio n o

r conflict s betwee

n the tw o regulations , th e Board , i n the amendment s approve d fo

r adoption i

n 199 1 (an d formall y adopte d i

n July 1992) , modifie

d th e OB D I I catalys t

monitorin g requirement s t o be almos t

identica l t o the federa

l requirement s fo

r vehicle s meetin

g the Tie r I federa l standards

. Further , the 199 2 amendment s t o th e OB D I I regulatio n provid e tha

t afte r the 199 8 mode

l year , Californi awil l accept complianc e wit

h th e federa l OB D requirement s fo

r vehicle s no

t certifyin g t o the Californi aLE

V standard s bu t

rathe r to th e Californi aequivalent

o f the Tie r 1 federa l standards

. Dnr.nment s Incorporate d h y Reference. 1 "Californi aCertificatio n an d Installatio n Procedure s fo r Alternativ e Fuel Retrofi t

System s fo

r Motor Vehicle s Certifie d fo

r 199 4 an d Subsequen

t Mode l Years, " amende

d March 11 , 1993

. Societ y o f Automotiv e Engineer s (SAE ) Recommende

d Practic e J1850 , "Clas s B Dat a Communication Networ

k Interface, " May , 199

4 SA E Recommended Practic e J1930 , "Electrical/Electroni c System s Diagnosti c Terms , Definitions , Abbreviations , an

d Acronyms, " Jun

e 199 3 SA E Recommende

d Practic e J1962 , "Diagnosti c Connector, " June , 1992 SA E Recommended Practic e J1978 , "OB D I I Sca n Tool, " June , 199

4 SA E Recommended Practic e J1979 , "E/ E Diagnosti c Tes t

Modes, " June , 199

4 SA E Recommended Practic e J2012 , "Recommende d Forma t an d Message s fo

r Diagnosti c Troubl e Codes, " January , 1994 AVATT.AP.TT.TT

Y O F nOPTTMFMT. S AN D PONITAP T PF.R.9Q N Th e Boar d staf f ha s prepare d aStaf

f Repor t whic h include s th e initia

l statemen t o f reason s fo

r th e propose d action an

d asummar

y o f th e environmenta

l impact s o

f the proposal , if

any . Copie s o

f th e Staf f Repor t an d th e ful l text o f the proposed regulator

y languag e ma

y b e obtaine d fro

mth e Board' s Publi c Informatio n Office , 2020 L Street , Sacramento , C A 95814 , (916 ) 322-2990

. I t ha s furthe r determine d tha

t i t i s no t feasible t o draf t the regulatio n i

n plai n Englis h du e to th etechnica

l natur e o f the regulation ; however , the Staf f Repor t present s asummar

y o f th e regulatio n i n plain English an

d i s availabl e as se

t fort h above

. Th e Boar d staf f ha s compile d arecor

d whic h include s al

l information upo

n which th e proposa

l i s based

. Thi s materia

l i s availabl e fo

r inspectio n upo

n reques t t o the contac t

perso n identified immediately below

. Furthe r inquirie s regardin g thi s matte r shoul d b e directe d t

o Alle n Lyons , Air Resource s Enginee

r Associate , a

t (818 ) 575-6833 , 952 8 Telsta r Avenue , El Monte , C

A 91731

. POST S T O PTTRT.T

P AOF.NPTF S AN D T O PJTSTNFSSF. S AN D PFRSON S AFFECTE D Th e determination s o

f th e Board' s Executiv e Office r concerning the cost s o r

saving s necessaril

y incurre d i n reasonabl e complianc e wit h the proposed regulation s are presente d below

. Th e Executiv e Office

r ha s determine d tha

t the proposed regulator

y action wil l no t

create cost s o r savings , as define

d i n Governmen

t Cod e section 11346.5(a)(6) , t

o an y stat e agenc y o r

i n federa l fundin g t o th e state , cost s o r

mandat e -t o an y loca l agenc y or schoo l distric t

whethe r o r not reimbursabl e b

y the stat e pursuan t t o Par t 7 (commencin

g wit h section 17500) , Divisio n 4 , Titl e 2 o f th e Governmen

t Code , o r othe r nondiscretionar

y saving s t

o loca l agencies

. Wit h respec t t o producer s o

f aftermarke

t component s fo

r light

- an d medium-dut

y vehicles , th

e Executiv e Office

r ha s determine d tha

t adoption o

f th e proposed regulator

y actio n ma

y have a significan t advers e economi c impact

o n businesses , including th e abilit y o f Californi abusinesse s t

o compet e wit h businesse s i

n othe r states
. Suc

h businesse s would b e require d t o certif y tha t component s offere

d fo r sal e i n th e stat e o f Californi awoul

d not adversel y impac t th e performanc e o f vehicl e diagnosti c system s meetin g th e requirement s o

f section 1968.1 , Titl e 13 , whic h coul d resul t i n increased cost s associate d wit h the developmen

t an d manufactur

e o f aftermarket components
. The Executiv e Office r ha s considere d proposed alternative s tha t woul d lesse

n an y advers e economi c impac t

o n busines s an

d invite s yo

u t o submi t proposals

. Submission s ma y includ e th e followin

g considerations : 't o (i ) Th e establishmen

t o f differin g complianc e o

r reportin g requirement s o r

timetable s whic

h tak e int o accoun t th e resource s availabl e t

o businesses

. (ii ) Consolidatio n o r

simplification o

f complianc e an

d reportin g requirement s fo r businesses

. (iii ) The us e o

f performanc e standard s rathe r tha n prescriptiv e standards

. (iv ) Exemptio

n o r partia l exemption fro

mthe regulator

y requirement s fo

r businesses

. Finally , the Executiv e Office r ha s determine d tha

t ther e wil l b e no , o r a n insignificant , potentia

l cos t impact , a s define

d i n Governmen

t Cod e section 11346.53(e) , o

n private person s o r

businesse s directl y affecte

d resultin g fro

mth e proposed action

.P. 7

I n accordanc e wit

h Governmen

t Cod e section 11346.54 , the Executiv e Office r ha s determine d tha

t th e propose d regulator

y action shoul

d overall hav e amino

r or positiv e impact

o n th e creation o r eliminatio n o

f job s withi n the Stat

e o f California , the creatio n o

f ne w businesse s or

eliminatio n o

f existin g businesse s within California , an d o n the expansion o

f businesse s currentl y doing busines s withi n California

. A

n assessmen

t o f the economi c impact s o

f the proposed regulator

y action ca

n b e foun d i n the Staf f Report

. Befor e taking fina

l actio n o n th e proposed regulator

y action , the Boar

d must determin e tha

t n o alternativ e considere d b

y the agenc

y woul d b e mor e effective i

n carryin g out

th e purpos e fo

r which th e actio n i s propose d or

woul d b e as effective an

d les s burdensom

e t o affecte d private person s tha n th e proposed action

. .STTRMTTTAT

. O F POMMFNT. S Th e publi c ma

y present comment s relatin g t

o thi s matte

r orally o r i n writing

. T o b e considere d b

y the Board , writte

n submission s must

b e addresse d t

o an d receive d by th e Boar

d Secretary , Ai

r Resource s Board , P

. 0

. Bo x 2815 , Sacramento , C

A 95812 , n o later

tha n 12:00 noon , Decembe

r 7 , 1994 , o r

received b

y th e Boar d Secretar y a t the hearing

. Th e Boar d request s but

doe s no t requir e tha t 2 0 copie s o

f an y writte n statemen

t b e submitted an d tha t al l written statement s be file d a t leas t 1 0 day s prio r

t o th e hearing

. Th e Boar

d encourage s member s o

f the publi c t

o brin g t o the attentio n o

f staf f i n advanc e o

f th e hearin g an y suggestion s fo

r modification o

f the propose d regulator

y action

. •STATUTOR Y AUTHORIT Y AN D HF.AP.TNf i PROPFPTTRF S Thi s regulator

y action i s proposed unde

r tha t authorit y grante d i

n section s 39515 , 39600 , 39601 , 43006 , 43013 , 43018 , 43101 , an d 4310 4 o f the Healt h an d Safet y Code , ari

d section s 2715 6 an d 3839 5 o f th e Vehicl e Code

. Thi s action i s propose d t o implement , interpre t

an d mak e specifi c section s 39002 , 39003 , 39667 , 43000 , 43004 , 43006 , 43008.6 , 43013 , 43018 , 43100 , 43101 , 43101.5 , 43102 , 43104 , 43105 , 43106 , an d 4320 4 o f the Healt h an d Safet y Code , an d section s 27156 , 38391 , an d 3839 5 o f th e Vehicl e Code

. Th e publi c hearin g wil l b e conducted i n accordanc e wit

h th e Californi aAdministrativ e Procedure Act , Titl e 2 , Divisio n 3 , Par t 1 , Chapte r 3. 5 (commencin

g wit h sectio n 11340) o

f th e Governmen

t Code

. Followin g th e publi c hearing , th e Boar d ma y adop t the regulator

y languag e a s originall y proposed , or

wit h nonsubstantia

l o r grammatica

l modifications

. The Boar

d ma y als o adop t

th e propose d regulator

y languag e wit

h othe r modification s if

th e text a s modifie

d i s sufficientl

y relate d t o the originall y propose d tex t tha t th e publi c was adequatel

y placed o n notic e tha

t the regulator y languag e a s modifie

d coul d result fro mthe propose d regulator

y action ; in suc

h event th e ful l regulator y text , wit h th e modification s clearly indicated , wil l b e made availabl e . .P. 8

' •

t o th e public , fo

r writte n comment , a

t leas t 1 5 day s befor

e i t i s adopted

. Th e publi c ma y reques t acop y o f th e modifie

d regulator

y tex t fro mthe Board' s Publi c Information Office , 202 0 L Street , Sacramento , C A 95814 , (916 ) 322-2990

. CALIFORNI

A AI R RESOURCES BOAR

D 

## ^JlfW, CJXC^=*^ Jame s D

. Boy

d Executiv e Office

r Date : Octobe r

11 , 199 4