C421 HONDA CIVIC 2000 6.G Workshop Manual

t
'96 - 97 models:
MAIN WIREHARNESS
c412 C411 c410c421
UNDER.DASHFUSE,/RELAY BOX
o -n---nnn- -nr
n-n--n---n-nn-!!!!!!uu!u!u+u
23-33

Connector ldentification and Wire Harness Routing
Connoctor or
Tgrminal
Number of
CavitiesLocationConneqts toNot€s
c401
c402
c403
c404
c405
c406
c407
c407
c408
c409
c410
c411
c4't2
c413
c414
c415
c416
c417
c418
c419
c420
c421
c422
c423
c424
c425
c426
c427
c428
c429
c430
c431
c432
c433
c434
c435
c437
c438
't4
l4
8,
1
10
12
24
7
6
18
20
18
7
6
8
7
8
14
2
Above under-dash fuse/relay box
Under left side of dash
Under left side of dash
Under left side of dash
Under left side of dash
Under left side of dash
Under left side of dash
Under left side of dash
Under left side of dash
Behind under-dash fuss/relay box
Under left side of dash
Under left side of dash
Above under-dash fuse/relay box
Under left side of dash
Under-dash relay box
Above under-dash fuse/relay box
Under left side of dash
Under left side of dash
Under left side of dash
Eehind under-dash fuse/relay box
Behind under-dash fuse/relay box
Behind under-dash fuse/relay box
Behind under-dash fuse/rslay box
Behind under-dash fuse/relay box
Under-dash relay box
Under left side of dash
In the steering column cover
In the steering column cover
In the steering column cover
In the steering column cover
Under left side of dash
Under left side of dash
Under middle of dash
Under middle of dash
Under middle of dash
Under middle of dash
Under left side of dash
Under left side of dash
Floor wire harness (C555)
Floor wire harness (C554)
Security system
Cruise control unit
Daytime running lights control unit
Daytime running lights control unit
Roof wiro harness (C7011
Moonroof wire harness (C711)
Front fog light connector
Integrated control unit
Dashboard wire harness (C504)
Dashboard wire harness (C502)
SRS main harness (C802)
Data link connector
Starter cut relay
lgnition switch
Security system
Clutch switch
Clutch inlerlock switch
Under-dash fuse/relay box (C919)
Under-dash fuse/relay box (C920)
Under-dash fuse/relay box (C922)
Under-dash fuse/relay box (C914)
Under-dash fuse/relay box (C915)
Horn relay
Brake switch
Windshield wiper/washer switch
Rear window wiper/washer switch
Turn signal switch
Combination light/,turn signal switch
Cable reel
lnterlock control unit
Secondary heated orygen sensor sub-
harness (C781)
Ay'T gear position switch
Shift lock solenoid
Park pin switch and Aff gear position
console light
Transmission control module (TCMI
Transmission control module (TCM)
ABS
Optional
Canada
Canada
Optional
M
MIT
Optionsl
MlT
Alr
NT
NT
CVT
CVT
G401Left kick panelBody ground, via main wire harness
Main Wire Harn€ss {Left side ot dash and floor branchl: '98 model
*2: Without moonroof*4:With moonroof*5: M/T (with cruise control or for D16Y5 engine)*6: With secondary heated oxygen sensor (H02S)
23-34

Fuse/Relay Information
- Under-dash Fuse/Relay Box
Front View
c712(To moonroof wire harness)
. : Canadai : Not UsedO : C926 loprion (+B)l
@ : C927 loption (dash lights)]
O : C928 [Option (ACC]I
@ : C929 loption (lc2)l
Rear View
css2
c421(To main wire harness)
c801CI-o SRS main harness)
c501(To dashboard wire harness)
^ : Not used ('96-'97 models)
c913(To ignition switch)
INTEGRATEDCONTROL UNITCONNECTOR A
c419Oo main wire harness)
REAR WINDOWDEFOGGER RELAY
TURN SIGNAUHAZARD RELAY
c423(To main wire harness)
co
c422(To main wire harness)
POWERwtNDowRELAY
c551flo lloor wire harness)c439 f96.'97 MODELSand ALL GX MOOELS)(To main wire harness)
T1 T-t T"l T"t r-r r-'l T1 F n r-l r-l r'123 24 25 26 27 28 29 30 31 32 33I-J I.J I.J IJ IJ IJ LJ IJ IJ I.J I.J I-I
r"1 r-t r-t T-l r"l r-r Fl r:1 n rJ n -12 13 14 t5 16 17 t8 19 2A 2t 22LI I.J L! LI tJ LJ (J LI IJ IJ T-I I.J
n r:l rj.l |-l T"l Tl r:t n r-l |;.l r-r r-l1 2 3 4 5 6 7 I 9 10 11LI LI IJ LJ LJ I,J T-I I.J TJ IJ I.-I tJ
c420(To main wire harness)
6
(To floor wire harness)

Power Distribution
- From Fuses to Relays and Components (contd)
FUSE 15AIITIFIIATORsP iE soa754
J-l
c4t912 I C421PHO|O 63virtu is-- : : I lj;:o,19^63
l,lll,nl
tl
i ! [8ig*'"*: : LOAD, I DETECTOR, I GLD} UI{17' | (ELDI u
: i Page 22
I
I
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VEW 5A
{)
I
L-------J
TRANSMISSIONCONTROLMODULE [rCM]Page 39-4
vtEw 69
815
tl
tl
GAUGEASSEMBLYPage 22-1
, a PHO|O S
, UNDER-HOOD' FUSE/RELAY BOXI PHO|O 7
- '96-'98 CVT
10-4

Power Distribution
- From Fuses to Relays and Components (cont'd)
I
I
I
FUSE 16NN OEF NELAY7,54
L-----
.t0
ELIqBLU
. - - With Mirror Defoggers - -
c421PHOfO 63vlEw 5a
'83
I
:ll
. ABS: coNTRoL; UNITI Page 44-2
' vtEw 63
'-- Wrth ABS --
c501PHO|O 60vlEw 55
t2
' au(aLu
'96198
models
'99-'00
modslS
vtEw 46
1A
ll
tl
REARwlNDowDEFOGGERsw|lcHPage 64
.l i,*,.",onn".?,
i r----;-__-t----i I
tlL---------JPOWERMIRROR SWITCHPage 141 or 141-2vtEw 33
10-8
\
3\
I
I
\
\
I
I---+---,c419 ;PHOTO 63
110-13
;

A/T Controls ('99-'00 CVT)
l
i'TG;.----1313'5'.
im-i[[r:
| | Pase 1G5 lLJ-------J*"''n* tr' F&i'?;,,,,n^,oF---+**lI
UNDER-HOODFUSE/RELAYBOX
S€9 PowerOistribution,page 1G1 1.
S€e Pow€tOistribulion,page 1G13.
13 Y C421aza4,PHOTO 63vlEw 5a
aLu
S€e PowerDislribution,pag€ t$s,
10 v cl31PHOTO A5vtEw 59
!'-*l---------A-*i-
---6''A)--
I Bstt€ry input Brake switch pow€r sourc€ |
.*l "i:1,""""'[ TI
;l
IJT."'(!) rlr iil
a
I .^-,1- ' inpr.,t for sotenoid tr U3|'.AI d;.i- vshicle Drive puttev Driven Dultev S€condaw vatue \
I connector slc€€d speed senior speed iens6r gearshaft -speed tI inpg! inp{ input input s€nsor input ,
LJTS---Sl----g?:t--__..it:t'__-__5'r___ _______J'
!:.:s iil Lti-(+'-l
,*[,*"-
*"=titt-""'[T*" [ 3
-[d
&Ier,"","CONNECTOR I''IF'I DFIVE F'FI DRIVEN F''iY"'i*,*
H#**HFIl*,:"-HFtrFiflf |
"-{jf*,
I Distribution, l-Jr
I oao"te's 'f 'f, 'f, ! !iireso:",
r D12 A D16 A 07 |' ll anN,r
J ig"*p
---s:m;---st'"",1[A{ffiil..
@
i#hff' s:ir"{ fi{t!fi?}.u8il;,;-=:.='= G402PHoro 125 L_______ _______jr't*ro + 9L0-]
39-12
3 ctor

Anti-Lock Brake System (ABS) (cont'd)
(
FUSE 16iA DEFlEtsY See Power:ar Distribution,page 10-8.
c421 10
vlEW 50
'96- 97 Dl
mooels
.I UNDER-
page 1G6. I pHoro 5d
c501
vlEW 55
See Power Distribution,page 1S6.
AAS INDICATORLIG}IT
!'-r;us?;---l H5BE"
ilrryilrfi#ftilHriL-g------JL-g------J'tr F,1%'wHr/GRN I v/El.V 2Z
I t"r,o"" se€ Power
YELD5GAUGEASSEMBLY
usA
CarsdaI
(
D3
', ',i:,tr?""" ! P"g" t+-z".r',
*
! see cround Distributiofl,
".., I i"., I ".-l I;nl
iffit L------J
' n : G401
mI iot
T1*l ^*ry*l:-------l 8Bi"o.' used) ; 4ts5lnolcalor i UH|Tr----j. light conlrol r. iicib ett,"LTfflo",Input
1lo2)lgnition 2
Speed sensor anputsvlEw 63
(
{FLo) {FL1) (FBo) {FF1) (Rr"o) Sg____gT]-__g,l-j
Blo lf B23Y B8Y B21lf B6Y BlsY B4X B17f
i i I i o""l .,",-ul u.,"..1 o"",'.. I
rrttl
| | | I ,l ,l .I of"on"
ll ll I ti
't---'+----"[ --f !'?'%,'
""n*",lo"no""l *"1 *"*-l *"1 .'"."1 *,*.[ "**.I
I r L___t"" " t__t"." 1___!".""
"r.f_ "4::3' ;FJ,;::; ":f3:::1'' "lf-*i":''
t' ,.,Jtri"?r. ll;l]flffi lFli.ft. lU]flqtfl
l l"#tgl I lt5T8?l I lt"F"Ti?l I lt;Tt?f
O--t Distribution,
'n"r,o^n
I
Page 10-13'
.trr -N- .I BRAKE
| | swrrcH
igr:*
o"ntr"r
!
a'KBLU
It
""*[:-l
ftff^"n"o''''ot
I
", I
m;r""#,usi:",
".1
44-2

100-2
Headlight Switch (cont'd)
-.I UNDER.DASHRom UderdashFur€/Bslay 8ox orprevrous prge.
- - -ri-Y c421 13 Y C5s1'- ll PHoro 63 ll esoro6J
neoialx I u/EW 50 BEDelfi i v'Edu7
'f ---- Hatchback l, Coupe and Sedan
c2o1 : I !'--'l Itlt5i:^- :i"'oYizt i i Iri"Je'tl
i l3pfif.l-"o."-i ".o,".*l =,a,e.Fema,e, ll L--J pe6161ja , ll terminals reversed
: tr_ _ _ _ _ _ _ _ _ _Y::_ _ _ _ _:
c202PNO|O 23ytEw 1
LEFTBRAKELIGHT/TAILLIGHTPage 110-5
9('99100 models 18)
FED/BLK
RIGHTTAILLIGHTPage 110-5
c562 .
vtEw42
c605
wEw a
RIGHTBRAKELIGHT/TAILLIGHTPage 110-5
LEFTLICENSEPLATELIGHTPage ! 10-5
for '99-'00 models
FUSE/RELAYBOX
1(cruise 3)c604 5
FEO/BLK
"ao,"a* |
I
/---lI \---t
LEFTTAILLIGHTPage 110-5
\;,,
LEFT FRONTPARKING/TURNSIGNALLIGHTPage 110-2
RIGHTLICENSEPLATELIGHTPage 110-5
,rUrOO ro.",. ?, I
r-\\_,
".,"-[TI
RIGHT FRONTPARKING/TURN SIGNALLIGHTPage 1l0-2

\
*=l\4ale-Female
terminals reversedfor'99-'00 models
TumSignalSwitch
From Splice orfacing page.
v
icnrineo I csor
" l"P'li'?c--
l
'f "*f B""i.Bfii'Jr'l ".^f
I see Grouno ar-< pay6!,,-,v >-ra
'|
Tt""""i*l}=J'..""."'.*i{{?;:*
k::
*-i;,
f#::*=i
COMBINATIONLIGHTswtTcH
c423
vtEw 3
From Splice onfacing page.
v
ilo"nntt | "uo,
n I',tr[T?'*
UNDER.DASH
I
I
/7-T LEFr FRoNr /A LEFr REAR ./A nrcxr neanI p q I PARKING/TURN I le I TURNSIGNAL I b ITURNSIGNAL
\:9./ srcNAL LrcHr \!r/ uorr r ,/ LrcHr
Y2See Ground erx IDistnbution, Ipages 14-10 >-rOand 14-12. I"'-
I 3:"":ix'5: "'iI
."oo
and 1+12 "I
I ."n.
aLK
I FUSE/RELAY
iF,?|",,
c421
vtEw50\-----'if,
u';%- l-t?'o' 10
o""n.. I
u't* o' cFN,yEL
,ol
('ee- oo moders except Cliti I{96j98 Sedans excepl GX 16} A C562. l---- -'f,
t:;?,''
o"n,^r.. I .BN'YEL
c6o4 , 1..0.'iftr",'::"""^,,, i "^1,T?l:i""."".
Onrl,rer- |
l1
L.tI
ru Y Lx%", s""1, 15
o"n, I
u't" uo
GRNTRED*"1
"
l riqrk" 1,so-,sa seoans111
ru
| aEo/BLK .""
o"n'"]
,lrtrufli'""""
c201
vtEw 30
FED/BLXSeeParkingLights
!t c2o2 4 c6ol- PHOTO 19 - PHA|A 1A2PHOIO 173 (Halchback)
110-7

\
COMBINATIONLIGHTswrTcH
ytEW 64
TumSignalSwltctl
A2
From Splice onfacing page.
v
i
cazs o"nttt I csor';l:J?'" " l'El?,*{
GRN/FED
606UNDER-DASH
IIFUSE/RELAYi BoxI
I
ffi **;r',''-"'
"
"'J- *.. 1
t*?'1,"
rzl I
-or{n9"',, '*t?%,,
;v1Fw4' il
!/fwJo
- t -- | REo alK seecFNYEL
I
GFNYEL
I l_< i,tlll,
I tt2x 'r-lf
7 nrcxr nean /-T RrcHr FRoNrI b ITURNSIGNAL I|o q I PARKINGiTURN
\U/ LrcHr \:9,/ srcNAL LrcHr
'r 'r
tt
""1 I g:"',gn*l*
I
"'*
I Pase 144
I tI-l
V?'t
+ 9ao-1
L-J---11J.gs-l---
!- c2o2 ! c6o1- e4ofo ,9 - Phata t t3PHA|A 142 (GX)
'I tI
seecround
I 8:":'Bn# I 3:lj:i"lll:
""
|
''T" *1..--I
V-' "'*f-
16 Y C421 (Not Used) 15
"*:
[
;'m::' .FN'BED
t l g,a%,, ro*'lr
i
""'o
GFNTRED
c"" I REo,BLK see"'o
I F< lffli:'
,tr_{ 2
/-T LEFr FRoNr fi lerrneaaI Io €l I PARKING/TURN I 15 | TURN SIGNAL\l=E: / srcNALLrcHr \U,/ LrcHr
I
110-9