1998 ACURA INTEGRA ecm

UNDER-DASHFUSE/RELAYBOX
c301
c126
POWERTRAINor ENGINE
F,ltffi lialEE:;hfui | (PcM or EcM)
alcM) | PHaraTT lga 99)| 420 | PHA|A t4A t00i
(98 s9 20) Y (C408 98- s9)13 ll c457
YEUGFN
o
'98-'99 Models
BL{J
7
ALU
c103
cl 09
DISTRIBUTORASSEMBLY
c418(Terminals 18-20)
c452
cl27
BU'
9.
BLU
7BLU
'd
c301
JI
'"'fil
TESTr-]i.I GAUGE
lraiii'o l3,sseqarv
lmerer | --TACHOMETERCONNECTOR
IGNITIONcolLPower lgnition inputslgnalPrimaryoutout Enqine soeedcoritrol cround ouiaut (RPM)
20-.,l

NOTE: Fuse 31 is HOT with lgnition Switch in START (lll) and clutch pedal depressed or
A/T Gear Selector in PARK (P) or NEUTRAL (N), see Starting System, pages 21 and 21-1.
r---------1----''l
i I FusE31 I; STARTER
I see Intesrared i ;LSir' !
L9"1"''"'L_:-____..i11 Y C439*",l'"'tr F'*13*
UNDER-DASHFUSE/RELAYBOX
PGM-FIMAINRELAY
oBLU wHr i2 A' C446
"",."-F"'q--
I "..,""'"T
t*'
PORATIVE I"-fi::
ilf
l$tT*"", t-il1-ll$,":,:{}fltrt I Hlui#,'1 l( cl 16 l-iL-l :::l: i: :i'": " ll 1 Y c7s1
,:: ,{;,
-i::'ff"H:'
1"".*t*;-
,F
w,,l.L5j*
124------ -r:A'-----------:-A L4u! o.Av'ur-----=-r
i ,|o3". rAJBr ,|1f;, ,"$"r I
rAc EVAP Fuel start'ng I vatue Purgs conttol PumP - InPu Ivatue Putgs conttol PumP - rrrpur I control solenoid control
I valve control I
.l-------ENGINE CONTROL MODULE (ECM}
(cont'd)
23-1

ENGINE CONTROLMOOULE (ECM)PHOfa 77
ll
tSecondaryHO2S input{sHo2s)D14i-------------J
FUSE 'I5
ALTERNATOFSP SENSOF
UNDER-DASHFUSE/RELAYBOX
12
See PowerDistfibution,
--':':'5 ic438la Y calo
See Ground IDistribution, llpage 14-1 BLuiFEo I
YT
BFA,DED ! u"o'o.o r$l
LTSL+J
See Power Distribution,page 10-3.
gLKAVHT
I
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I
-l 'fir*"
*^lt:: | !
I
-""-
|
!J
["r
I See GroundBrK/BLK
I
o":o,T:il
![oR,
)12'a-a'G101: PHOfO2S
1
t
GNN
ORN/BLU
c454PHOfO 93
SECONDARYHEATEDOXYGENSENSOR(HO2S)
EVAPORATIVEEMISSION(EVAP) CONTROLCANISTERVENT SHUT VALVE
EVAPORATIVEEMISStON(EVAP) BYPASSSoLENOtOVALVE
GBN/NEO
c793
c510
c421
c408
EVAP controlcanister ventshut valveconrol
'-,r-l
EVAP bypass I
ENGINECONTROLMODULE(EcM)
429(so2srrlc)SEcondaryHO2Sheatercofltrol
solenoidvalve control
(cont'd)
23-5

lgnition MAP
d',rtput Rsfetenag sensor Sensor
I Ground Ground Groud signal vollago input ground
: rLGl) (r,Gzl rpclr rtcM) (vccl) {MAP eB) (sG1)I B2o Blo 82 413 c19 c17 c7
I
I
\
MANIFOLD ABSOLUTEPRESSURE (MAP)SENSOR
POWERTRAINor ENGINECONTROLMODULE(PCM o. ECM)
c102c301
c127i[::
YEUGRN
See GroundDistribution,paos 14.
10
See GroundDistribution,pages !4and 1+1.
-i
"L
:p
I lg:Ll- I
I ii5ilr I
lGNtTtot{coxTnolMODULf
0cM)L-----J
DISTRIBUTORASSEMBLY
(cont'd)
24-3

POWERTRAIN ot ENGINECoNTROL MOoULE (PCM or eCM)PHATO 14A
I ll lFusEls IPASII .. ALTERNATOF I TUDE/t at )3!'5PJ$9" !;".iii Socondary al t isa
t ib"z"si"ii l I 1
'-
R9-9_t9y:t l"';?T","t -o2i- l! -ti"l1'lil'9" ,
zr ll'.ivo io-i-c*-o---- aYa5t-----
3ii,3lli"Lo i !
e''oro6l ".*".. I
o"o'ou'
seepower
-
*n?*'
! I
____cs'.__._,lrfol:i:i,.tl
fu!***"[+] I ii]ffilE*
See Ground | | c,.oroat I Pra|a62
-.-r I :
i fitr'*,'
9 ^ C421
I
*'*"1 -*-l :""Trl
il "..-ii;*-
*t'*'1i".,.
lffill
*=#;$*
i I oisinourion. '! |5rr ltenrn
lJ-
i .l::.'= i[ | fl"liilt*--;ttl%*
i fTiUV'#..^'" i !,y",-,,.
*"illlilffi; il +l
i#l
*":.fH;' i
iln
"'
i
'gr^"".^"f
*''""
-"1
r'fu*',*,
I i=l;iHtreFl
--Y:i'-- -- .[=*---J;; . fl==JL---.
| ,*Aunr", : (,ABsoL) : ntr, ,"$3"r !I s"ii,ij"ri I rnalonr,ot i evnp ionrror evlF oypass I Hbzs tredret I ioGno;o : canister vent solenoid - |
kHiH**l1 ;';Fi'
I control : valve controt , shut valve valve control i'_ _ ' controla------- ------J
POWERTBAIN or ENGINECONTROL MODULE (PCM or ECM)PHOfO 140
(cont'd)
24-5

r--1 caucE I r--'t lGNlnoN
,l;:
DISTRIBUTORASSEMBLY
TESTTACHOMETERCONNECTOB
r--1 POWERTRAINTEST I lorENGlNETACHoMETER I I coNTRoL MoDULECONNECTOR | | (PCM or ECM)PHO|Q 36 L--J PHO\O 1aA
.:r"'' ::"r**
..1^"^, I
.-,1 ilo-;52 I*
l-!
t*"L________
l__j**" ililf,fj$8Blt?'; -^;." ! Y-I-- --'-r-----
.,,,I BLU I*-l s:a c1o9
. I "or, --.f r;'orc 'o
9,^::,,, ";f
t'ot'"
'ls":/",
Btu I aLU 2
---
"., I *, I
c3o6
!!",?ii:" 'l--.4n+,.
-"1--:1"-l
'00 Model"il
".',-- -'l cRUlsE
I RPtvl input I CONTROLI UNIT
Models
lPHora 55
I oisengage input Vehicle speed input rL - - - - - - - -*? =_-_-_-_-_-:_-_-_== = =_-_;ffcr--r i
M/r PNKI Air I; "Hf----;---
,
---.tf c417
*f "n^f
""" I :ffs:"ff:,
*oa,,"",*,,"",.---:l[i:].', uo-u=uo
/.1ff;i;lu:*r |
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ii iit'diF' !--l
":"1",,,
"i-f t* ' """1 :ffs:"ff;
,.[:..
i'*f-i
li*'
I oaoe ,+ +
I ftf,ll,*r i;p-pT l ;.#i""J:*^l
i i "'*l L'itliY#;"
b;'t
t----'{
non-,: pHOTO 56 - PHOTO 56
34-3

Automatic Transmission Controls
- '98-'99 Models (cont'd)
YEUatu
-ry
UNDER-DASHFUSE/RELAYBOX
SERVICE CHECK CONNECTOR
1l[----- -i-f c+os
"""t"'
I see
-^
|.EE< ABS,
i-1
Ti:
t':,;"'1...,
*";'1".,,
- sRS
""1
#t*r-^:----- ENGTNE r--:-I TRANSM|SS|ON I rI r*ib rsis, I coNTRoLl r"sb'sr I coNTRoL I i
fl i$yjHlr'!;f#n",!ffiii:' \i- !- G401- PHOTO 56
r)J-1
i*J itTffe.- ir:";-
- - - -
s:I-
- - - -
;;; I HffilEr''". i T r.s:;
- -
II voliage l{ECM) | input
I w,?- | i.o, o,, L :t - - - - - jrfl - - - - - Si
j hfiY:t'
".
i 1-%** i
l_: f, "o'oror c410 4tr-------E[c4ts 17tr' c420 LJ__HSIJ
:ii t Hb ^f'""'* ! "."".* :;;! !
';l "lz*"
-
-[ ;;
"*i*'*i[Try[",".
""."]1,**^ "'""'"!
*u*u''o
ft_ _ _____+___ _ _'lfi g;to,..,. o"n,"J, f t",",,

A/C Gompressor Controls
FUS€ 55(GoNDEXSEA fAN)204
UNDER.HOOOFUSE/RELAYBOX
@r-T------.I UNDER-DASHI t FUSE 17 I FUSE/RELAY
| ) LBEL, t19T^..
I I r.uo ^ _ l--*I I lee Power I: {--t Diskibdion. :
L_I_fiT_.!I Y C439
".^,tr. |
"'oto u'
ll erx,.ver 36€ Powera ---i Distribution,page tO-0.
BLX/YEL I
" IFi:,u.^
See PowerDislribution,page 1G'l .
NCCOMPR€SSORCLUTCHREI.AYPtloro n-Y c905
-*----------f
"*l'--
,1,*,
"-l
"ft:,,
lll[ 133,]+'"1F**
;f
I. (on bracket)
- '98199 models with A/T - - - -
r -^ ^-^:'l TRANSMTSSTONCONTROL: rr!P!I.. : MoDULE| ^;;', | (rcM)L-Z-J iuoro sr24 Y C420
BLK/RED
POWERTRAINor ENGINECONTROLMODULE(PCM or ECM)PHOfO 77 (94 99)ly'C ON inDut{ACS}
L--,S"s-i(98- 99 s) Y (C4o8 '98-'99)
27 tl C409
",-r,"ao II aLuneo
ar< ree Fans
ilaurneo I
v
ToAonlacrng page.
62