sensor ACURA INTEGRA 1998 Service Repair Manual

Ground-to-Components I ndex
NOTE: All ground wires are BLK unless otherwise noted.
GroundPageComponents or Circuit Grounded
Battery (BLIVYEL)
--t'I Valve cover (BRN)
G101t.+
and
14-1
Daia link connector (BRN/BLK), Engine or powertrain controt module (pct and pG2
are BLK; LG1 and LG2 are BRN/BLR, IAB controt solenoid valve (GS-B),
lmmobilizer receiver unit ('00 Model) (BRN/BLR, PGM-Ft main retay, Radiator fan
switch, Transmission control module ('98.99 Models with MD (2 BRN/BLK wires),
Vehicle speed sensor, WEC pressure switch (GS-R, Type-R)
Shielding between the ECM or PCM and these components (all have BRAIDED wires):
CKF sensor, Primary and secondary heated oxygen sensors, Knock sensor (GS-R,
Type-R), TDC/CKP/CYP sensor
Shielding between the TCM ('98-'99 Models) or PCM ('00 Model) and these components(all have BRAIDED wires): Countershaft speed sensor, Mainshaft speed sensor
G1s1 ii Condenser fan motor
Brake fluid level switch, Cruise control actuator, Left front parking/turn signal light, Left
front side marker light, Left headlight, Power steering pressure switch (USA), Rear
window washer motor (Hatchback), Windshield washer motor, Windshield wiper motor
14-3
Blower motor relay, ELD unit, Badiator fan motor, Right front parking/turn signal light,
Right front side marker light, Right headlight.....plus everything grounded through G401
ABS fail-safe relay, ABS pump motor
G40114-4
ano
l4-c
A,/T gear position switch, Cigarette lighter, Clutch switch (M,/T), Ctock, Ctutch interlock
switch (MfD, Combination wiper switch (2 wires), Cruise control main switch, Cruise
control unit, Dash lights brightness controller, Data link connector, Daytime running
lights control unit (Canada), Front passenger's door key cylinder switch, Frontpassenger's door lock switch, Gauge assembly (2 wires), Glove box light, Heater
control panel, Heater tan switch, lgnition key switch, Integrated control unit, Interlock
control unit (AfI), Maintenance reminder unit, Mode control motor, Moonroof relay,
Moonroof switch, Parking pin switch (AfD, Power window relay, Rear window defogger
switch, Service check connector, Turn signal/hazard relay.....plus everything grounded
throuoh G201
Driver's door key cylinder switch, Driver's door lock actuator, Drivels door lock switch,Driver's seat belt switch, Fuel pump (BLI(/WHT), Fuel tank unit (BLI(/WHT), power doorlock control unit, Power mirror switch, Power window master switch (2 wires)
Hatch key cylinder switch, Hatch latch switch, Hatch opener actuator, Hatch ooener
switch, Left and right back-up lights, Left and right brake light/taillights, Lett and right
rear parking lights, Left and right rear turn signal lights, License plate lights, power
antenna motor, Trailer lighting connector..... plus everything grounded through G751
6-6
'14-8G503
(Sedan)
High mount brake light, Left and right back-up lights, Lett and right inner brake tighv
taillights, Left and right outer brake light/taittights, Left and right rear parking tights, Leftand right rear turn signal lights, License plate lights, Rear window detogger, Trailer
lighting connector, Trunk latch switch

I
I
\
i
FUSE 14(cFUlsEcorrEoLl
FUSE 15alTEaxAron8P SEt{904?.54
UNDER.DASHFUSE/RELAYBOX
\
I
I
8
BLl(YEI
c504
C551 (Not 18
floro used)c551 12PHOfO 58
c560
GAUGEASSEMBLYPages 22-1and 80-2
c440
:l
c410
c440 '12
PHO|O 625A
BLK/WH'
c417 I l' C555
tl
llL--J L--JCRUISE CRUISECONTROL CONTROLUNIT MAINPage 34 SWITCHPHaro s5 Page 34
i#r'
14
tl
BLK I 8lK lt Y pHoto5l ,YEL I YEL I -..-",-. I
:;;:t:i;r
r[-;:i-j:t ;i
".-.,..f,
t'to"
i I ii i'L'lt
BLK/^YEL
12 g c301
c127
tl
ALTERNATORPage 22
,I
SECONDARYHEATED OXYGENSENSOR (H02S)Page 23 5 ('97-98)or 24-5 ('00)
I er-xi, YEL
9 4 C421
4 g c510
":'.!.^--^ I : I :"1'I^-^- i""! ",",. ;i
"".%',3,. ! : I :'f,,"#5."1 !;I; ;i
i.,II i :l',JI .1',IT :i'Ll ! :1,T.1 r"'Ll i V | :i
c7s3 ,l"rro i ,4"'.0 ' ,,1[s112 izsrz [ ^---:lf :f^--:]r A czgs zlczzq i zAcrgq ' 2Ac1't2 ' 25 X- -':-A c420:' | 1Ac2r8
[l i--l ii--l ii--l ii-----l ii!i'--l| | r | :t | ' I I :t ! ':l!
| | | | rl l:l | :l l:;alL--i L--.r I L--j , !--r : L-----r ,i i r-=l ,EVAPORATIVE EVAPORATIVE ' IHTAXC : VEHICLE : TRANSMISSION :; ; EIEqTRICAL
EMISSION EMISSION , AtR ; SPEED ' CONTROL :' ! !o49 -: BypASS , SENSOR ' MODULE fiCM):'! !%9
ie.vfD- F!Afl,-. ; iiiirss : 9F,lIioR ' l|oDtllEficM) ;:l LTl9.r.?f
I
bvpads aoNThoL i rAat- ' (vss) ' Pase 3s 1 ': i (ELD)-uNlr
soLENolD caNlsTER ; bor.!n.o1 ' Page 33 ', euo,o,, :: I l.?^s_"^l?VALVE VENTSHUT , SOLENOTD , pHora 26 , :,4 Ptloro 23 |Paoe 23-5 VALVE ' VALVE ;' L--- - J(96-99) Page23-5 i paqe 24-5 | : 'IUNDER-HOODor24-5(00) f98- 99) , pdato t32 : : ':FUSE/RELAYorz+-3(uul (Yo-w/ | pHaro 132 :, FusPHoro 136 or 24 5 ('00) : , BOXu,.eJ\vv/PHOfO 139 | ,t PHOTO21
l--33. -j :-- ee-ss lvodels --:l---.usA ---
Model
:lrt I
; POWER-, TRAIN' CONTROL' MODULE
: (PCM), Page 39-5
, '00
, Model'- with -.,lo
10-3

TRANSMISSION
I
I
T4
PGM-FIMAIN RELAYPage 23 ('98-'99)or 24 ( 00)
tl
tlL-J
* : '98-'99 Models
i---------\L---------J(- 10) r-- -;-;.11, (c408.)(- 23)10
'98- 99.. GS.R' l/odel
inrrarerrn i
I
I
.-- GS-R. TYPE.R
VEHICLESPEEDSENSORRADIATOBFAN SWITCH
and 63 2
tl
tlL-Jcl08
(vss)Page
PHATO 6IIITJ
I
I
33
I
I
c3o1 ;
10
Ground Distribution
NOTE: Wires shown without color codes are black.
VALVECOVER
I
I
- G1, G2, G3, and G101
I
I
T3
BATTERYPage 10
r-'r
tl
ll'n'
I
I
I
I
I*-*rl
I
I
I
I
! F,to,o^_l1io,o,o *
14

* = '98-'99 L4odelsPOWERTRAIN or ENGINECONTROL MOOULE(PCM or ECM)Paqes 23-2 and 23'3 ('98-'99)- or 24-2 and 24-3 ('00)
PHOTO // f98 99 Models)
'98' 99 l\4odels
TRANSMISSIONCONTROLMODULE (TCM)Page 39-1PBA|O 51
--".-- A/T.--,
PHA|A 144 100 Made )
rl\lI&------ ---------J
26' I c4s7
L----J
c102PHO|O20
MAINSHAFTanoCOUNTER.SHAFTSPEEDSENSORSHIELDPage 39-1('98-'gs) or39-s [oo)
COUNTER-SHAFTSPEEDSENSORSHIELDPage 39-1('98-'sg) or3e-5 f00)
BBN/BLK
PRIMARY SECONDARYHEATEO HEATEOOXYGEN OXYGENSENSOR SENSOR(HO2S) (HO2S)SHIELD SHIELDPage 23-4 Page 23-5('98-'99) or ('98-'99) or24-4 ('00) 24-5 f00)
AFN/BLK
PBIMARY 'l
HEATEDOXYGENSENSOR TDC/(HO2S) CKP/SHIELD CYPPaqe 23-4 SENSOR('96- 99) or SHIELD24 4 ('00) Page 20
BRN/BLK
CRANK- ne_FSHAFT . - ii'pilp -i
SPEEDFLUCTUA-
CKP/CYPSENSORSHIELOPage 20
l1
ll
k::!
T|ON 'KNOCK
(cKF} : SENSORSENSoR . (KS)SHTELD , SHIELDpaoe 23-2 ' Page 23'6(96- 99) or ' (98-99) or
24 2 (OOt : 24-6 ('00)
r::)f::l i(::)
l::i iL:l
r::)
tt
tl
(- ,:o
BRATDED IWIFE I
lltl
k--'a
illBFAIDEOWIBEBFAIDEDWIRE
AFCRANKSHAFTSPEEDFLUCTUATION(cKF) SENSORSHIELDPage 23-2 (98-99)ot 24-2 (00)
. KNOCK, SENSOR,(Ks),SHIELD
| 1se:'ss; or, 24,6 ('00)
ir::)
MAINSHAFTSPEEDSENSORSHIELDPage 39-1('s8-'99)or3e-s ('00)c:) r::)
I
I
k:::
ll
tl
.k
(::)
ll
tl
kIt::
I
I
a
(::)
tl
ll
(::::BRAIOEOBFN/BLKBNAIDEO
:l I;l I
BNAIDED
:kll::
' BFAIDEO
i: (::)
::l I,' I I
iiffil
.---a--,--o
I""","j-.!,
"oo.
DATA LINKcoNNECTOR (DLCIPage 23-7 ('S8-'99)or 24-7 ('00)
(DLC)
BFAIDEDWIFE
14-1

lgnition System
INorE: For service check connector details, see page 23-6 ('98-99 Models) or 2zl-6 ('00 Model).
POWERTRAINI a oielcirs '-"
rDc cKp cyp i coNTRoLsensor sensor sensor ! MODULEinout inout intu,t | /PCM.ri! input input inDut | (pCM or ECM)I g"oc et !cj<P n lciP P) lproro,t,gesgiL--:----_"4_____:_ __ j pdora t4o toa. ' = 98- 99 l\.4ooels
:!--_j I
u"n,"." ! ----t
:jl--Jt---r-4,*"
"""*-Lf;
'':[:-==1-I=-==g=,-
u-{:::::L:::::+=i--- ""^".:-I'
.rr. s::3-.-:
;f:===-l_=* -=-f,*,,'fT
L-f--====E=--==i.l ""'"'"*'"'
=="=-'!---.!
I
-A 2r .|--___-OFNi 8LU II LT 8LU orI BLU/GRN
----o A c';;? F;o''","i:- F,to,l.,
Plug Wires
- - - -"-'lg- - - - - -^11 ct og
Spark Plugs
' Y-----rV-
- - - - ;V t#'",.
WHT.BLU ll BLU,"YEL I wHT
,. ?1, L--rrl:-,!-__,. ?Ll.oo,
cr3 c12 - - -.,,--a POWERTRATN(Dc Mr rckp M) icrb 6 | or ENGINEuensor Sensor Sensor i coNTRoLground ground grouno !laODuLi
20

PGM-FI ('98-'99 Models) (conrd)
lt
TDC CKP CYP CKF TSenSOr SenSOr SenSOr SenSOr \inpul input input input cround I(t?:") (c[!P) ("I:n (cKF P) ttg i
a----_-----'
OFN/BIU T ..I,i#IOBN
4-fi_+:--ffi;;**
f------{:::tl BFA'bE'w'RF
[--{-'-'-<
'l$i"lr'
,f:-i1f;"-l
i
t ? "";t3,r
Ses Ground
BFN/BLK
! -TDC/ | ASSEMBLY Ff1 cnaHrsxlrrDISTRIBUTOR BLU-I TDC/ I ASSEMBLY I'
^-" 195!/ lPHofol6 I
"Jt
t:f--tir*,,
*",":1"""'"'"='F--+--,{r*,,,o,,'^,,..,r,fi81q1,o.,
".,,..,
iil
23-2

---1 ENGINE, i -l I CONTBOL, ,.^^ ':rr^^','EIAB ; i MODULE tsnition r\,tAP : [?uor : I itei-ttti o-utprrt Ref€renc€ sensor Sensor ; solenoid , I puoro zz
I Ground Ground Ground signal voltage input ground ' valve control ' Ij ,.^";, ',&, ,PGIr {rcM' {vBc1' iMAPD (PB' ,B?;) | u**tuo., lJ_ _ - - _.
1-,-f =--:--------;f-s1oT---l-r[-;;"f --l
I u",n'* |
'l
;l-;;l -;[-;J"." i;["."
! i#qill- | I | ,L-_+
::t,*,"
i
",f
,*,,.
-!-i-.LH
| ;L:,[ -{.* i."l
**I "..1 | lr**
ll
i I*.1
ltl+]il
.tr*,, .ir*., ,,ir*,.
*"R?!K"":"(h'J'5
i 'fB;2,,
-l
.f ,*,.
;i{,_
""'''''#rr";{
i""11",..
I t'i{t: I
r;=t=;i
im'WS*r'
lj:tl Lds:i il***
[ |
t!'J.$""'Jo'
il
*l -.1
i !3P*q;r"r
L )
'""!-it
'*\,FF$!?'trr"1
,l*i: PHora2a
| :
":::"
.
(cont'd)
23-3

PGM-Fl ('98-'99 Models) (cont'd)
"'Fml=lltlj
.l
ff*
lt
I Fueitank TP , ti pressure R€furence sensor ECT lAf Prirnarv \
: sen:_oJ.illpln vol_p93- inpg! sensor input s€nso nput Ho_2s-iqput I
! ("Hto (u3fo4 g,E G"? ('31 €r5of) tL - - -,g - - - - - - - - ",- - 5i - - - - -;,- - - - - - i.: - - - -:Y: - - - - - -,t'u
f
--------uT-_:
[------.T------q--
-7f ceto
.ro""l .r..".r1ffi1 ".0"", I i I
| !'{ ^"...i,
! |
*I*TF[ i[-t-t'[ i I [l]"".,...*,",,
t:'** T
ii*hfi i ".""..N ;il:=
;t
ittt"lj
*"*'l
?l;*-'
..]L-----*-----'{ sr,,,,, .tr*f
-NN
1",,,
*".;.N.",.. "-']1",..
::[. ".t"
THROTTLE I'A-I ENGINE |7-I INTAKE I-FTI PRIMARYPOSITION I I I COOLANT I I IAIR I ',/ I I HEATED
$J,l,o*ff ylEUEE"l4l Fl3f35H';ii"elir
|
'l
l!t""l"" |
'f I am t,+ | I (Ho2s)
:'il ; ;'
Ul;"4,'i," Ll*.4iil"1'H",,.""
;[:.[--.
*il;*f{ I
----J"" -i-'V'
l'j;iil'.
L1",,,
*"":'1,",.. *""','tr",..
:*l;*r-"
"Jlll | :- lUi(son I yliiuH""' I ylLiWE* 13/ F lsei;b'i';3i31i,
l'l 1s"""1"" I'l lglp""" lf I lll"93:l
;T?;;;- (Fs rs Gs)SENSOB I I ISENSPHOTO 17 a | | PHOTO
g;10,,. I lJJtrtr" lJ l:,i."iY''-r'Ljf"11,
2 y Ct06 j y C120 jtr 4I ptrora 44"Jll ! cnlr arx I cnn er-x ! cnrreu ! cFN BLK
PHOTO 56tlcFN BrK
i BLK wHr
' l----------------,GRN'BLU I
c103
23-4

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
""^,"*
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

UNDER-HOODFUSE/RELAYBOX
, F------ | Ventcte Aa
i i ^fffl" ^ff" oPSo F;3 "oF8.. ,E?, i ! : 33::$ 3ligf*, 3i:,""1*n'ni | -r# Shitt Baromettic +svolt I ii i^m^
i!'-i
i | -# shitt Baromettic +svolt I ll : i,l':Y' "-''-.
, a UpshrfvDownshitt acknowledge pressur€ reterence I I, : comparal've inpul sensor ; N: ! signaloutput input ! I'L------ - --95-. s"" e.,r
i-l;.--l
L_H:_:_i
*"'"if
T,ff;*,,
f, o"e" toz
*"''"'J.!,
"oou
"
X-,rf*-- :
;"^'.1
":':._.
!
uu.*^
[
uuusr
i Eli*, Pff i flft**_,
"-Li -.=-lr.i
i*[
"""1
i
".."."[
"s,ilfdi!
r: F,X91 ,. r: 9,t"91 ,, i ! | : ,, !
tiP8h5
8^c4o9 , 16 rac410 274--!----i-./r c4og P4oro 77
/' r'r#",.0, 1-1 Sal9lsgic I rPlSr ,,ffi'", : ,l;3' I
i oit" ortiut | 15f;#.1* ' ELD unit inpLrt Fan : A/c comrossof Icutrol ; clutch r6lay it,-----'l Upshift/Downshift Barometrb .-------.|l. comparalive pressure "- ------: Altsmator I Altemator ,l
:\Aff Ft signal input Shfi sensor +svolt P Uneukal ; VSS Iy'C on FR ' output ,l
' I data lin€ acknowledge outpul ref€rence input , input input signal ' signal : I
i 7 ,^i;gn (ffi,er ,AFsAr' {.As' {BAo2oun ,El ,ot"p' i %?3 'fut, ,tTf : ,tL" i !'4------ r-----r- --_?_::=-.^:r-
;[-1I{T-=TL: ilT:TW-
DATA LINK CONNECTOR (DLC}
-- Shift Baromettic +5 VoltUpshifvDownshitt acknowledgepressuro reteren(
ocM)
, (vss)
- -t-*-"stiG.-"- -,,
".", ? :< a;;;'"
CONTROL MODULE -' -;:'; II
3 V c43o--_ A/r _" LTGRN/I PBoro 63
I ar-x ll, 3l cs58' f -.f .l GAUGE
: I Pail7 lSJl^EllBLY
: llSl'il?l--: L=":J
23-7