2000 HONDA CIVIC Power distribution

l'f .
Electrical
Special Toofs .,....................,23-2
Troubleshooting
Tips and Precautions ..............,.................... . 23-3
Five-step Troubleshooting .............. ......... . . 23-5
wire color codes ..........,23-5
Schematic Symbols ........,................... . . .. .... 23-6
Relay and Control Unit Locations
Engine Compartment ...,..................... ... .. . 23'7
Dashboard ......................23-8
Dashboard/Door ......... 23-12*Airbags ................. ....... Section 24
Air Conditioning ......... Section 21
Aftelnator ..........."""" """ 23-112
Anti-lock Brake System {ABS) Section 19*A/T Gear Position Indicator .....................,. .... ... 23-149
Automatic Transmission Svstem .... . ....... Section 14
Batterv ......... . . . ... ...... .......23-91
Blower controls .. . ... Section 2l
Charging System ....'...........23'112
Connector ldentilication and Wire Harness
Routing .................. ......23'13
Cruise Control ............,........23-240
Dash Lights Brightness Controller ............. ....... 23-180
Fan controfs "" 23'126
Fuel PumD ........ . ........ section 11
Fuses/Refay ...............,..,,.. 23'62
PGM-FI Control System ......................,....... Section 1 1
*Gauges
Circuit Diagram ....,.,.......23-131
Fuef Gauge ...........'.'.......23-142
Gauge/lndicator .. . .. 23-129
Ground Distribution .. . 23-75
Heatei controls .. . ..... Section 21*Horn................. ...............23-196
*tgnition Switch ....................23-89
lgnition System .......,.... 23-102
*lntegrated Control Unit ....................................... 23-156
fnterlock System ,........ . . , ,23-144
Lighting System . . . .. ......... 23-161
Lights, Exterior
Back-up Lights ..'............23'171
Brake Lights .................. 23'174
Daytime Bunning Lights (Canadal ............... 23'166
Front Parking Lights ......,................ .'. .......... 23-167
Front Turn Signal Lights .......... . . ............ ..,.23-167
Headtights ....".'....-... ..... 23'167
High Mount Brake Light ...................... ... .23'179
License Plate Lights ...... 23'176
Taitfights ................ .......23'171
lnterior Lights ..-.......,, . 23-142
Moonroof ..,.................,........ 23-235
Power Distribution ....... . . .23-61
Power Door Locks .......,,,. .23'251
Power Mirrors ,..............,.,...23'206
Power Relays ....... . ...... . . .. 23-86
Power Windows ............,,....23-220
Rear Window Defogger .......................... . . ... . . 23-2OO
Spark Plugs . ..... . ........ .....23-111
Slarting System ................23-93*stereo Sound Svstem ,................. ..... ... . ... ,.,.,,23'147'Supplemental Restraint System (SRS) ... . Section 24
Turn Signal/Hazard Flasher System .......'.'....-... 23-173
*Undel-dash Fuse/Relay Box ............,.................. 23-85
vehicfe soeed sensor (VSSI """" ""' 23-140+Wipers/Washers .........,.,.,...23-214
NOTE: Unless otherwise specified, references to auto-
matic transmission (Mf) in this section include the CVT.

(l'-
Fuse NumberAmpswire ColorComponent(s) or Circuitlsl Protect€d
4180APower distribution
4240AWHT/BLKTo ignition switch (BAT)
437.5 AWHT/REDCeiling light, data link connector, trunk light
4415 AWHT/BLKPGM-Fl main relay
Not used
4640AWHT/BLUPower window motors (via power window relay)
477.5 AWHT/BLUAudio unit, clock, TCM (CVT), ECM/PCM (VBU)
4830AWHTNo.33 (7.5 A) fuse, To combination light switch (headlight)
49Not used
5030AWHT/GRNRear window defogger (via rear window defogger relay)
cl20AWHT/GRNPower door lock control unit, moonroof motor
15 AWHT/GRNHorn system, brake lights, brake signal
10 AWHT/BLKHazard warning light, turn signal/hazard rclay
54404WHT/REDOption {+B)
5540ABLU,A/VHTBlower motor (via blower motor relay)
204WHTCondenser fan motor (via condenser fan relay)
REDl'lc compressor clutch (via IVC compressor clutch relay)
204BLVBEDRadiator fan motor (via radiator fan relay)
23-6

Power Distribution
tCircuit ldentification
CONTROL
V
IGRNMHT
UNDER-HOODABSFUSEi RELAY BOX
'96-98 models: 99-00 models
WHT'GBN - l ABs conlrorun
ABS Aimp molor
*2
BRN,ryEL
YEUREDI ABS conltolun t
Slaner molor
WHT/BLK ..........-
WHT/GRN _-
WHTiGBN
GRN/RED -
Hazard waming liglTun signal/hazard re ay{Via swlch)
HOTN
HOn re ay
ABs controllnilECMi PCMTCM (CW)rlCruise conlrol unilErake lrghls
EC}?VPCM
I-"-
G401G402
I... UNOER.DASHw_T BLU -13 > F-SE ?ELAY BCxt- Fa Nge23:t)
Audio unilTCM (CW)',ECM/PCMHealer conlrolpanel
(cont'd)
23-67
UNDER HOODFUSEi RELAY BOX
ALTERNATOR
VNo 15 (7 sA) FUSE Y(From page 23 70) |
f7 r_1
I_ .,.-.,
*,,,,,* _$ lg|[|];gil.' ('^')
WHT/8LK -
Ceiling lighlTrunkllghrSpollighl *'
Dala link connecor (DLc)Integraled control unil
PGM Fl main relay

Power Distribution
Circuit ldentification (conf dl
ECI4/PCM (Via A/C Fsssure switch)
,VC th€modA
Con(,ensef lan molor
A/C comFessor dulci
ECWPCM
UNDER HOOD FUSE/BELAY BOX
"*-f_
v{HT -
BLI(/RED -
UNDEN.DASH FUSE/REIAY BOXflo page 23-72)
COMBINATION LIGHT SWITCH[Io page 23 73, 74)
UNDER,DASH FUSgRELAY BOXOo page 23'74)
wnc'N ---}> Hlgl;%,s,1 lsu'r"' *,
wHT/GnN-Po#sr door lock control unilMoonrool molor
*HT/RED + Hoo5f;oA'.j1fu,uttto" *t
BLUMHT - Blowor fiolor
G()1G402
BLu/rrit{t -
BLU/lf {I -
23-68
BLI(RED - Radiator tan molor

Power Distribution
Circuit ldentification (cont'd)
IGN|T 0N SWTTCH (ACo)lFrom page 23-69)
*3 (or PNn -
Anernal0rVSS
HO2SEVAP conlrol canister vent shr,,l vafoeEVAP Flrge conrol so enord valveECM/PCM"
Back-!p lighls
SRS unri (VB)
i.1 :'96,98 modesr.2 : 99 mode*3 :GRY ('96-97 models):GRN (98'00 models)
sLrwHT+ Ft"t:itJY;i
BLI{WHT -}rcutcwt.,
BLKr'r{HT - Chargir! syslem trghl
InteEalei conLol unft
Shin lock soenod I r!/r\lnleiock mnlrol un I J '- '
Galge ass€mblySRS indicalor lighlABS indicrtor lghlA/Igear posilion nd€lorl d,mmino qrcu,luru6e notcaoa ) -
Inlegraled conlrcl un t
Windshield wiper molor
GRN,B-< ........- ImeEaleo cortolull| (viawndshieLd wi9el swllci)- wrrdsi erd washer .nolor(Via swrn)
Accessory power sockel (ACC)
oplioial conneclor (Acc)
Audio unil
UNDEF.DASH FUSE/REtAY BOX
No 1s (7 sA)
POWERWINDOW RELAY(To page 23-71 )
N0.25 (7.5A)
GBN/OF -- Moolroolopel relay- MOOlrOOldOSe relav
(Fusoirelay box sockel)
YEL-
(Fuse/relay box socl€l)
Y_ *,n,,*
23-70

Power Distribution
Circuit ldentification (conf dl
IM/T)
rGNrTtoN swrTcH (sT)(From pag€ 23{9)
YBLK ,VHT
t-
I
r**"'.fffr,u,r.*@**-_
lil.BLT(-^,I'/HT -|:1jl- BLT(RED
T
BLK ^/HT - $aner sol€ndd G401
STAFTERCUT RELAYCLUTCH SWITCH
BLIVREO
L-
rGNrTroN swtTcH (sT){From paoe 23{9)
f'7
IIBLK/WHT
NEUTFAL POSITIONswtTcH/ln lL/Tgeat \\posnion swldr/
BLT(RED
-BLK4rrHr
- srarrer sotsnoid
(Fus€felay lox sockol)lrflagGt€d conlrol unit
ELU VHT - PGM-F| main retay
BLUMHT _ ECI\T/PCM
lH#|1'#i,'f,5>-**l e ock connol unit(via intedocf switdr)
Key ints ocl solenoid
23-72
wHr + &3T:$111.9|'ij""'n'"

Power Distribution
Circuit ldentification (cont'd)
Canada:
COMBINATIONLIGHT SWITCH
N0.48 {30A)
RED/BLU - Right headlighl (High boam)
FEDiBLU ----< REstsTOR
REo/GRN - HiJh beam indicator lighl
BEo/GRN - Left headlighl iH,gh beam)
L Fight headlight {Low beam)
FEo/YEL - L€ll headlight (Low beam)
(Fuse/lelay box sockel)Optional conneclor (oash lighs)
Inleg6led conlrcl unil
- Hazard wanirE swilch lighl
i- Gauge lEhts
l- Audio unil
l- Re& Yrindow delogg8r swili
t- Ctuise main swrdr ligh
l- C/uise indEator l
E g"ffiry:'l,:1':::1
Refi window delog$r swildr light
Ctuise indicalor 1 dimming,T geal posilion indicator J circu(Dasn lghls brignmess co oller
BRAKESYSTEMLIGHT
V
I
l- GFf
,,4,,0*,lf tIFLUDII ,j I LEVEL
Y
SWTCH
I8LKI
I
I
I:
G401G402
REo/BLK - l/T ged position console lqhl- Hqalor codrot panel tighl
REO/BLK -F- Lefi ) .l- g;n1J lron 9arrn! qm
FEDiBLK + Letl I
F Rqn J ouer larrqns
- I Al, I
{- i'-;*; inne' raittiotts
E fifi]t'"nt"o't't'sn"
*ro,rru -$ RcHT HEADLIGHT (Hrgh beam)
BEDiGRN -+ LEFI H EADLIGHT (High beam)
I BLK
IIPARKING IEFAKE IswrrcH I
I:
G401G402
UNDER,DASH FUSE/RELAY 8OX
lo| | PASSTNGto
/Fforn page\\a-68 l
N0.48 {304)FUSE/From page\\23-72 )
N0.18 (7.54)FUSE/From page \\?3-69 J
v
YIYEUBLK
N0.48 (40A)FUSE/From paqe \\23-68 - ,/
RED6RN
23-74

Ground Distribution
Circuit ldentification (cont'dl
'99-00 models:(Wilholl ABS)
r'1BL( -< 6 | c40. tFror oaoe 23-BC. II
L
E
UNDEF.H@DFUSF]RELAY BOX
_::I
A,/I gefi posilion swilchELD unil
Servi@ check connector
BL-_14BL- rl--{ry--Browe,mororreray
L4 ,r^ -.;--a-r,* -11-51 BLK - Hearer conrror o6nt n"*-fi-+aLx-lfuBLK- Hearer conrror panel
eLx -iff BLK - ff;?,m",:[:' "n'
or*
ABS glmp motor
_trl
G501
Pos€r door lock cortaol unitDivers door lock aclualorDriver's door lock switchLefl miror delogger
BLK --.+t _
F J Power wndos man swdch
-. Dive/s Fo*gr window motor
TBLK -.1 F--{ BLK - Fighr.niror detogger
tr
tr
E : Healer sub-haness A
El : Healer sub'harress B
: Floor wire hamess
: Drve/sdoorwife haness
-
|,-"*T-"^tl I
vl-L"."
G551
ort,
El ' Main *it" hanes
E : Dashboafd wirc harness
23-82
@ Passenger's doof w're hamess