2003 HONDA CIVIC Wire harness

Connector or TerminalRetCavitiesLocationConnoc,ts toNotesAlternatorKnock sensorStarter solenoidc102
c103
10857
6
4116
1
Right side of eng;ne compartmentFront of engineMiddle of engine compartmentFront of engine compartment
Front of engane compartment
Engine wire harness (seepage 22 16)Engine wire harness (seeoaae 22-16)T1r224L€tt side of engine compartmentMiddle or enoine comDanmentUnder hood fuse/relay boxStaner motorT101r1021IUnder-hood fuse/relay boxAlternatorBattervBatterv positive terminal
Starter Subharness
STARTER SUB HARNESS
22-15

Connectors and Harnesses
Engine Wire Harness
Camshaft position (CMP) sensorLllr sensorEC[,4 connector AECI/l connector BEngine coolant temperature (ECT)
sensorEngine oil pressure switchEVAP canister purge valveldle air control (lAC)valve
lgnition coil No. llgnition coil No. 2lgnition coil No. 3lgnition coil No. 4Iniector No. 1Inlector No.2Iniector No.3Iniector No. 4Intake air temperature {lAT) sensor
TDC sensorThrottle position (TP) sensorVehicle speed sensor (VSSI
VTC oil control solenoid valveVTEC oil pressure switchVTEC solenoid valvec 101
c102
233
242
Transmission housingLeft side of engineRight side ofengineUnder glove boxUnder glove boxLeft side of engine
Bight side oI engineLeft side of intake manifoldLeft side of intake manifoldMiddle of engine compartmentMiddle of engine compartmentMiddle of engine compartmentMiddle of engine compartmentMiddle of engine compartmentMiddle of engine compartmentMiddle of engine compartmentMiddle of engine companment
28
1845672524201912
811102729303
22
12333332222233
322220
Left side of intake manifoldLeft side of engineLeft side of intake manifoldTransmission housingRight side o{ engineRight side of engineRight side of engineUnder right side of dash
Front of engine companment
Front of engine compartment
ECM wire harness {see page22-321Starter subharness (see page22-15)Starter subharness (see page22 151
Connector to Harness Index (cont'dl
22-16

Connectors and Harnesses
Connector to Harness Index {cont'dl
Engine Compartment Wire Harness (Right branch)
\
Connsctor or TerminalCavitissLocationConnects toNotesABS modulator-control unitBearwasher motorRight front ABS wheel sensorRight front airbag s€nsorBightfront parking lightRight front side marker lightRight front turn signal lightRight headlightRight hornwash€rfluid level switchWindshield washer motor
812
110112
7
222222
I22
Bight side o{ engine compartmentBehind right side of {ront bumperRight side ot engine compartmentBehind right side of front bumperBehind right headlightBehind rightside of Jront bumperBehind right headlightBehind right headlightBehind front bumperBehind rightside of tront bumperBehind rioht side of front bumoerCanada
G202
G2016Behind rightside of tront bumper
Behind rightside of Jront bumper
Body ground via €nginecompartment wtre harnessBody ground via engine.omnerhent wire harness
22-18

ENGINE COMPARTMENT WIREHARNESS
(cont'd)
22-19

Connectors and Harnesses
Engine Compartment Wire Harness (Left branch)
AirJuel (A,,/F) ratio sensorBrake fluid level switchCondenser fan motorCruise control actuatorELD unitFog light connectorLeft front ABS wheel sensorLeft front airbag sensorLeft front parking lightLeft front side marker lightLeft lrontturn signal lightLeft headlightLeft hornRadiator fan motorRadiator fan switchSecondary heated oxygen (SHO2S)
Test tachometer connectorWindshield wiper motorUnder'hood fuse/relay boxconnector A {see page 22-44)Under-hood f use/relay boxconnector B (see page 22-44)Under hood fuse/relay boxconnector C (see page 22-44)Under hood fuse/relay boxconnector D (see page 22 44)Under-hood fuse/relay box
Front of engine companmentLeft side of engine compartmentLeft side of engine compartmentLeft side o{ engine compartmentFront of engine compartmentUnder right side of cowl coverUnder'hood f use/relay boxLeft side of engine compartmentLeft side of engine companmentBehind left side of front bumperBehind left headlightBehind left side of front bumperEehind left headlightBehind left headlightBehind front bumperLeft side of engine compartmentFront of engine compartmentLeft side of engine compartment
Left side of engine companmentL.Jnder left side of cowl coverL.Jnder hood fuse/relay box
L.Jnder hood fuse/relay box
L.Jnder'hood f use/relay box
underhood fuse/relay box
Under-hood fuse/relay box
24222
2519
12
17
13202123
3
117
I
10
5
6
l2
2243,l
222223l224
252
5
12
Connector to Harness Index (cont'dl
\
22-20

l'
\-
ENGINE COMPARTMENT WIREHARNESS
(conr'd)
22-21

Connectors and Harnesses
Connector to Harness Index (cont'd)
Engine Compartment Wire Harness (Dashboard)lcont'dl
Connector or TerminalCavitiesLocationConnectstoNotesFog light connectorUnder'dash fuse/relay boxconnector F (see page 22-45)Underdash fuse/relay boxconnector G (see page 22-45)Underdash fuse/relay boxconnector H (see page 22'45)Under-dash fuse/relay boxconnector | (see page 22'45)Under-dash fuse/relay boxconnector J (see page 22-45)c 151
c401
c451
c452
c501
c502
c502
c503
c851'14
2
3
1
I
9
6
6
5
5
12
10
112
10
3
5
8
2
'10
4
8
5
10
1
Under maddle of dashUnder left side of dash
Under left side of dash
Under left side of dash
Under left side of dash
Under left side ol dash
Under right side of dash
Under right side ot dash
Under right side ot dash
Under right side oJ dash
Under right side oI dash
Under right side ol dash
Under right side oJ dash
Under right side oJ dash
Under middle of dash
Under right side of dash
EPS subharness {see page 22-24)Dashboard wire harness B(see page 22-30)ECM wire harness (see page22-321ECM wire harness (seo page22 32)Dashboard wire harness A(see page 22-26)Dashboard wire harness Alsee page 22-261Dashboard wire harness A(see page 22-26)Dashboard wire harness A(see page 22-26)Floorwire harness (see page22-34l',VC wire harness lsee page22-43\
Oplion
Canada
USA
G4021'IEody ground via engine..mdarlma.t w,rc harncss
22-22

Connectors and Harnesses
Connector to Harness lndex (cont'dl
EPS Subharness
Connector or TerminalCavitiesLocationConnects toNotesEPS control unit connectorAEPS control unit connector BEPS control unit connector CEPS motorEPS torque sensorc 151
c152
2,l
31
6
4
2220262
I
Under rightside ofdashUnder right side of dashUnder righr side of dashMiddle of engine companmentMiddle of engine compartmentUnder right side of dash
Under right side of dash
Engine compartment wireharness (see page 22- 18)ECI\,4 wire harness (see page22-321G 1515aody ground via EPS
22-24