2003 HONDA CIVIC Workshop Manual

Connectors and Harnesses
Dashboard Wire Harness A {Left branchl
Connector or TerminalffiAccessory power socketAudio antennaBrake pedal position switchClutch interlock switchClutch pedal poistion switchCruise control unitCruise main switchDaytime r!nning lights control unitDaytime running lights relayGauge assembly connector AGauge assembly connector BHazard warning switchHeater control panel connector AHeater control panel connector BHVAC push switch assemblyKeyless receiver unitLow beam cut relayOptional security connectorPower mirror switchUnder-dash fuse/relay boxconnector K (see page 22-45)Under'dash fuse/relay box
L {see page 22-45}Underdash fuse/relay boxconnector M lsee page 22'45)Under-dash fuse/relay boxconnector N (see page 22-45)UndeFdash fuse/relay boxconnector O (see page 22-45)UndeFdash fuse/relay boxconnectorY (see page 22 45)c504
c505
c506
c507
c508
c509
c510
22226
3029628
I820111819105327
,I4
12
11
34
1
24
25
2 Under middle of dash2 Under left side of dash4 ] Under left side of dash2 ] Under left srde of dash2 | Under left side of dash14 I Under left side of dash5 Under left side of dash14 Under lett side of dash4 Under lett side of dash22 I Behind gauge assembly22 i Behind gauge assembly10 Behind hazard warnning switch22 Behind heater control panel'14 Behind heater control panel10 ] Behind HVAC switch assembly5 I Under middle of dash5 lUnderleftsideofdash16 Under lefr side of dash13 Under left side oI dash17 ln the under-dash fuse/relay box
CanadaCanada
l0In the under-dash fuse/relay box
In the undeFdash fuse/relay box
In the underdash fuse/relay box
In the under-dash fuse/relay box
In the under-dash fuse/relay box
Under left side of dash
Under left side ot dash
Under left side of dash
Under left side of dash
Under middle of dash
Under middle of dash
Under middle ol dash
Driver's door wire harness(see page 22'40)Driver's door wire harness(see page 22-40)Left side turo signal lightsuonarnessRoof wire harness (see page22 3AlFloor wire harness {see page22-341Floor wire harness (see page22 34JDashboard wire harness B(see oaoe 22-30)
12
12
G501
G503
1
21
Under gauge assembly
Under left side of dash
Body ground via dashboard
Body ground via dashboard
Left Side Turn Signal Light Sub harness
Connector to Harness Index (cont'd)
L
Connector or TerminalCavitiesLocationConnects toNolesLeft side turn signal lightc506353422Behind left side turn signal lightUnder left side of dashDashboard wire harness A
22-26

DASHBOARD WIREHARNESS A
,./
-19
20
34 I
LEFT SIDE TURN SIGNAL LIGHTSUB HARNESS). \'u2s )t
30
(cont'd)
22-27

Connectors and Harnesses
Connector to Harness Index (cont'd)
Dashboard Wire Harness A (Right branch)
Conneclor or TerminalCavitiesLocationConnects toNotesAudio u nit connectorc501
c502
c502
c503
c5'11
c512
c514
ca52
c8533
9
2
6
5
5
4
12
8
10
2010
4
8
5
8
2
6
21
'l
Eehind audio unitUnder right side of dash
Under right side of dash
Under right side of dash
tJnder right side of dash
Under middle of dash
Under middle of dash
Under right side of dash
Under right side of dash
Under right side of dash
Under middle ofdash
Under middle of dash
Engine compartment wireharness (see page 22,18)Engine companmentwireharness (see page 22-18)Engine compartment wireharness (see page 22-18)Engine compartment wireharness (see page 22- 18)ECN4 wire harness (see page22-321Floor wire harness {see page22-341Right side turn signal lightsuonarnessPassenger's door wireharness (see page 22 4l)Passenger's door wireharness (see page 22 4'l)A,/C wire harness (see page22-43)ly'C wire harness (see page22-431
USA
Canada
G502Under right side of dashEody ground via dashboard
Right Side Turn Signal Light Sub harness
Connector orTorminalCavitiesLocationConnectstoNot€sRight side turn signal lightc5't31822Eehind right side turn signal lightUnder rioht side of dashDashboard wire harness A
22-28

DASHBOARO WIBEHARNESS A
'---/...'
TI
22-29

Connectors and Harnesses
Connector to Harness Index (cont'd)
Dashboard Wire Harness B
Collqctor or TerminalCavitiesLocatiol|ConnectstoNotesCableCombination light switchDriver's airbag inflatorlgnition key switchlgnition switchlmmobilizer control unit receiverPassenger's airbag inf latorSRS unit connector AWiper/washer switchUnder dash fuse/relay boxconnectorA lsee page 22,45)Under dash luse/relay boxconnector B (see page 22-45)Under'dash fuse/relay boxconnector C (see page 22-45)Under-dash fuse/relay boxconnector S lsee page 22-45)Under'dash fuse/relay boxconnectorX (see page 22 45)c401
c402
c403
G510
reel211716't9
18I
35
6
1
8
10
12
11
14
5
4
11418145
6
14
2
8
10
4
12
In steering column coverIn steering column coverIn steering column coverIn steering column coverIn steering column coverIn steering column coverUnder middle of dashUnder middle ofdashIn steering column coverUnder left side of dash
Under left side ofdash
Under left side of dash
Under lett side of dash
Under left side of dash
Under right side of dash
Under middle of dash
Under middle of dash
Under middle side of dash
Engine compartment wireharness (see page 22-'18)Floor wire harness (see page22-34JFloor wire harness (see page22-341Dashboard wire harness A(see oaoe 22-26)G40lUnder gauge assemblyBody ground via dashboard
22-30

OASHBOARD WIREHARNESS B
22-31

Connectors and Harnesses
Connector to Harness Index (cont'd)
ECM Wire Harness
Connector or TerminiFI Re-lcavitiesL LocationConnectstoNotesArr ruer t/vrl ralo sensor retayData link connectorEC[/l connector EPGM-Fl main relay 1PGM-Fl main relay 2Under-dash fuse/relay boxconnector D (see page 22 45)Underdash fuse/relay boxconnector E lsee page 22-45)under-dash fuse/relay boxconnector R lsee page 22-45)c10'1
c152
c451
c452
c453
c511
8761
2
3
4
1'I
I
10
14
12
44
6
20
8
4
6
Eehind glove boxUnder middle of dashBehind glove boxBehind glove boxBehind glove boxIn the under-dash fuse/relay box
In the under-dash fuse/relay box
In the under-dash fuse/relay box
Under rlght side of dash
Under right side of dash
Under right side of dash
Under right side ot dash
Under middle oI dash
Under middle of dash
Engine wire harness (seepage 22'16)EPS sub harness (see page22-24)Engine companment wireharness {see page 22-18)Engine compartment wireharness {see page 22-18)Floor wire harness (see page22-34)Dashboard wire harness A{see oaoe 22-26)G451Under gauge assemblyBody ground via ECM wireharness
22-32

ECM WIRE HARNESS
22-33