2000 HONDA CIVIC Ac switch

Connector ldentification and Wire Harness Routing
Connosto! ol
Tsrminal
Number of
CavitiesLocationConnoqtg toNotes
c401
c402
c403
c404
c405
c406
c407
c407
c408
c409
c410
c411
c412
c4'I3
c4't4
c415
c416
c417
c418
c419
c420
c42l
c422
c423
c424
c425
c426
c427
c428
c429
c430
c431
c432
c433
c434
c435
c447
c448
c449
c450
c451
20
4
14
I
6
1
10
12
24
16
4
7
6
2
18
20
18
7
4
8
o
7
8
14
22
18
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 fuse/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
Behind under-dash fuse/relay box
Behind under-dash fuse/relay box
Behind under-dash fuse/relay box
Behind under-dash fuse/relay 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 lett 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
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 wire harness (C701)
Moonroof wire harness {C711)
Front fog light connector
Intagrated control unit
Dashboard wire harness (C504)
Dashboard wire harness (C502)
SRS main ha.ness (C802)
Data link connector
Starter cut relay
lgnition switch
Security system
Clutch switch
Clutch interlock switch
Under-dash fus€/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 heaied oxygen sensor sub-
harness (C781)
A/T gear position switch
Shift lock solenoid
Park pin switch and A,/T g€ar position
console light
Security system
Security system
IVT gear position indicator trim light
Security system
Keyless door lock control unit
ABS
Optional
Canada
Canada
Optional
At-|.
M/T
Optional
M/T
Atr
Optional
Optional
Optional
Atr
AIT
AJ-|.
G401Left kick panelBody ground, via main wire harness
Main Wire Halness lLoft side of dash 8nd lloor branchl: '99 - 00 mod€ls
*2: Without moonroof*4: With moonroof*5: M/T (with cruise control or for Dl6Y5 engine)*6: With secondary heated oxygen sensor (H02S)
23-36

D
Dashboard Wire Harness
Connector ol
Terminal
Numbel of
CavitiesLocationConnects toNotes
c501
c502
c503
c504
c505
c507
c508
c509
c510
c513
c514
c515
c516
c518
c519
c520
20
24
to
12
5
3
20
5
5
14
r0
5
20
22
5
2
5
Behind dashboard lower panel
Above under-dash luse/relay box
Above under dash Iuse/relay box
Above under dash tuse/relay box
Left side of steering wheel
Left side of steering wheel
Below gauges
Behind gauges
Behind gauges
Behind gauges
Behind gauges
Behind gauges
Right side ot gauges
Right side oI gauges
Beh ind middle of dash
Behind middle of dash
Behind middle of dash
Behind middle of dash
Behind middle of dash
Behind middle of dash
Behind gauges
Under-dash {use/relay box (C912)
Main wire harness 1C411)
Floor wire harness (C553)
Main wire harness (C410)
Cruise main switch
Dash lights brightness controller
Junction connector
Gauge assembly
Gauge assembly
Gauge assembly
Gauge assembly
Gauge assembly
Hazard warning switch
Rear window defogger switch
Audio unit (Keyless receiver circuit)
Audio unit
Security control unit
Audio unit
Security system
Accessory power outlet
Gauge assembly
A"r
SRS
A,/r
Optio nal*'
Option al*'
ABS
G501Under middle ol dashBody ground, via dashboard wire harness
*1: With shiit-up indicator or cruise control system ('96 - 97 models)
With cruise control system ('98 model)
c509 C511 c510 c515
13 lc5l7
*2: '96 98 models*3: '99 - 00 models
c508
DASHSOARD WIREHARNESS
c501
c520
c502 c504
23-39

Gonnector ldentification and Wire Harness Routing
Floor Wire Harness lCoupe/Haichbackl
Connsclor or
Terminal
Number of
CavitiesLocationConnects toNotes
c551
c552
c553
c554
c556
c556
c557
c558
c560
c561
c562
c564
c56s
16
8'16
14
20
2
25,)
,I
2
1
14
20
2
2?
1
10
Behind underdash fuse/relay box
Behind under-dash fuse/relay box
Above under-dash fuse/relay box
Under left side of dash
Above under-dash fuse/relay box
Above under-dash fuse/relay box
Driver's door
Driver's door
Passenger's door
Passenger's door
Middle of floor
Left side offloor
Left B-pillar
lnside of left rear wheel
Left c-pillar
Left C-pillar
Left C-pillar
Fueltank
Fueltank
Inside of right rear wheel
Right B-pillar
Fueltank
Left side ot dash
Under-dash fuse/relay box {C923)
Under-dash fuse/relay box (C921)
Dashboard wire harness {C503)
Main wire harness (C402)
Main wire harness (C401)
Main wire harness {C401)
Driver's door wire harness (C631)
Driver's door wire harness (C631)
Passenger's door wire harness (C651)
Passenger's door wire harness (C651)
Parking brake switch
Driver's seat belt switch
Driver's door switch
Left rear ABS wheel sensor
Rear wire harness (C601)
Rear wire harness (C601)
Rear wire harness {C602}
Fuel gauge sending unit
Fuel pump
Right rear ABS wheel sensor
Passenger's door switch
Fuel tank pressure sensor sub-harness(c791)
Power mirror switch
ABS
ABS
ABS
G551
G552
Left kick panel
Left side of floor
Body ground, via floor wire harness
Body ground. via floor wire harness
*1r With power windows*2: Without power windows*3: D16Y8 engine {Coupe)
*4: '96 - 98 models*5: '99 - 00 models
23-40

Gonnector ldentification and Wire Harness Routing
Connector ol
Terminal
Number of
CavitiesLocationConnects toNotes
c553
c554
c556
c557
c557
c558
c559
c560
c561
c562
c563
c564
c565
c566
c567
L5bY
c570
c511
c572
c513
6
14
25
2
25
'|
1
2't4
1'10
6
6
I
1
Behind underdash fuse/relay box
Behind under-dash fuse/relay box
Above under-dash fuse/relay box
Under left side of dash
Above under-dash fuse/relay box
Drlver's door
Driver's door
Passenger's door
Passenger's door
Middle of floor
Left side of floor
Right B-pillar
lnside of left rear wheel
Left C-pillar
Left C-pillar
Fuel tank
Fuel tank
Inside of right rear wheel
Left B-pillar
Left side of steering wheel
Right B-pillar
Left B-pillar
Left quarter panel
Right quarter panel
Under-dash fuse/relay box {C923)
Under-dash fuse/relay box (C921)
Dashboard wire harness (C503)
Main wire harness (C402)
Main wire harness (C401)
Driver's door wire harness (C631)
Driver's door wire harness (C631)
Front passenger's doorwire harness (C651)
Front passenge/s doorwire harness (C651)
Parking brake switch
Driver's seat belt switch
Front passenger's door switch
Left rear ABS wheel sensor
Rear wire harness (C601)
Rear wire harness (C602)
Fuel gauge sending unit
Fuel pump {FP)
Right rear ABS wheel sensor
Driver's door switch
Power mirror switch
Right rear door wire harness (C671)
Left rear door wire harness (C661)
Left rear door switch
Right rear door switch
ABS
ABS
ABS
G552
Left kick panel
Left side of floor
Body ground, via floor wire harness
Body ground, via floor wire harness
Floor Wire Harness lSedanl: '96 model
*l:With power windows*2; Without power windows
23-42

Gonnector ldentification and Wire Harness Routing
Floor Wire Harness (Sedanl: '97 - 00 models
Connector or
Terminal
Number of
CavitiesLocationConnects toNotes
c552
c553
c554
c555
c556
c557
c557
c558
c559
c560
c56'l
c562
c563
c564
c566
c568
c569
c570
c571
c572
16
8
14
20
25
2
2
1
2
1
20
2
2
2
1
l0
1
1
Behind under-dash fuse/relay box
Behind under dash fuse/relay box
Above under-dash fuse/relay box
Under left side of dash
Above under-dash fuse/relay box
Above under-dash fuse/relay box
Driver's door
Driver's door
Passenger's door
Passenger's door
Middle of floor
Left side of floor
Right B-pillar
Inside of left rear wheel
Left C-pillar
Left C-pillar
Left C-pillar
Fuel tank
Fuel tank
Inside of righr rear wheel
Left B-pillar
Fuel tank
Left side of steering wheel
Righr B,pillar
Left B pillar
I ofr ^,,.riar ^.^al
Right quarter panel
Under-dash fuse/relay box (C923)
Under-dash fuse/relay box (C921)
Dashboard wire harness (C503)
Main wire harness (C402)
Main wire harness (C401)
Main wire harness (C401)
Driver's door wire harness (C631)
Driver's door wire harness {C631}
Front passenger's door wire harness (C651)
Front passenger's door wire harness (C651)
Parking brake switch
Driver's seat belt switch
Front passenger's door switch
Left rear ABS wheel sensor
Rear wire harness (C601)
Rear wire harness (C601)
Rear wire harness (C602)
Fuel gauge sending unit
Fuel pump (FP)
Right rear ABS wheel sensor
Driver's door switch
Fuel tank pressure sensor sub-harness(c791)
Power mirror switch
Right rear door wire harness (C671)
Left rear door wire harness (C661)
Left rear door switch
Right rear door switch
ABS
ABS
ABS
G551Left kick panel
Left side of floor
Body ground, via floor wire harness
Body ground, via floor wire harness
"1r With power windows*2: Without power windows
*3:'97 - '98 models*4: '99 - 00 models
23-44

D
Rear Wire Harness {Coupe: '96 - 99 models/Sedan; '96 - 98 modelsl
Connector or
Torminal
Numbsr of
CaviiiesLocationConnects toNotes
c601
c601
c602
c603
c604
c605
c606
c609
c610
LOtl
c612
c613
c6'1 4
c616
c617
to
20
1)
1
4
2
2
2
4
Left quarter panel
Left quarter panel
Left quarter panel
Left quarter panel
Left side of trunk
Right side of trunk
Right quarter Panel
Left side of rear window
Middle of rear shelf
Middle of rear shelf
Right side of rear window
Left side of trunk
Middle of trunk
Middle of trunk
Middle of trunk
Right side of trunk
Floor wire harness (C562)
Floor wire harness (C562)
Floor wire harness (C563)
Left rear speaker
Left outer taillight
Right outer taillight
Right rear speaker
Rear window defogger (+)
High mount brake light
Trunk light
Rear window defogger (-l
Left inner taillight
Left Iicense plate light
Trunk latch switch
Right license Plate light
Right inner taillight
G601Middle of trunkBody ground, via rear wire harness
REAR WIRE HARNESS
23-47

Connector ldentification and WireHarness Routing
Rear Wir€ Harnsss (Sedan): '99 - O0 models
Connactor or
Torminal
Numb€r ot
CavhiosLocationConnects toNotog
c501
c603
c604
c605
c606
c610
c611
c6r3
c614
c617
c618
c619
c620
c621
c622
c623
20
4
3
2a
1
Left quarter panel
Left quarter pan€l
Left side of trunk
Right side of trunk
Right quarter panel
Middle of rear shelf
Middle of rear shelf
Left side of trunk
Middle of trunk
Middle of trunk
Middle of trunk
Right side oftrunk
Left side of trunk
Right side of trunk
Left side of trunk
Right side oftrunk
Middle of rear shelf
Middle of rear shelf
Floor wir€ harness (C562)
Left rear speaker
Left outer taillight
Right outer taillight
Right rear speaker
High mount brake light
Trunk light
Left inn6r taillight
Left licenso plate light
Trunk latch switch
Right license plate light
Right inner tai ight
Left outer taillight
Right outer taillight
Left inner taillight
Right inner tsillight
Window antenna coil
Window ant€nna coil
G601
G602
Middle of trunk
Middle of rsar shelf
Body ground, via rear wire harness
Body ground, via rear wire harness
Roar Window Detogger Wire
Connectot or
Terminal
Numbor of
CavitiosLoc!tionConnrct3 toNote!
c831
u65Z
c833
2
1
1
Middle of rear shelf
Left side of rear window
Right side of rear window
Window antenna coil
Rear window defogger O
Rear window defogger O
REAR WIRE HABNESSc&tl
23-48
c603c62

ID
*1:With power windows*2: Without Power wlndows"3: Without keyless
Driver's Door Wire Harness {Coupe/Hatchback}
Connector ot
Terminal
Numbei of
CavitiesLocationConnects toNotes
c631
UOJ I
c632
c633
c634
c635
c636
c638
c639
c640
2
2
4
4
2
12
3
8
12
Driver's door
Driver's door
Driver's door
Driver's door
Driver's door
Driver's door
Driver's door
Driver's door
Inside of left power mirror
Driver's door
Floor wire harness (C556)
Floor wire harness (C556)
Left front door speaker
Driver's power window motor
Driver's door lock actuator
Tweeter
Power window master swltch
Driver's door lock switch
Left power mirror
Power door lock control unlt
Coupe
Coupe
Coupe
Coupe
Coupe
Coupe
Coupe*3
c639
DRIVER'S DOOR WIRE HARNESS
23-49