1994 HONDA INTEGRA light

Electrical
Special Tools
Troubleshooting
Tips and Precautions ................................ 23-3Five-stop Tloubleshooting ..............,...-..-... Z3-sSchematic Symbols ................................_. 23-6wire Color Cod€s ..................................... 23-6Relay and Control Unit Locations
Engine Compartment .........,............ ... --. 23-7Dsshboard and Door ..,,......................... 23-gDashboard and Floor ............................. 23-t OOuaner Panel .....-.....23-12Connector ldentification and WireHarness Routing ........ 23-i 3
Index to Circuits and Systems
Airbag ............... ...-..-... 2g-26sAir Conditioning ....,.. Section 2lAltelnator ......_.............. 23-99Anti-lock Brake Systsm (ABS) Section 19Automatic Transmission Section 14Battery .............. .......... 23-66Chafging System ........... 23-98rCigalstte Lighter .....................-...-......-..-.. Z3-2O4Cfock ................. ..........23-197rcruise Controf .......--..-... 23-242Distributor .................... 23-87Fan Controls ................. 23-1ogFuel and Emissions ... Section 1i*Fuses
Under-dash Fuse/Relay Box ................... 23-48Undor-hood ABS Fuse/Retay Box ............ 23-51Under-hood Fuse/Relay Box,.................. 23-52rGauges
Engine Coolant Temperature {ECT)Gauge ................ ..23-126Fuef cauge ............... 2g-123'Gauge Assembly ....--.23-113Speedometer .....-...,,. 23-114Tachometer .....,.....-.. 23-114Ground Distribution ........ 23-60Heater ,,,........,.... ..... Section 2lrHorn ................. ........... 23-199*fgnition Switch ............. 23-70fgnition Syst6m .......-..-.. 23-A7lgnition Timing .............. 23-89Indicator Lights"A/T Gear Position .............. ................... 23-1 32B1ak6 System ...,..,..-.23-127Engine Oil Pressura .............................. _ 23-1 51Low Fuel ............ ......23-125Malfunction Indicator Lamp {MlL} ...,,. Section I l
tfnteglated Control Unit ...29-144*lnterlock System ...................................... 23-1 3gLights, Exteriol
Back-up Lights ........... 23-179Brake Lights .............. 23-t8ltDaytime Running Lights {Csnada} ........... 23-156Front Palking Lights ............................. 23-1 65Flont Side Marker Lights ....................... 23-165Front Turn Signal Lights ........................ 23-1 65*Hazard Warning Lights .........................- 2g-1A4Headlights ................. 23-t6tLicense Plate Lights .............................. 23-1 69Taillights(Harchback) .......... 23-166
{Sedan) .............. .. 23-167Lights. Inteliol
Cargo Area Light {Hatchback) ...... -.. -.. -... 23-177Ceifing Light ........-..-.23-175
Dash Lights Blightness Controt .............. 23-t70Glove Box Lighr ................................... 23-1 69Spotfighr ............ ....-.23-174Trunk Light (Sedanl ............... .............. - 23.-177*Lighting Sysrem .......-.-... 23-152:Moonroof ,,.,.......,..,,,,,.-.23-211PGM-FI Systom ........ S€crion 11Power Distribution .,.-..--..23-54Power Door Locks .............,,..................... 23-233Power Mirors ..,..,....-...- 23-216Power Relays ...........,..... 23-68Power Windows ............ 29-222*Rear Window Defogger ........,... ..........,..... - 23-20,6Reminder Systems
Key-in Remindel System ....,.............,.... 23-1 50Lights-on Reminder System ................... 23-l 5f*Maintenance Reminder system ..,,.... -.. - -. 23-.1 2gSeat Belt Reminder System ..................- 23-125*Side Markel/Turn Signal/Hazard
Ffasher System .,..,..-.23.-1A4Spark Pfugs .........-...-..... 23-97Starting System ....,,.....-. 23-73*Stereo Sound System ...,.......................,,.. 23-l gg
Supplemental Restraint System {SRS} ......... 23-265Vehicfe Speed Sensor {VSS) .............--..-.... 23-122*Wiper/Washer Systom ...............--.........-..- Zg-254
rRead SRS pi€cautions on Page 23-271 betore workingin these areas.
-+

Troubleshooting
Schematic Symbolsym
BATTERY
le @l
ll
e-
GROIGround terminal
I
,ltDComponont ground
I
FUSECOIL, SOLENOID
H
CIGANETTE LIGHTER
A
t+j
RESISTOR
+
VARIABLE RESISTOR
ilH
THERMISTOR
e
tcNtTtol{ swTcH
-1o oF
BULB
e
HEATER
H
MOTOR
a
PUMP
0
CIRCUIT BREA(ER
I
T
HORI'
+
DIODE
+
SPEATER, BUZZER
D
Mast
Y
ANTIINNATRA SISTOR lTrl
II
Wire Golor Codes
The tollowing abbreviations are used to identity wire
colors in th€ circuit schematics:
wHT ............ White
YEL .............. Y6llow
BLK .............. Black
BLU .............. Blue
GRN ............. Green
RED.............. Red
ORN ............. Orange
PNK .............. Pink
BRN .............. Brown
GRY ............. Gray
PUR .............. Purple
LT BLU ......... Light Blue
LT GRN ......... Light Gr€en
The wi.e insulation has one color or one color with
another color stripe. The s€cond color is the stripe.
WHT/ALK
,/t,/l./l-- R
RELAY {ln noNormally open relayrmal poritionl
Normally closed relay
*Gt-i- |
lll
l'*^f
CO'IDENSER
I
T
SWITCH (ln ngrmal position)
Normally open ' Normally closodswitch I switch
til
@@
lil
LIGHT EMITTINGDIODE (LEDI
A[,
TT
CONNEInpur
f7
I
CTIONOutput
I\/
CONNECTON
--+>-
tl'l
BEED SWITCH
A
lril
Y
23-6

Gonnector ldentification and Wire Harness Routing
Engine Wire Harness {B1881engine)
Connector 01
Terminal
Number of
CavitiesLocationConnects ioNotes
c10'l
c102
c103
c104
c 105
c106
c107
c108
c108
c109
c110
c111
c113
c114
c115
Lt to
c117
c118
c119
c't 20
c121
c122
c123
cl24
c125
c't26
c127
c128
c129
c130
10
14
6
1
1
2
2
8
2
3
t
1
2
2)
2
8
14
2
2
Right side of engine compartment
Right side of engine compartment
Right side of engine compartment
Right side ol engine compartment
Right side of engine compartment
Right side of engine
Right side ol engine
Transmission
Transmission
Middle of engine
lvliddle of engine
Right side ot engine
Right side of engine compartment
ldiddle rear of engine compartment
Middle of engine
Middle ol engine
Middle of engine
Middle of engine
Middle ot engine
Left side of engine
lvliddle of engine
Middle of engine
Middle of engine
Middle ot engine
Middle ol engine
Left side of engine compartment
Left side of engine compartment
Left side of engine compartment
Transmission
Transmission
Transmission
Main wire harness (C221)
Main wire harness {C222}
Main wire harness (C223)
Main wire harness {C220)
Starter solenoid
Engine coolant temperature {ECT)
sensor
Engine coolant temperature (ECT)
gauge sending unit
Back'up light switch
Lock-up control solenoid valve A and B
lgnition coil
Top dead center/Crankshaft
position/Cylinder position
(TDC/CKP/CYP) sensor
Engine coolant temperature (ECT)
switch
Vehicle speed sensor (VSS)
Heated oxygen sensor (HO2S)
MAP sensor
Throttle position (TP) sensor
ldle air control (lAC) valve
Evaporative emission (EVAPI purge
control solenoid valve
Engine oil pressure switch
Alternator
Intake air temperature {lAT} sensor
No. 'l fuel injector
No. 2 tuel injector
No. 3 fuel injector
No. 4 fuel injector
Junction connector
Engine compartment wire harness
(c304)
Engine compartmenl wire harness
(c305)
Shift control solenoid valve A and B
Countershait speed sensor
Mainshaft speed sensor
M/T
NT
NT
NT
T 101
r102
Lelt side oI engine
Right side of engine compartment
Alternator
Under-hood tuse/relay box
G 101Right side of engineEngine ground, via engine wire
harness
23-16

Gonnector ldentification and Wire Harness Routing
Engine Wire Harnoss (B18Cl enginol
Connoctor 01
Totminal
umbor ol
Cavitio8LocationConnecla tof{orc!
c 101
cl 02
c103
c104
c105
c106
c107
c108
c109
c110
c111
cl12
c113
c114
c115
c116
c117
c1r8
c119
c120
cl2'l
c122
c123
c124
c125
c't26
c'127
c 131
c132
c133
c134
2
J
4
3
'I
4
2
I
2
't4
1
4
10
14
,l
2
2
8
Right side of engine compartment
Right side of engine compartment
Right side ot engine comPanment
Right side of engine compartmsnt
Right side of engine compartment
Righr side ot engine
Right side of engine
Transmission
Middle ol engine
Middle oJ engine
Right side of engine
Right side ot engine comPartment
Middl€ reat of engine compartment
Middle of engine
Middle of engine
Middle ol engine
Middle o{ engine
Middle of engine
Lelt side ot engine
Middle of engine
Middle of engine
Middle ol engine
Middle ot engine
Middle of engine
Left side of engine companment
Lelt side ot engine compartment
Left side of engine compartment
Right side ot engine
Right sid€ of engine
Middle ot engine
Middle of engine
Main wire harness (C221)
Main wire harness (C222)
Main wire harness (C223)
Main wire harness (C22O)
Starter solenoid
Engine coolant temperature (ECT)
sensor
Engine coolant temperature {ECTI
gauge sending unit
Back-up light switch
lgnition coil
Top dead center/Crankshaft
position/Cylind€r Position(TDC/CKP/CYP) sensor
Engine coolant temperature {ECT)
switch
Vehicle speed sensor (VSS)
Hsated oxygen sensor {HO2S}
MAP sensor
Throttle position {TPl sensor
ldle air control (lAC) valve
Evaporative emission {EVAPI purge
control solenoid valve
Engine oil pressure switch
Alt€rnatot
Intake 8ir temperature (lAT) ssnsor
No. 1 fuel injector
No. 2 fuel iniector
No. 3 fuel injeclor
No. 4 fuel injector
Junction connector
Engine compartment ware harness
{c304)
Engine comPanment wire harness
(c305)
VTEC solenoid valve
VTEC oil pressure switch
Knock sensor (KS)
Intaka air bypass (lAB) control sole-
noid valve
T101
r102
Left side of engine
Right sid6 ot engine compartment
Alternator
Under-hood fuse/relay box
G 101Right side of engineEngine ground, via engine wire
harness
23-18

Connector ldentification and Wire Harness Routing
ABS Modulatol Unit Wile Harness
Engine Compartmont Wile Hatnaaa
Connoctor or
Torminal
Numbor ot
CaviiieELocationConnocta tooies
Ltol
c162
c163
c164
c165
c166
c't 67
c168
't4
2
2
Right side of engine comPartment
ABS modulator unit
ABS modulator unit
ABS modulator unit
ABS modulator unit
ABS modulator unit
ABS modulator unit
ABS modulator unat
Main wire harness (c21 1)
ABS Dressure switch
ABS right Jront solenoid (OUT)
ABS right front solenoid (lN)
ABS rear solenoid (OUT)
ABS rear solenoid llN)
ABS le{t front solenoid {OUT)
ABS left tront solenoid (lNl
Connector or
Tolminal
Numbd of
CaviliesLocationConnocta tot{oioE
c301
c302
c303
c304
c305
c306
c307
c308
c309
c310
c31 1
c312
c313
c314
c315
c316
c317
c318
c319
c320
20
20
1
2
14
2
1
1
2
4
2
2
1
2
2
5
Behind left kick Panel
Behind left kick panel
Behind lett kick Panel
Left side of engine compartment
Left side of engine comPartment
Left side of engine comPartment
Left side o{ engine comPartment
Left side of engine comPartment
Left side of engine compartment
Lelt side oJ engine comPartment
Middle of engine comPartment
Left side of engine comPartment
Left side oJ engine comPafiment
Behind leJt headlight
Behind left headlight
Behind left headlight
Behind left corner ot front
bumper
Behind lett corner ot front
DUmper
Behind left corner of ftont
DUmper
Behind left cornet of front
DUmper
Main wire harness (C4231
Main wire harness (C424)
Front fog light sYstem
Engine wire harness (C126)
Engine wire harness (C 127)
Test tachometer connector
Daytime running lights resistor
Windshi€ld wiper motot
Brake fluid level sensor ( + |
Brake fluid level sensor (- )
Power steering pressure (PSPI
Lett front wheel sensor
Cruise control actuator
Left headlight (Low beam)
LeJ-t headlight (High beam)
Front fog light system
Windshield washer motor
switch
Rear window washer motor
Left front side matker light
Left front tu.n signal/parking lights
USA
ABS
Option
Canada
Option
G301Lett side of engine comPartmentBody ground, via engine comPart-
ment wire harness
23-20

Connector ldentification and Wire Harness Routing
{Undor-hood
Horn
Right tront turn signal/Parking
light
Right Iront side marker light
Right headlight (Low beam)
Right headlight (High beam)
Radiator fan motor
A/C wire harness (C151)
ABS front fail saJe relay
ABS rear fail sate relay
ABS pump motor
ABS modulator unit wire harness
(c161)
Under-hood ABS fuse/relaY box
(c901)
Under-hood ABS fuse/relaY box
(c902)
Under-hood fuse/relay box (C907)
Under-hood tuse/relaY box (C909)
Under-hood fuse/relay box (C9l Ol
Under-hood fuse/relaY box (C908)
Under-hood fuse/relaY box (C91 1)
Right front wheel sensor
Engine wire harness {C 104)
Engine wire harness (C'l 04)
Engine wire harness (C101)
Engine wire harness (C l 02)
Engine wire harness {C 103)
Behind right side of tront bumper
Behind right corner of tront
bumper
Behind right corner of front
bumpet
Behind right headlight
Behind right headlight
Right side of engine comPartment
Right side of engine comPartment
Right side ot engine comPartment
Right side oJ engine comPartment
Right side of engine comPartment
Right side oJ engine comPartment
Right side of engine comPartment
Right side of engine comPartment
Bight side ot engine comPattment
Right side of engine comPartment
Right side of engine comPartment
Right side of engine comPartment
Right side of engine comPartment
Right side of engine comPartment
Right side of engine comPartment
Righl side ot engine comPartmenl
Right side of engine compartmenl
Right side of engine comPartmen'
Right side of engine comPartment
8
4
14
7
J
2
c201
c202
c203
c204
c205
c206
c207
c208
c209
c210
c211
c212
c213
c214
c215
c216
c217
c218
c219
c220
c220
c221
c222
c223
Body ground, via main wire
harness
Body ground, via main wire
harness
Right side of engine compartment
Right side of engine comPartment
23-22

Connector ldentification and Wire Harness Routing
Msin Wiie Harness (Left branch)
Connector or
Terminal
Numbel ot
CavitiesLocationConnects toNotes
c411
c412
c413
c414
c415
c416
c4'17
c418
c419
c420
c42'l
c423
c424
c425
c426
c427
c42A
c429
c430
c431
c43l
c432
c433
c434
c435
c436
c437
c438
c439
c440
c44'l
c442
c443
c444
c445
c446
c447
c448
c449
26
10
20
20
14
8
4
I
14
20
22
't4
4
2
10
4
7
4
o
7
I
7
22
6
4
7
4
15
to
Center floor
Center floor
Center floor
Under left side ot dash
Behind left kick panel
Behind left kick panel
Behind left kick panel
Behind left kick panel
Behind left kick panel
Behind left kick panel
Behind left kick panel
Behind left kick panel
Under left side of dash
Under left side of dash
Under lett side of dash
Under left side ot dash
Under lett side of dash
Under lett side of dash
Under lett side of dash
Under lett side of dash
Under lett side ot dash
Under left side of dash
Under left side ol 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 dashboard lower cover
Behind dashboard lower cover
Behind dashboard lower cover
Under left side of dash
Under left side of dash
Under left side of dash
Under lett side of dash
Under left side of dash
Behind under-dash fuse/relay box
Under left side ot dash
Behind dashboard lower cover
Behind dashboard lower cover
A/T gear position console light
Shift lock solenoid
A/T gear position switch
Interlock control unit
Daytime running lights control unit
Daytime running lights control unil
Cruise control unit
Junction connector
Transmission control module
(TCM)
Transmission controi module
{TCM)
Rear wire harness (C501)
Rear wire harness {C502)
Engine compartment wire harness
(c301)
Engine compartment wire harness
(c302)
Roof wire harness (C663)
Security system (Option)
SRS main harness (C802)
Clutch interlock switch
Clutch switch (Cruise control)
Dashboard wire harness (C552)
Brake switch (Without cruise
control)
Brake switch (With cruise control)
lgnition switch
Security system (Option)
Combination light switch
Combination light switch
Combination light switch
Combination light switch
Under-dash fuse/relay box {C9131
Under-dash fuse/relay box {C9161
Underdash tuse/relay box (C9'l 7l
Security system (Option)
Security system {Option)
PGM-FI main relay
Starter cut relay
Rear window defoqger relay
Integrated cont.ol unit
Security system {Option)
Horn relay
Dashboard wire harness (C553)
Afi
AiT
Afi
Afi
Canada
Canada
Arf
An
Canada
Canada
M/T
M/T
Atr
Canada
Canada
M/T
Canada
G401Behind left kick panelBody ground, via main wire
harness
23-26

Connector ldentification and Wire Harness Routing
Roar wiro Harn$s (Hatchbsckl
Connector or
Torminal
Numbor of
CavitiosLocationConnecta tollotos
c501
c502
c503
c504
c505
c506
c507
c508
c509
LStt
c51 1
c512
c513
c514
c515
c516
c517
c5r 8
c519
c520
c521
c522
c523
c524
c525
c526
10'14
10
12
25
2
1
1
2
I
2
20
20
2
6
b
2
2
2
4
Behind left kick panel
Behind left kick panel
Behind dashboard lower cover
Behind dashboard lower cover
Behind dashboard lower cover
Driver's door
Center tloor
Center lloor
Left qusrter panel
Fuel tank
Fuel tsnk
Right quarter panel
Right quarter panel
Left quarter panel
Left quarter panel
Left quarter panel
Left quarter panel
Left side corner of cargo area
L€ft side corner of cargo area
Left side corner of cargo area
Left rear corner of cargo area
Center ot cargo area bulkhead
Right rear cornor oJ cargo area
Center of cargo area bulkhsad
Right side of cargo area
Right side of cargo area
Main wire harness (C4211
Main wire harness (C422)
Under-dash fuse/relay box (C912)
Under-dash fuse/relay box (C91 5)
Dashboard wire harness (C554)
Driver's door wire harness {C6011
Driver's seat belt switch
Palking brake switch
Driver's door switch
Fuel pump
Fuel gauge sending unit
Passenger's door switch
Right rear speaket
Left rear speaker
Noise condenser
Connector C517
Connector C516
Power antenna motor
Cargo area light
Traile. lighting connector
LeJt taillight
License plate lights
Right taillight
Tailgate latch switch
Tailgate wire harness (C752)
Tailgate wire harness (C751)
G501
G502
G503
Behind left kick psnel
Left side of Jloor
Center ot cargo area bulkhead
Body ground, via rear wire
harness
Body ground, via rear wire
harness
Body ground, via rear wire
harness
23-28