10-6 HONDA CIVIC 1998 6.G Workshop Manual

Cooling
fllustrated Index ."..."... ""' 10-2
Radiator
Replacement .'....'...."..."
Engine Coolant Refilling and
Bleeding
Cap Testing
Testing
Thermostat
Replacement .............'....
Testing
10-6
10-7
10-9
10-9
10-10
10-10
Engine Goolant TemPerature
(ECT) Switch
Testing """ 10-11
Water PumP
fffustrated Index ......'... " 10-12
Inspection ' 10'14
Replacement ..'..'...."...'.'....'..'.....'.""" 10-14
!

Radiator
Replacement
Drain the engine coolant.
Remove the upper and lower radiator hoses, andATF cooler hoses.
Disconnect the fan motor connector.
Remove the radiator upper bracket, then pull up theraotator,
RADIA
ATF COOLERHOSES (A/T)Refer to sectionwhen installing.
UPPER RAOIATOR HOSE
6x1.0mm7.2 N.m (0.73 kgf.m.5.3 tbf.ft)
1.
2.
3.
5. Remove the fan shroud assemblies and other partsfrom the radiator.
Install the radiator in the reverse order of removal:
NOTE:
. Set the upper and lower cushions securely.. Fill the radiator with engine coolant and bleedthe air.
6x1.0mmCAPY|lT,PS:|" i.i ru- ii b rgr.-,AND CUSHION7.2 tbr.ftl
14
(
I
RESEBVOIR TANK
RADIATOR
LOWER CUSHION
RAOIATOR FAN/SHROUDASSEMBLY
DRAIN PLUGO-RINGReplace.
LOWER RAOIATOR HOSE
ATF COOLERPIPES {A/T)
,iiiiii
10-6

Contents
How to Use This Manual ICircuit Schematics (see Circuit Index)Fuse/Relaylnformation 6Ground-to-Componentslndex 6-6ComponentLocationPhotooraohs 201Conriector Views 202
Circuit Index
Accessory power socket 155Air conditionerAir delivery'96198 models 61'99-'00 models 61-2Blower controls'96198 models 60'99100 models 60-1Compressor controls 62Fans 63Anti-lock brake system (ABS) 44A/T gear position indicatorCVT 89All except CVT 89-1Automatic transmission controlsAll '96-'98 models except CVT and GX 39All '99100 models except CVT 39-8All GX models 39-8'96-'98 CVT 39-4'99100 cw 39-12Back-up lightsCoupe and Sedan 110Hatchback l'10-1Brake lightsAll Coupes and'96-'98 Sedans 110-15'99-'00 Sedans 110-16Hatchback 110-17Brake system indicator light'96198 models 7'1'99100 models 71-1Ceiling light 114-3Charging system 22Condenser fan 63Console lights 114Cruise control 34Dash lights 114Daytime running lights 110- 13Engine coolant temperature gauge 81-1Fog lights 110-10Front parking lights 110-2Fuel gauge 81-1Fuse/relay boxUnder-dash 6Under-hood 6-4Underhood ABS 6-3Gauges 81Ground distribution 14Ground-to-Componentslndex 6-6Hazard warning lightsAll except '99100 Sedans 110-6'99100 Sedans 110-8Headlights 110-12Headlight switch 100Heater - See Air ConditionerHorn'96197 models 40'98 model 40-1'99100 models 40-2lgnition key reminder 73lgnition systemAll '96198 models except Dl685 20All '99100 models except D16Y5 with Mn 2O-2All D1685 engines 20-2'99-'00 D 16Y5 with M/T 20
lndicators 80Integrated control unit 70lnterlock systemAll except'96J98 CVT 138'96198CVT 138-1License plate lightsAll Coupes and '96-'98 Sedans I l0-3'99100 Sedans 1 10-4Hatchback 110-5Low fuel indicator light 74Moonrool'96197 models |22'98-'00 models 122-1Odometer 81Oil pressure indicator light 80-3Power distributionBattery to ignition switch, fuses, and relaysFuses to relays and components 10-2Power door locksAll models without keyless entry 130'96-'98 models with keyless entry 130-2'99100 models with keyless entry 130-12Power mirrorsWithout detogger 141With defogger '141-2
Power windows 120Programmed fuel injection system (PGNr-Fl)All '96-98 models except D1685 23All '99-'00 models except D16Y5with M/T and D1685 24All D1685 engines 25'99100 D16Y5 with M/T 23Radiator fan 63Rear window defogger'96-,98 models 64'99100 models 64-1Seat belt reminder 73Security system'96.'98 USA HX, LX, EX 133'96-'98 Canada EX, Si 133'99TOO USA HX, LX, EX, DX.V Si 133-4'99100 Canada EX, Si 133-4All CX and DX models 133-8Speedometer 81Starting systemA./T (All except Dl685) 21A"/r (D16Bs) 21-1Manualtransmission 21-2Slereo sound system 150Supplemental rastraint system (SRS) 47Tachometer 81TailliqhtsAllboupes and'96-'98 Sedans 110-3'99100 Sedans 1 10-4Hatchback 110-5Trunk light 114-3Turn signal lightsAll except'99100 Sedans 110-6'99-'00 Sedans 1 10-8Vehicle speed sensor (VSS) 33Wiper/washerFront 91Rear 92
10

I
t
I
UNDER-HOODFUSE/RELAY BOXFUSE 52HO3 ,9IO? LTt3a
FUSE 53SATAAD10A
T102PHOTO 9l--
S€e PowerDistrib$ion,page 10-13.
WHT/REDT101PI1oIO 25
I
IJ
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FUSEofiro{{oa
ALTEBNATORPage 22
nI
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t
--1 UNDER.
sFUSE 55IIEATER MOTONatla
r^-::r BLowER| t,omacl I MoToR
i lF5:ftL--J or 50-1Ptaofo9
FUSE 55(co{DEtsER fAx}204
FUSE 57cooutag FAr204
r^-::I RADIATOR
l*"*!F*x.L--J paoro p
HOODFUSE/NELAYBOX
UNDER-DASHFUSE/RELAY BOXPHO|O 58
FUSE 19AACK UPLlalni75A
FUS€ 15ALIIFI.IATORsF sErson7.5A
\
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If
r--1 coN- r--11'/C COM-lContactt DENSER I Contactl PFESSOR
i i[f*, i iFLug"L--J Page 63 L--J Page 62
To Fus€ l, 2, and 6,see oaos lGl3. STEERINGLOCK
\
l,ut-a--- ---------J
gLXTYEI
FUSE 23(sRs)1(rA
Phofo 10
See PowerDistribdion,pagos 10€and 10-7.
FUSE 3tm w|PEain wAsr{ER}10A
PHOTO 10
See PowerDistribution,page 10-6.
FUSE 24(P,ry AEUn(s/n QELAY)
FUSE 13FU€L PUIIP(sns uRrT)15A
See PowerDisaibution,page 10-3.
FUSE 14{cFrrsE corrtRoL}{rcYLESS)
c913I
I
FUSE9 ,
FUSE 12IURI{UCHTS7,trA
) | , i ]si"ii:-' r|r::::---'--- J/--_-r
i::{;iil i i".ii.l ,#,;:|'-
i-:'ff1tu;.,,, i *=ft;;***
See Powsr Distribution,pages 10-2 and 10-3.
* = '99-'00 models with D16Y7/D16YB
Sea PowerDistribuiion,page 10-4.
:! iii'^': i i lB1%"f;
i L-=r -','lo' i !.---i..-^- ii orsrnrauron i i DtsrRtBUroR :' Page 20 Page 20 or 20'1 '
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I pHOfO 44 PHO|O 44
1Gl

Power Distributiofl (cont'd)
- From Fuses to Relays and Components
R8€3
5A
tl
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PGM.FIMAIN RELAYPag$ 23,24, ot 25PHOfO U
GRY (r8)or Cnl|
Gi Ul|T
llfllvrtl|€n)
FUSE ,'2
nnx ucms7.ta
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c801PHO|O 5Ac423 r'lPHOTO 58c501PHO|O @vtEw 55
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HAZARDWAFNING SWITCHPage 110-6 or 110-8vlEw 32
tt
tl
SRS UNITPags 47PUO|O 70vtt:w 51
r = MaleFemalelerminalsrevgrsed for'99-'00 models
onh no'l Wipsr GRN)
w8r Boar Wipif
'9&'00 Vlhbl.. at?wM frrdocarssy 66ourily eldcn
@
rtYELI *. 1'f
ft?'},' I
l,l m*a" ,,l*i*-
SECURITYSYSTEi' SECURIW SYSTEM
F"ontnlSSto"tott'on' S"ontnl5S]ottott'onr
Gnx I
WHT I
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ll
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COMBINATIONWIPER SWITCHPage 92
vlEw 05
10-2

Power Distribution
- From Fuses to Relays and Components (cont'd)
@
FUSE 24{PAr/ FELAY}{S/R RELAY)?
_____
s7
FUsE 25 IMETEF I-------r-----l rII\IA6JI r*r tttrecnlreo \-
| | lcoNrRoLUNlr \
I i iPaseTo \
I L__Jlj:p,l2uo II vtt|| bl
tf
lt.---l--- "---t I---r--'g- -------Jcs01 '16YC419
PHata'a ' a PHolo 6"vtEw 55 ' yEL a vtEw 49
:t
i;l-l-l. i
'ttlll
:rttl' L--J !-,J. SHIFT INTERLOCK .
: LocK coNTRoL ,
; SOLENOID UNIT' Page 138 Page 138 I' or 138-1 or 138-1I DHOTO 7- D4O|O 69I vtFW26
'AT ---------
.-- A/T --.
"..ij#j--
",li,,lii"lii-lii^,li".l-l
i------------::r::-:-::'::---::r:-:-:--T--------1
tl
tl
alt------- --------J
.I POWER
I wrNDow
1 RELAYj Page 120
uorlI
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c501 17C420 11
r::1
I uorr I
ll
MOONROOFOPEN RELAYPage 122ot 122 1
r=?1
I uorr I
ll
MOONROOFCLOSE RELAYPage 122ot 122-1
vtEw 13
(Not (NotUsed) Used)
ABSCruiseControlShift-upInorcalor 'r _
t
GAUGE ASSEMBLYPages 80, 80-1, 80'2,80-3, 81, 89, and 89-1
10-6

Cruise Control (conrd)
""t===j
= G401
Cruise controlactuator qontol
4BBT{
4
Se€ Ground Oistribution,page 1+4.
BRt{lv}tT
3
RED/BLU
10('96197 models 9)
'Cruige control'indlcator light codrol
wEw 56 Ss€ po$/er
-r+ Distribution,page 10-6.
CRUI6E I
c411PHOTO 60
GAUGEASSEMBLY
a
;lG;-
- - -
J,T"r"r,E;oAitr-usE z5 tusEi RELAY
IiF" 3g;g;; f,%,,-------' page.tG6. IL:4---:---JSee Dashand Console
;I
CONTROLrNrxcaTonUGHT
t-ffiII c0f 0r IIJ
I
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E3BL|(
Se€ Ground Distribution,pag61+7.
I
IGro{nd
('96198 models 8)o
6nNAVST
""r1
I
11
ENN/ELX
aFt/Bu(
2aLu
c202PHOfO 23VIEW 1
c203PHOTO 18
CRUISECONTROLACTUATOR
\1----*-E2Y
34-2
l' G202

A/T Controls ('98 GX and All '99-'00 Models except CW) (cont'd)
(
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POWERTRAIN
! t*,*" ffi,v i"lll i[?Hl,1P.
L _gA _ _ _ _ _g'L _ _ _ _ yy _ j ii?i%'"
*:ll--
",."
-1
"-TX
YEL
.[-Qhuit"I
miftu.*
.Li--,1
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iii
F=lm+';I ii,r-;.'_
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i 1",,'"'."."-*{
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UNDER-DASHFUSE/RELAYBOXiT-*-.'-;---l
LJ5Effi$iJ
lL[9*?:{. csoT
See PowerDistribution,page 10-6.
===a oerm|nars 17-20)
lJ'lll"-+
See Dash and Console Lights
l*'r
L__l+: G40t
See GroundDistribution,c€lge 14-7.
J:I
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c410
vlEW 35
c136
vtEw 20
r--,"";---- -----^-_=--r powERTRAtN
I s"""iy n'i'^- lcoNTRoL
i ;a; iiii"rto, i MoDULE (PcM)
L------- ----:Slgrol- -j ur-iic,
SeePGM-FI
39-10

Brake System Indicator Light
- '96-'98 Models
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, page 21 , 21-1, or 21-2.
a
FUS€ 31atAirEn8Gl{tt7.all
UNDER-DASHFUSE/RELAYBOXS€o Starling Sysl6m,pag6 21, 2l-1, or el-2,
FUSE 25
ffR s." Ponr"tDistribulion,page 10-6.
rry
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c501PHOTO 60vtEw 55
Ss€ Pow6rDlstribution,page 1G6.
---.I GAUGE$os IndicatorsI ASSEMBLY
i',i!i,I2'
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(slt--95.:l-_i
l8s: GRN/FEDr--- CW ----.
! 3 A cso3 :..^.,"..,"",^.;i "lir%?u' ' rRANsMls-sloN :! ll virw ro : CONTROL ;
99€ grqn'd | ! s I iiiiir^ , vtLw 6s
i o"^r"'o |
'i'jri
| "lw;t,b---4---- 31i3*:'. --l:ffiffi--i
i
---- -.L- J- -:g,tgLesr.l - ---- J--:- J--i : ! 3113'"0* | :-9tF":--T-tY-E;"41i'",
: : lsrss9l;-;?--q1Al" :L:W-J i
-----.1- J- -tlb$Lsr'{.i------ J--:- J--i : ! 31ffi "o* | i-trfr; - -
i
-TFr,lifu:i-|l - - .Tf"*;',r;,f'.F?f;l', i LTS-: :
i I ii
-""'"L--i:t--i3trFlr*n'"i
i mooule ficlrt) iI PHO|O 121 '
:! :i ffitre"ninas;: ll ti n"",".0 ll :---. [: i,119i9."' ''tl
: I :i asi: '.I i eri: -----':::---:
i",",1 iiiffi_il$.t'ii: i"-,s*
vlEw 54
-- vtEot 66 , Ffl anlxe rLUto
i*l
' ".","1;l,"p;a;
illJff*ttt**
u.-u.*il ii [JFHi:"'l*iTfit*,".
I Y i frpanxrxc :' r#"Al[';u3*'""i
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U il4.lFfffff'UJ:"" ii EJi,fii,i,"-" i r-j
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71
i Cior I tE^- phoroTs ,l - : pHoro 7s * C+6tF6r6sz r- usA. - - - - - . t - - - - - canada Froiit sz

Indicators (cont'd)
I
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YEL
YEL
FUSE 2sUETER7.54
.I UNDER-DASH
IFUSE/RELAY
! F,gI".,I
IJ
See PowerDistribution,page 10€.
@f,*+* @sv#ftn* G)ffig^,", t
I
S€e Pow€r Distribution,page 10-6.
?-(: i#i',du), c401 ^t,a PHOfO 1J6I pHOfO 57 v"r vlEW 58
'99- 00 vehicles pre-wired foraccessory security system
I :7 r----r -7 ucHr \
i llEl lH lt*l
'.,
| | i r{rN/,6n1I I I l\y
//l I t
t--J-------Lfe---t---- ---JB8Y BsY B3YB8Y BsY -___B_3_Y_
,"' sfilJi:, i "*,*" i ;
""'"'*
! - "*-i
F"EIi,6HiJttr" so. sa venricres pre_w reo ror
I | : ".u,"r" ! ii|ot$,, accessory securrtv svstem
+ + l-----il------"rl';r'- ------------i
i "Lu,"r" ! rc;1rg (oPrroN) """"";:"J; !H;fi;"";Jt"'
l_____ll_ ____-v'_E\s!- __________-_i
o A csoeI PsOrO 6t
,----l-'':y:-
i """'^ I ".u"." -4 ELueLx 9 3B"rU"?'JYSJtttt :
See Low See Brake 6 Zl C503Fuel lndicator System ]l Paoro o'Light Inbicator ,____l_'':Y":-, BLU BLK ll _... _.._ q SECURTW SYSTEM, I BLU'BLK .. BLU/8!K : nourpcrrip
Coupe and Sedan
'96197 models
"ar,"a^ fi
'tg::1",,,
BLU/BLK
Jf v/Er,! e'98-'00 models
TRUNK LATCHSWITCHClosed withtrunk open.
"arr"a*l
qF*til'-""
* = Male-Femaleterminals reversedfor'99-'00 models
"'"'"i{ "^'
4r*liT;--'""""'-it:':
Bi?fi,,ri"li
".* | Page 14"12'
+ Fla'|",.
""'"'-lt
aLU/aLK see
i-< I'dli
-*TT
"'*f see cround
3rr< Sl"JliT:?s
".* I o*.,
0.1411'
* '&3i311'" ,:*'* ""dan €xcep, Gx)
80-2