Technica
l Informatio n
Th e diagram s i n thi s sectio n giv e
yo u th e dimension s an d capacitie s o f
you r Honda , an d th e location s o f th e
identificatio n numbers . Th e expla -
nation s o f severa l electroni c an d
mechanica l system s o n you r Hond a
ar e fo r th e mor e technically-oriente d
owner . Identificatio
n Numbers................ . 30 4
Specification s
(4-cylinde r Models).................. . 30 6
Specification s
(6-cylinde r Models).................. . 30 8
DO T Tir e Qualit y Gradin g
(U.S . Cars)............................. 31 0
Treadwear................................. . 31 0
Traction...................................... . 31 0
Temperature............................. . 31 1
Oxygenate d Fuels......................... . 31 2
Drivin g in Foreig n Countries...... . 31 3 Emission
s Controls....................... . 31 4
Th e Clea n Ai r Act..................... . 31 4
Crankcas e Emission s Contro l
System.................................... . 31 4
Evaporativ e Emission s Contro l
System.................................... . 31 4
Onboar d Refuelin g Vapo r
Recovery................................ . 31 4
Exhaus t Emission s Controls... . 31 5
PGM-F I System.................... . 31 5
Ignitio n Timin g Contro l
System................................ . 31 5
Exhaus t Ga s Recirculatio n
(EGR ) System................... . 31 5
Thre e Wa y Catalyti c
Converter........................... . 31 5
Replacemen t Parts.................... . 31 5
Thre e Wa y Catalytic Converter.. . 31 6
Technica l Informatio n
Emission
s Control s
Exhaus t Emission s Control s
Th e exhaus t emission s control s
includ e fou r systems : PGM-FI ,
Ignitio n Timin g Control , Exhaus t
Ga s Recirculatio n an d Thre e Wa y
Catalyti c Converter . Thes e fou r
system s wor k togethe r t o contro l th e
engine' s combustio n an d minimiz e
th e amoun t o f HC , CO , an d NO x tha t
come s ou t th e tailpipe . Th e exhaus t
emission s contro l system s ar e
separat e fro m th e crankcas e an d
evaporativ e emission s contro l
systems .
PGM-FI System
Th e PGM-F I Syste m use s sequentia l
multipor t fue l injection .
I t ha s thre e subsystems : Ai r Intake ,
Engin e Control , an d Fue l Control .
Th e Engin e Contro l Modul e (ECM) /
Powertrai n Contro l Modul e (PCM -
A/ T only ) use s variou s sensor s t o
determin e ho w muc h ai r i s goin g
int o th e engine . I t the n control s ho w
muc h fue l t o injec t unde r al l
operatin
g conditions .
Ignition Timing Control System
Thi s syste m constantl y adjust s th e
ignitio n timing , reducin g th e amoun t
o f HC , C O an d NO x produced .
Exhaust Gas Recirculation (EGR)
System
Th e Exhaus t Ga s Recirculatio n
(EGR ) syste m take s som e o f th e
exhaus t ga s an d route s it bac k int o
th e intak e manifold . Addin g exhaus t
ga s t o th e air/fue l mixtur e reduce s
th e amoun t o f NO x produce d whe n
th e fue l i s burned .
Three Way Catalytic Converter
Th e thre e wa y catalyti c converte r i s
i n th e exhaus t system . Throug h
chemica l reactions , i t convert s HC ,
CO , an d NO x in th e engine' s exhaus t
t o carbo n dioxid e (C0 2), dinitroge n
(N 2), an d wate r vapor .
Replacemen
t Part s
Th e emission s contro l system s ar e
designe d an d certifie d to wor k to -
gethe r i n reducin g emission s t o
level s tha t compl y wit h the Clea n Ai r
Act . T o mak e sur e th e emission s
remai n low , yo u shoul d us e onl y ne w
Genuin e Hond a replacemen t part s o r
thei r equivalen t fo r repairs . Usin g
lowe r qualit y part s ma y increas e th e
emission s fro m you r car .
Th e emission s contro l system s ar e
covere d b y warrantie s separat e fro m
the res t o f you r car . Rea d you r
warrant y manua l fo r mor e informa -
tion .
Technica l Informatio n
