1998 HONDA CIVIC C110

Connector ldentification and WireHarness Routing
Engine Wire Harness {81642 engine}: .99 - 00 models
c 101
c102
cl03
c104
c 104
c'105
c106
cl01
c108
c110
cl11
cl12
c1'13
c114
c115
c117
cl19
c120
c121
c122
c123
c124
c129
c130
c l31
c133
c134
c137
c 138
c139
c140
Left side of engine companment
Middle of engine
Middle of engine
Left side of engine compartment
Left side of engine compartmentlvliddle of engine
Middle ot engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Middle ot engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine compartment
Middle of engine
Middle of engine
Middle of engine
lMiddle of engine
Middle of engine
Middle of engine
Right side of engine compartment
Behind right kick panel
Under right side of dash
Behind right kick panel
Behind right kick panel
Middle of engine
Middle ot engine
lMiddle of engine
Middle of engine
10
2
,]
4
3
2
2
2
2
3
3
2
2
2
14
14
3
2
'10
'I
2
4
2
1
20
22
25
31
2
2
I
Main wire harness (C303)
Crankshaft speed fluctuation (CKF)
sensor
Engine oil pressure switch
Alternator
Alternator
No. 1 fuel injector
No. 2 tuel injector
No. 3 fuel injector
No. 4 fuel injector
Throttle position (TP) sensor
Manifold absolute pressure (MAP) sensorIntake air temperature (lAT) sensorPower steering pressure (PSP) swjtchEVAP purge control solenoid valve
Junction connector
Junction connector
Vehicle speed sensor (VSS)
Engine coolant temperature (ECT)
switch A
Distributor
Engine coolant temperature (ECT)
sending unit
Engine coolant temperature {ECT) sensorPrimary HO2S (sensor 1)
Back-up light switch
Starter solenoid
Junction connector
Main wire harness (C446)
ECM
ECtvl
Knock Sensor {KS)IAC valve
VTEC solenoid valve
VTEC pressure switch
USA
Canada
Left side of engine companment
Right side of engine compartment
Engine ground, via engine wire harness

tD
€8 model:"n, ctza j81
c121
cQac€0
I c129
WIREHARNESS
c,(},l
c112 c111 c110
UNDER-DASHFUSE/RELAY BOX
::::::::::: r ll:
23-35

Connector
or
Terminal
Number of
Cavitiesl
Color
LocationConnects toNotes
Engine Wire Harness (D16Y5, D16Y8 engines): '9&98 models and'9$'fl) D16Y5 dIWT (cont'd)
T101
r102
Lett side of engine
Right side of engine compartment
Alternator
Under-hood fuse/relay box
G101Right of engineEngine ground. via engine wire hamess
'1: D16Y5 engine.2: D16Yg engine'3: D16Y5 (A,/T). D16Y8 enoines'4: '96 model: dtl coupes,'97 model: all coupes, California Sedan,'98-'00 model: all
'96-'98 models and '99-'00 D16Y5 dM/T:
Ic138cl13 Tlorclllcr19 Ic109c110
c141.
T102.
c147-
cl4:t'
cl17'clal
c1|{)
cl18
c139
cl20
c129
c1a6
c1a5
€NGINE wlREHARNESS
cl l5
c116
c137
cr02
c105
c106
)-f
203-3

Connector ldentification and Wire Harness Routing
Connector
or
Terminal
Number of
Cavities/
Color
LocationConnects toNotes
Engine wire Harness (Dl6Y5, Dl6Y8 engines): '99-'00 models except D16y5 w/M/T
c 101
c102
c103
cl04
c104
c105
c106
c107
c108
c109
c110
c111
cl12
c1 13
c115
c117
c118
c119
c120
c120
c12'l
cl22
c123
c124
c124
c125
c126
c127
c128
c129
c130
c'131
c133
ct34
c 135
c137
c138
c139
c 140
c142
c143
c144
c'|45
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
8.GRY,1-BLK
2.GRY
4.GRY
4.GRY
2.GRY
2.GRY
4.GRY
2.BLK
2-BLK
2-GRY
1-BLK
2O-BRN
22-GRN
25-GRY
31-BLU
16-GRY
2-GRY
2.GRY
1-GRY
2-GRY
2-GRY
2-BLK
3.GRY
2.BLK
8-GRY
2.BLK
Left side of engine compartment
Left side of engine
Middle of engine
Left side of engine
Left side of engine
Middle ot engine
Middle of engine
N,liddle of engine
l\4iddle of engine
Middle of engine
Niliddle of engine
N,,liddle of engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Rjght side of engine compartment
Right side of engine compartment
Middle of engine
Mlddle of engine
l\4iddle of engine
Middle of engine
Middle of engine
[iliddle of engine
lvliddle of engine
Middle of engine
Middle of engine
l\4iddle of engine
Middle ol engine
Middle of engine
N,liddle of engine
Right side of engine
Under right side of dash
Behind right kick panel
Below right front tootrest
Below right front footrest
Below right lront footrest
[iliddle of engine
l\,liddle of engine
Middle of engine
Middle of engine
L4iddle of engine
Right side of engine compartment
Middle of engine
Right side of engine compartment
Right side of engine compartment
Right side ot engine compartment
Main wire harness
CKF sensor
Engine oil pressure switch
Alternator
Alternator
No. 1 fuel injector
No. 2luel injector
No. 3 fuel injector
No.4 fuel injeclor
IAC valve
TP sensor
MAP sensor
IAT sensor
Power steering pressure switch
EVAP purge control solenoid valve
Junction connector
Junction connector
Vehicle speed sensor (VSS)
Countershaft speed sensor
Engine coolant temperature switch
Distributor
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)
Mainshait speed sensor
Linear solenoid
Shift control solenoid valves
Starter solenoid
Junction Connector
Main wire harness
ECN4/PCM connector B
ECM/PCM connector C
PCM connector D
Knock sensor (KS)
IAC valve
VTEC solenoid valve
VTEC pressure switch
EGR control solenoid valve
Secondary gear shaft speed sensor
EGR valve
Drive pulley speed sensor
CVT transmission solenoid
Driven pulley speed sensor
USA
Canada
ATT
USA
'2 (An\
'1
-1 (cw)
Mft'2 lNr)'1
'2 (Afil'2 (An)'2 (Anl
Atf
t\4/T
-1 (CVr)'1 (CVT).1 (CW)-1 (CVT)'1 (CVT).1 (cw
203-4

Connector ldentification and Wire Harness Routing
Connector
or
Terminal
Number of
Cavities/
Color
LocationConnects toNotes
Engine Wire Harness (Dl6Y7): '96 model
c101
c102
c103
cl04
c104
c 105
c106
c107
c108
c109
c110
c111
c112
c11 3
c114
c115
c116
c117
c118
c119
c120
c121
c122
c123
c124
cl24
c125
c126
c127
cl28
c129
c130
c131
cl32nl2?
c134al eR
1O.GRY
3-GRY
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
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
Left side of engine compartment
Left side of engine
Middle of engine
Left side of engine
Lefl side of engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Right side of engine compartment
Right side of engine compartment
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Middle 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 footrest
Main wire harness
CKF sensor
Engine oil pressure switch
Alternator
Altemator
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 solenoid valve
Junction connector
Junction connector
Vehicle speed sensor (VSS)
Countershaft speed sensor
Engine coolant temperature switch
Distributor
Engine coolant temperaturesending unit
ECT sensor
Primary HO2S (sensor 1)
Back-up light switch
Lock-up control solenoid valves
Secondary HO2S (sensor 2)
Mainshaft speed sensor
Linear solenoid
Shift control solenoid valves
Starter solenoid
Junction Connector
Main wire harness
ECM/PCM connector A
PCM connector B
ECM/PCM connector C
ECM/PCM connector D
USA
Canada
A/T
USA
Atf
Aff
M/T
Arl
AtT
A/T
Afi
T101
T102
Left side of engine compartment
Right side of engine compartment
Alternator
Under-hood fuse/relay box
G101Right side of englneEngine ground, via engine wirenarness
203-6

Connector ldentification and Wire Harness Routing
Connector
or
Terminal
Number of
Cavities/
Color
LocationConnects toNoles
Engine Wire Harness (Dl6Y7 engine): '97-'98 models
c101
c102
c103
c104
c104
c105
c106
c107
c108
c109
c110
c111
c113
c114
c115
c116
c118
c119
c'120
c121
c122
c124
c124
c125
c126
c127
c128
c129
cl30
c131
c132
c133
c134
c135
\, | 'tO
c141
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
lO.GRY
1-BLK
2-GRY
4.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
8-GRY
2-BLK
Lefl side of engine compartment
Lett side of engine
Middle of engine
Left side of engine
Lefl side of engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Right side of engine compartment
Right side of ongine compartmont
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Middl€ of engine
Middle of engine
Middle of engine
Middle of engine
Right side of engine
Under right sido of dash
Behind right kick panel
Below right front footrest
Below right front footrest
Below right front footrest
Below right front footrest
Left side of engine compartment
Right side of engine compartmsnt
Main wire hamess
CKF sensor
Engine oil pressure switch
Alternator
Altemator
No. 1 fuel injector
No. 2 fuel iniector
No. 3 fuel iniector
No. 4 fuel injector
IAC valve
TP sensor
MAP sensor
IAT sensor
Power steering pressur€ switch
EVAP purge control solenoid valve
Junction connector
Junction connector
Vehicle speed sensor (VSS)
Countershaft speed sensor
Engine coolant temperature switch
Distributor
Engine coolant temperatu resenorng unI
ECT sensor
Primary HO2S (sensor 1)
Back-up light switch
Lock-up control solenoid valves
Secondary HO2S (sensor 2)
Mainshaft speed sensor
Linear solenoid
Shift conirol solenoid valves
Starter solenoid
Junclion connector
Main wire harness
ECM/PCM connector A
PCM connector B
ECM/PCM connector C
ECM/PCM connsctor D
Main wire harness
EVAP control canister vent shutVAIVE
USA
Canada
USA
Nf
A/T
M/T
A/T
Atl
An
AIT
NT
T101
T102
Left side of engine
Right side of engine compartment
Altemator
Under-hood fuse/relay box
G101Right side of engineEngine ground, via enginewtre narness
203-8

Connector ldentification and Wire Harness Routino
Conneclor
or
Terminal
Number of
Cavities/
Color
LocationConnects toNotes
Engine Wire Harness (Dl6Y7 engine): '99100 models
c101
Q102
c103
c104
c104
c105
UIUO
c107
c108
c109
c110
c111
c112
c113
c114
c11s
c116
c117
c118
c119
c120
c121
c122
c123
c124
cl24
c126
c\27
cl28
cl29
c 130
c131
c'133
c134
v tJc
1O-GRY
3.GRY
1-CLR
4-GRN
3.N/A
2-BLK
2.BTK
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
8-GRY
1.BLK
2-GRY
4-GRY
2-GRY
2-GRY
4.GRY
2-BLK
2-BLK
2-GRY
1-BLK
2O.BRN
22-GRN
25-GRY
31 -BLU
16-GRY
Left side of engine compartment
Left side of engine
Middle of engine
Left side of engine
Left side of engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Middle ol engine
Middle of engine
Middle of engine
Middle of engine
Right side of engine compartment
Right side of engine compartment
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Middle 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
Main wire harness
CKF sensor
Engine oil pressure switch
Alternator
Altemator
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 solenoid valve
Junction connector
Junction connector
Vehicle speed sensor (VSS)
Countershaft speed sensor
Engino coolant temperature switch
Distributor
Engine coolant temperature
sending unit
ECT sensor
Primary HO2S (sensor 1)
Back-up light switch
Lock-up control solenoid valves
Secondary H02S (sensor 2)
Mainshatt speed sensor
Linear solenoid
Shifi control solenoid valves
Starter solenoid
Junction connector
Main wire harness
ECM/PCM connector B
ECM/PCM connector C
PCM connector D
USA
Canada
USA
AIT
Mrl
Atf
AN
A/T
AlT
Afi
T101
r'l02
Left side of engine
Right side of engine compartment
Alternator
Under-hood fuse/relay box
G 101Right side of engineEngine ground, via engine wirenarness
203-10

Connector ldentification and Wire Harness Routinq
Connector
oa
Terminal
Number ot
Cavities/
Color
LocationConnects toNotes
Engine Wire Harness (816A2 engine): '99;00 models
c101
c102
c103
c104
c104
cl05
c106
c107
c108
c110
c111
c112
c113
c114
c115
c116
cl17
c119
c120
c121
c't22
c123
c124
c129
c130
c131
c133
c134
c137
c138
c140
1O-GRY
2-GRY
1.CLR
4-GRN
3.N/A
2-BLK
2-BLK
2-BLK
2-BLK
3.GRY
3.GRY
2-BLK
2-GRY
2-BLK
14-BLU
14-GRY
3-GRY
2-GRY
1O-GRY
1-BLK
2-GRY
4-GRY
2-GRY
1-BLK
2O.BRN
22-GRN
25-GRY
31-BLU
2-GRY
2-GRY
1-GRY
2-GRY
Left side of engine compartmenl
Lett side of engine
Middle of engine
Left side of engine
Left side of engine
Middle of engine
Middle of engine
Middle of engine
Middle ol engine
Middle of engine
Middle of engine
Middle of engine
Middle ot engine
Middle of engine
Middle of engine
Middle of engine
Right side of engine companment
Middle ot engine
Middle of engine
Middle of engine
Middle ot engine
Middle ot engine
Middle of engine
Right side of engine
Under right side of dash
Behind right kick panel
Below right tront footrest
Below right front footrest
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Main wire harness
CKF sensor
Engine oil pressure switch
Alternator
Altemator
No. 1 fuel injector
No. 2 fuel injector
No. 3 fuel injector
No. 4 fuel injector
TP sensor
MAP sensor
IAT sensor
Power steering pressure switch
EVAP purge control solenoid valve
Junction connector
Junction connector
Vehicle speed sensor (VSS)
Engine coolant temperature switch
Distributor
Engine coolant temperaturesending unit
ECT sensor
Primary HO2S (sensor 1)
Back-up light switch
Starter solenoid
Junction connector
Main wire harness
ECM connector B
ECM connector C
Knock Sensor (KS)
IAC valve
VTEC solenoid valve
VTEC pressure switch
USA
Canada
USA
T101
T102
Lett side of engine
Right side of engine compartment
Alternator
Under-hood fuse/relay box
G101Right side of engineEngine ground, via engine wirenarness
203-12
a