1999 HONDA CIVIC Power

-43. Cruise Control Unit
- Gray ('96-'97 models) or Blue ('98-'00 models)- Behind lett side ol dash- On main wire harness
'96-'97 Models:
1 BRN (Cruise controlactuator control)
2 GBY(Brake switch input)
3 BLK (Ground)
4 GRN,ryVHT(Brake switch Input)
5 LT GRN/RED(Set/decel signal inPUt)
6 LT GRN/BLK(Resume/accel inPut)
7
'98-'00 Models:
'I BBN (Actuator control)
2 GRY(Brake switch input)
3 BLK (G401)
4
5 GRN,^/VHT(8rake switch rnput)
6 LT GRN/RED(Set/decel signal inPut)
7 LT GRN/BLK(Resume/accelsignalinput)
8 BRN,AiVHT(Vent solenoid control)
9 RED/BLU("Cruise Control"indicator light conkol)
10 BRN/BLK (Vacuum
solenoid controi)
12 BLUMHT(Vehicle speed input)
13 LT GRN (Power input)
14 PNK (Dlsengage input)
8 *1: BLU/GRN(Cruise signal)
9 BFN/WHT
{Actuator control)
1O RED/ALU(lndicator light conkol)
11 BRN/BLK(Actuator control)
12 BLU,ryVHT(Vehicle speed input)
13 LT GRN (Power input)
14 PNK (Dlsengage input)
\
17
II1011'121314
*1= 99-'00 w(h A/T
202-13
44. Heater Control Panel ('96-'98)
- Green- Center ol dash- On heater-sub-B wire harness
1 YEL (H/DEF control)
2 BLKTYEL (lgnition input)
3 WHT/BLU(Battery input)
4 YEUBLU(Defrost control)
5 RED (lllumination -)
6 RED/BLK (lllumination +)
7 ELUruVHT (Heat conkol)
8 YEL/RED (Vent control)
9 GRN/YEL(Bl'LEV control)
10 BLK (Ground)
11 BLU/FED(lVC thermostat input)
12 GRNMHT(Fresh control)13 GRN/FED(Recirc. control)
14 GRN (A/C ON input)
45. c440
- Blue- Below right side of dash- Connects main wire harness to heater-sub-A
wrre narness
2 BLK (G402)
3 BLU/WHT(Blower controls)
4 '99-'00: BLU/YEL(Rear window defoggeo
7
9
10
11 WHT/BLU (Fuse 47)
12 BLK (G402)
13 RED (Dash andconsole Iights)
14 RED/BLK (Dash andconsole lights)
15 BLUAVHT (FVC
compressor conkols)
16 BLK/YEL (Air delivery)

Gonnector Views (conrd)
46. C503
B
9
*1: GBN/ORN(Power door locks)*1r BLU|/EL(Power door locks)
GRN/RED (Brake
system indicator light)*1r LT GRN(Power door locks)*3: GRN/YEL (Lowfuel indicator light)
BLU/BLK (lndicators)*3: BLU/YEL(Stereo sound system)*3: YEUBLK (Gauges)*3: GRY/WHT(Stereo sound system)
10 *1: GRNAVHT(Power door locks)*2: BL(BLU(Power mirfors)
11 *3: BRNMHT(Stereo sound system)
12 *3: RED/YEL(Stereo sound system)
13 GRY/BLK(Stereo sound system)
14 BLU(Stereo sound system)
15 BRN/BLK(Stereo sound system)
16 RED/GBN(Stereo sound system)
- Blue- lvlounted to side of under-dash fuse/relay box- Connects floor wire harness to dashboardwtre narness
1
2
3
5
6
7
*1= '96-'98 models*2: '99-'00 models*3= All except GX models
48. Data Link Connector (DLC)
- Gray- Below left side of dash, above kick panel- On main wire harness
4
6 LT BLU (SRS)
7
8 WHT/BED(Battery input)
9
10
12 BLK (G401)
13 BLK (G401)
14
15 BLU/YEL(DLC inpuVoutput)
47. C551
- Green- On rear of under-dash tuse/relay box- On floor wire harness
1 BED/GRN (Brake
system indicator light)
2
4 BLI(BLU(Rear window defogger)
5 GBN/RED (Brake
system indicator llght)
6 *1: WHT/RED(Trunk light)
7
8 Hatchback: GBN(Rear wiper/washer)
9
10
11 GRN/YEL(Turn signal andhazard warning lights)
13 RED/BLK(Headlight switch)
14
15 GRN/RED(Turn signal andhazard warning lights)
202-14
*1= Allexcept GX models
49. C419
- Green- On rear of under-dash fuse/relay box- On main wire harness
1 '98''00 models: RED(lgnition system)
2 WHT/RED (Fuse s4)
3 Canada: WHT (Fuse 48)
4 BLI(RED(Starting system)
5 WHT (Fuse 48)
6 WHT/RED (Fuse 43)
7 1*: WHT(Security system)
I *2: BLK,TYEL
{Power door locks)
I Canada: YEL/BLK(Headlights)
1O YEURED(Back up lights)
11
13 WHT/GRN (Fuse 51)
14 '96-'98 CVT: BLKWHT(A/T controls)
15 Canada: GRN/RED(Headlights)
16 A/Ti YEL (lnterlock
system)
17 RED/BLK(Headlight switch)
18 Canada: RED/GRN(Headlights)
"1 = USA: LX, EX, HX, DX-V SiCanada: EX, Si12 = '99100 USA: LX, EX, HX, DX-V Si

-50. c421
- Green- On rear of under-dash fuse/relay box- On main wire harness
I
l RED/YEL(Headlight switch)
2 BLIVBLU (ABS)
3 RED/GRN(Headlight switch)
4 GFIN/BLK(Front wiper/washer)
5 FED/BLU(Headlight swrtch)
6 WHT/BLU(Charging systern)
7
9 REDAVHT(Headlight switch)
10 GRN/YEL (Turn signaland hazard lights)
11
12 USA: BLKAVHT(Charging system)
13 BLKryVHT (Fuse 15)
14 GRN/RED (Brake
indicator system light)
16 GRN/RED (Turn signaland hazard lights)
17 BED/BLK(Headlight switch)
18 RED/BLK(Headlight switch)
52. C130
- Brown- Below right side ot dash panel- Engine wire harness junction connector
T---------"1
1 8RN/BLK (G101)
2 BRN/BLK (G101)
3 BRN/BLK (G101)
4 BRN/BLK (G101)
5 BRN/BLK (G101)
6 BRN/BLK (G101)
7 BRN/BLK (G101)
I BRN/BLK (G101)
9 BRN/BLK (G101)
10 BBN/BLK (G101)
L---------J
Terminals grouped together areconnected by the sarre bus bar.
*1= 96- 98 models: All except D16Y5'99-'00 models: D1685*2= 96-98 models: D16Y5/D1685'99- 00r All except D1685
11 BLUMHT (VSS)
12 BLU,ryVHT (VSS)
13 BLU,^/VHT (VSS)L_-_____--Jr---------'1
14 YEL/BLK (PGl\4-Fl)
15 YEL/BLK (PGr\4'Fr)
16 YEUBLK (PGI\4,FI)
17 YEUBLK (PGr\4,Fr)L______---JT----------118 *1: GRN (Fans)*2: YEUBLU (PGM-Fl)
19 *1: GRN (Fans).2: YEUBLU (PGM-Fl)
20 *1: GRN (Fans).2: YEUBLU (PGM-Fl)_______--J
51. SRS Unit
- Yellow- Below center oJ dash- On SRS marn wire harness
1 GFY (1) or GRN(Drivefs nflator)
2
3 GRY (17) or GRN(lgn tion input)
6 GRY (21) or GRN(SRS indicalor control)
7 GRY (18) or GRN(lgnition nput)
8 GBY (14) or GRN (MES)
9 GBY (13) of GRN(Service checkconnector input)
10 GRY (4) or GRN(Frt. pass. inflato4
11
13 GBY (2) or GRN(Drivefs nflator)
14 GBY (5) or GRN(Frt. pass. inflator)
15 GRY (3) or GRN(DLC input/output)
16 GRY (19) or GRN(G801)
17 GRY (20) or GRN(G801)
1B GRY (6) or GRN (MES)
13678
10Il12131415't7't8
53. C420
- Green- On rear of under-dash fuse/relay box- On main wire harness
1 Canadar RED/BLU(Headlights)
2
3 8LK (G401)
5 WHT/GRN(Rear window defogger)
6 WHT/BLU(Power windows)
7
8 YEL/GRN (PGM-FD
I BLK//EL (Fuse 17)
1O BLUAVHT (PGM,FI)
1 1 BLUMHT (PGI,4-FI)
14
16 Canada: BLKAVHT(Headlights)
18 A/Tr WHT/GRN(lnterlock system)
19
20 WHT/RED(Ceiling light)
202-15

Connector Views (cont'd)
54. c442
- White or Orange- Behind right kick panel- l\,lain wire harness junction connector
r---------Tr---------"1
1 BLU (lgnition systemor Gauges)
2 BLU (lgnition syslemor Gauges)
3 BLU (lgnition systemor Gauges)
4 BLU (lgnition system
L_ or causes)L_-:-:::'-'____Jt-----------1
11 GRN/WHT (PGM-FD
12 GRN/WHT(A/T controls)
13 GRNMHT (ABS)
14 GRNMHT
L_ lc,r'." .oIr"D_ _ _.jr----------_l
5
6
7L---------JT----------l8 GRN/RED (Brake
system indicator light)
9 GRN/RED (Brake
system indicator light)
10 GRN/RED (Brake
_ system indicator ligh0 -..1
| 15 BLUMHT (vSS) |I 16 BLUMHT (VSS) I
L T?_BLUSTrySS)--..]
l--------- - -l
| 18 BFN/BLK (G101) I| 19 BBN/BLK (G101) || 20 BRN/BLK (c101) |L---------J
Terminals groupedtogether are connectedby the same bus bar.
55. C501
- Green- On tront of under-dash tuse/relay box- On dashboard wire harness
l RED/GFN(Headlight switch)
2 *1 : BLKBLU (Fuse 16)
3 WHT/BLU(Charging systern)
4 BLK (G401)
5 GRNMHT(Turn signal lights)
6 GRN/RED(Turn signal lights)
7 GRN/ORN(Turn signal lights)
8 8LU/YEL(Rear w ndow delogger)
9 GFN/YEL(Turn signal lights)
'10 YEL (Fuse 25)
11 YEL/BLK(Turn signal lights)
12 BLKTYEL (Fuse 14)
13 YEUGRN (Accessorypower socket)
15 RED/BLK(Headlight switch)
1B BLK/WHT(Charglng system)
19 YEL/RED(Stereo sound system)
20
202-16
-1 =All e),cept GX
s6. c507
- White or Blue- Behind left side oJ dash- Dashboard wire harness junction connector
r --------'lT---------l
7 BED (Dash andconsole lights)
B BED (Dash andconsole lights)
I RED (Dash andconsole lights)
10 RFD (Dash andconsole lights)
11 RED/BLK (Dash
and console lights)
12 RED/8LK (Dash
and console lights)
13 RED/BLK {Dashand console lights)
14 RED/BLK (Dash
and console lights)
15 RED/BLK (Dash
and console lights)
16 RED/BLK (Dash
and console lights)L--------J
T--------T
L---_---_J
1 BLK (G401)
2 BLK (G401)
3 8LK {G401)4 8LK (G401)
5 BLK (G401)
6 8LK (G401)L________J
T--------"1
17 YEL (Fuse 25)
18 YEL (Fuse 25)
19 YEL (Fuse 25)
20 YEL (Fuse 25)L--------J
Term nals grouped together are connected by the same bus bat

\61. C556 (with Power Door Locks)
- Gray- In driver's door jamb- Connects tloor wire harness to driver's door
wtre narn€ss
\
1 '9: GRN/BLK(Power windows)
2 *9: BLU/BLK(Power windows)
3 *7: YEUBLK(Power windows)
4 *7: REDMHT(Power windows)
5 .3: WHT/GRN14r BLU,TWHT(Power door locks)
6 i9: BLU//EL(Power windows)
7 '9: BLU/ORN(Power windows)
I *7: YEL(Power windows)
9 *7: YEUGRN(Power windows)
10 *7: GRN/VEL(Power windows)
11 *7i GRN(Power windows)
12 WHT/RED(Power door locks)
13 "3: YEUBED(Power door locks)
14 *1: YEURED*2: BLU/BLK(Power mirrors)
15 '96-'97models:
BLU/BLK(Power mirrors)13: BLU/YEL(Power door locks*4: BLU/BED(Power door locks)
Power mirrors without
Power mirrors withdeloggers'98 model: All'99-'00 models: WithoutKeyress'99r00 models: WithKeyress'98 modelr All'99-'00 models: Power
16 '96.97 models: BLU'98-'00 models:Male - RED/GRNFemale - BLU(Stereo sound system)
17 '96197 modelslGRY/BLK'98r00 modelslMale - BRN/BLKFemale - GRY/BLK(Stereo sound system)
18 *8: GRN/WHT(Power door locks)
19 *8r GRN/ORN(Power door locks)
20 t1 | BLU,TWHTr2:YEURED
(Power mirrors)
21 '96-'97 models:BLU/TEL(Power door locks)*5: BLU/BLK(Power mirrors)*6: BLU,TWHT(Power mir.ors)
22 BLK (Gssl)
23 BLK (G551)
24 *2: ORNMHT(Power mirrors)
mirrors without deloggers'6= 99100 mod6ls: Powermirrors with deloggers*7= Sedan*8= '96-98 USA: LX, HX, EX'99-'00 USA: All*9= All except '00 CanadaDX-V: With Power DoorLocks Only
)
'I24
78910
11131415
1617181920
21222324
62. C557 (with Power Door Locks)
- Gray- In front passenger's door jamb- Connects floor wire harness to passenger's
door wire harness
l GRN/BLK
{Power windows)
2 BLU/YEL(Power windows)
3 BLU/ORN(Power windows)
4 WHT/RED(Power door locks)
5 YEURED(Power door locks)
6 '96197 models:RED/GRN'98-'00 modelsll\4ale - BLUFemale - RED/GRN(Stereo sound system)
7 '96-'97 models:BRN/BLK'98-'00 models:Male - GRY/BLKFemale - BRN/BLK(Stereo sound system)
*2: GRN,TWHT(Power mirrors)
9 YEUBLK(Pow€r mirrors)
10 *1: GRNA/VHT*2r YEURED(Power mirrors)
12
13 12: ORNMHT(Power mirrors)
14 *2: BLK(Power mirrors)
18
20-
23
r1= Without mirror defoggers*2= With mirror defoggers
45
78910
1112t31415
1617181920
2'l222425
202-21

Connector Views (cont'd)
63. ABS ControlUnit
- Above right kick Panel
Connector A
- Orange- On main wire harness
1 RED/BLU (FR-|N)
3-
4 BRN (SCS)
7 BLU/BED (WALP)
8 '96197 models:
BLU|YEL (Not used)
9_
10 YEUBLK (FL-OUT)
11 RED/BLK (FL-|N)
Connector B
- Orange- On main wire harness
1 GRN^VHT (PCOM)
2 BLr(wHT {SCOM)
3 BLIVBLU (lG2)
4 BLU/fEL (RRo)
6 GRY (RLo)
8 GRN (FRo)
9 GRNAVHT (STOP)
10 BRNAVHT (FLo)
12 YEL (RL-OUT)
13 REDAVHT (RR"IN)
12 YEUBLU (FR.OUT)
14 LT BLU (DLC)
16 -
17 BRN/YEL (MCK)
18 -
19 YEURED (PlVlR)
21 BLU (RR-OUI)
22 BLK (GND1)
14 WHT/GRN (+81)
15 WHT/GRN (+82)
16 BLK {GND2)17 GRN/yEL (FRl)
18 -
19 LT BLU (RL1)
21 GRN/BLK (FRl)
22_
23 GRN/ORN (FL1)
25 RED (RL-IN)
26 BLK {GND3)
202-22
64. Combination Light Switch
- Lett side of steering column
Connector A
- Natural- On main wire harness
GRN/ORN Ourn signal
switch power input)
GRN/RED (Lett turn
signal power outqut)
3
Connector B
- Natural- On main wire harness
RED/GRN (Headlight
switch outpUt)
WHT (Fuse 48)
REDAvHT (Dimmer
switch LO outpu0
Canadar RED(DRL output)
GRN/YEL (Right turn
signal power output)
FED/BLU (Dimmer
switch Hl output)
WHT (Fuse 48)'98100 models: GRY
{Horns)
6
7

Connector ldentification and Wire Harness Routing
Connector
or
Terminal
Number of
Cavities/
Color
LocationConnects toNotes
Starter Cables
T1
r2
Right side of engine compartment
Right side of engine
Under-hood luse/relay box
Staner motor
t+lBatteryBattery positive terminal
Battery Ground Cable
Right front shock towerBody ground, via battery ground
cable
oBatteryBattery negative terminal
Engine Ground Cable A
t!tLeft end of enginePower steering pump bracket
Too left side ot bulkheadBody ground, via engine ground
cable A
Engine Ground Cable B
T4Bight side of engine compartmentTransmission
(ritRight side of front frameBody ground, via engine ground
Under-hood ABS Fuse/Relay Box Wire Harness
tcRight side of engine compartmentUnder-hood ABS fuse/relay box
oBatteryBattery positive terminal
A,/C Wire Harness
c209
wtJl/,\-7Ee
c754
4-GRY
1.GRY
2-GRY
2-GRY
Lefl front of engine compartment
Left front of engine compartment
Lefl front of engine compartment
Left tront of engine compartment
Engine compartment wire harness
A,/C compressor clutch
Condenser fan motor
A,/C pressure switch
G751Left front of engine compartmentBody ground, via A,/C wireharness

Connector ldentification and Wire Harness Routing
Connector
or
Terminal
Number ot
Cavities/
Golor
LocationConnects toNotes
Engine Wire Harness (Dl6Y5, D16Y8 engines): '96-98 models and '99;00 D16Y5 dM/T
c101
c102
c 103
c104
Q104
c105
c106
c107
cl 08
cl09
cl10
c1l1
cl'12
c113
c114
c'115
c116
c'117
c 118
c119
c120
c121
c122
c123
c123
c124
Q124
c125
c 126
c127
c128
c129
c130
c131
cl32
c 134
c135
c136
c137
c138
c139
c'140
c141
c142
c143
c144
c'|44
c145
c146
c147
1O-GRY
3.GRY
1-CLR
4-GRN
3-N/A
2-BLK
2-BLK
2-BLK
2-BLK
3-GRY
3-GRY
3-GRY
2.BLK
2.GRY
2-BLK
14-BLU
14-GRY
3.GRY
2-BLK
2-GRY
1O-GRY
1.BLK
2.GRY
4-GRY
8-GRY
2-GRY
2.GRY
4-GRY
2.BLK
2.BLK
2-GRY
1.BLK
2O.BRN
22.GRN
32.GRY
25.GRY
31-BLU
16.GRY
14-GRY
8.GRY
2-GFIY
2.GRY
1-GRY
2-GRY
2-BLK
2-GRY
2.BLK
3-GRY
6-GRY
2.BLK
8-GRY
2-BLK
Left side of engine compartment
Left side of engine
Middle of engineI att .i.la ^f an^i^6
Left side ot engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
[,liddle of engine
Middle ot engine
Middle ot engine
Middle of engine
Middle of engine
Middle of engine
l\,liddle of engine
Right side of engine compartment
Right side of engine compartment
Middle ot engine
Middle of engine
Middle of engine
Middle of engine
l\,liddle of engine
Nliddle of engine
Middle ot engine
Middle of engine
Middle ot engine
Middle of engine
Middle of engine
Nliddle of engine
Right side of engine
Under right side of dash
Behind right kick panel
Below right front footrest
Below right front footrest
Below right front footrest
Below right front tootrest
Left side ot engine compartment
Left side of engine compartment
Middle of engine
liliddle ot engine
Middle of engine
Nriddle ol engine
Right side of engine compartment
Middle ol engine
Right side of engine compartment
Middle of engine
N,liddle of engine
Right side of engine compartment
Right side of engine compartment
Bight side of engine compartment
Main wire harness
CKF sensor
Engine oil pressure switch
Alternator
Alternator
No. 1 fuel injector
No. 2 fuel injector
No. 3 fuel injector
No.4 fuel injector
IAC valve
TP sensor
MAP sensor
IAT sensor
Power steering pressure switch
EVAP purge control sol€noid valve
Junction connector
Junction connector
Vehicle speed sensor (VSS)
Countershatt speed sensor
Engine coolant temperature switch
Distributor
Engine coolant temp. sending unit
ECT sensor
Primary HO2S (sensor '1)
Primary HO2S (sensor '1)
Back-up light switch
Lock-up control solenoid valves
Secondary HO2S (sensor 2)
lvlainshafl speed sensor
Lanear solenoid
Shift control solenoid valves
Starter solenoid
Junction connector
Main wire harness
ECM/PCM connector A
PCM connector B
ECM/PCNI connector C
ECM/PCl\,,| connector D
Main wire harness
Maln wire harness
Knock sensor (KS)
IAC valve
VTEC solenoid valve
VTEC pressure switch
EVAP control canister vent shut valv€
EGR control solenoid valve
Secondary gear shatt speed sensor
EGR valve
EGR valve
Drive pulley speed sensor
CVT transmission solenoid
Driven pulley speed sensor
USA
Canada
AlT
USA
'2( tr\
'3
-1 (M/r)
t\4/T'2 (Anl'1
'2 (An)'2 (Nr)'2 (AtT)
'2 (Atr)
-1 (An)-2( fi|
M/T
.1 (Arr).1 (A,T)"1 (A/r)-1 (M/r).1 (CVT),1 (cw)'1 (CVT)
203-2