1994 HONDA INTEGRA main fuse

lllustrated Index
CAUTION:
a All SRS electrical wiling harnesses are covered with
y€llow insulation.
a Bafore disconnecting any pan of the SRS wile har-
ness. connect the sholt connectorlsl.
a Replace the sntire aflected SRS halness assembly if
it has an open circuit or damaged wiring.
NOTE: The original radio has a coded thelt protection
circuit. Be sure to get the customer's code number before- disconnecting the battery.- removing the No. 32 (7.5 Al fuse lrom the under-
hood fuse/relav box.- removing the radio.
After service, reconnect power to the radio and turn it
on. when the word "CODE" is displayed, enter the cus-
tomer's 5-digit code to restore radio operation.
BLOWER UNITReplacement, page 21-2OOverhaul, page 21-21HEATER UNITRepfacement, page 2l 22Overhaul, page 21-24
RECIRCULATION CONTROL MOTORTest, page 21-29Replacement, page 21 29I{EATER VAIVE CABLEAdjustment, page 21-27
BLOWEN RESISTORTest, page 21-9
AIR MIX CONTROLCABLEAd,ustment, page 21-27Replacement. page 21-26
a/c swrTcH(wirh A/clTest, page 22-20
RECIRCULATIONCONTROL SWITCHTest, page 21-31
HEATER FANswtTcHTest, page 2'l-3O
MODE CONTROL MOTORTest, page 21-28Repfacement, page 21'28
MODE CONTROL SWITCHTest, page 21'31
HEATER CONTROL PANELRepf acement, page 21 -25
Overhaul, page 21-26
TEMPERATURE CONTROLLEVER(Adjustmonl: See AIR MIXCONTROL CABLE}
SRS MAIN HARNESS
W,
21-2
I

lllustrated Index
CAUTION:
. All SRS electrical wiring harnossos are cover€d withyellow insulation.
. B€fors disconnacting any part of the SRS wire har-ness, connsct the 3hort connsctor(s).. Replace the entirs affscted SRS harness assembly itit has an open circuit or damaged wiring.
NOTE; The original radio has a coded theft protection
circuit. Be sure to get the customer's code number
before- disconnecting the battery.- removing the No.32 (7.5 A) fuse from the under-
hood fuse/relay box.- removing the radio.
After service, reconnect Dower to the radio and turn it
on. When the word "CODE" is displayed, enter the cus-
tomer's 5-digit code to restore radio operation.
SRS MAIN HARNESSlcover€d with yellow insulationl
EVAPORATORReplacement, page 22-26Ovethaul. Oase 22.27
SERVICE VALVE(LOW PRESSURE SIDEI
SERVICE VALVEIHIGH PRESSURE SIDE)
RECEIVER/DRYER
CONDENSERReplacement, page 22,37
A/C PRESSURE SWITCHCOMPRESSORReplacement, page 22-30When the refrigerant pressure is below 200 kpa (2.0kqflcm,,28 psi) due to refrigerant leakage or above 3]OOkPa (32 kgf/cm,, 460 psi) due to coolant btockage, the A,/Cpressure switch opens the circuit to the A"/C switch andstops the air conditionang to protect the compressor.
22-3

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.
-+

Relay and Control Unit Locations
Dashboard and Door
CRUISE CONTROL UNIT
PGM-FIMAIN RELAY
STARTER CUT RELAY IMIT)
I wir. colo]s: BLKMHT, BLU/BLK II BLKMHT ANd BLK/RED I
Wirs colors:WHT,GBN/BLK,GRN 6nd BLK
MOONROOF RELAYREAR wlNDOW DEFOGGERFELAY
I Wiro colo6: II BLKA'EL, BLK/GBN, I
I BLUffEL 8nd BLK^^THT I
POWER WINDOWRELAY
IIORN RELAY
J wi.o color3: WHT/GRN, BLx,l
I BLU/GBN, and BLU/RED I
INTEGRATEOCONTROL UNIT
TURN SIGI{AL/HAZARDRELAY UNDEB-OASHFUSE/RELAY 8OX
23-8

Connector ldentification and Wire Harness Routing
How to ldentity ConnoctolS:
ldentification numbers have been assigned to all connectors. The number is preceded by the letter ,,C,, for connecrors,"G" for single ground terminals ot "f" hr single non-ground terminals.
Location
HamessEngino CompartmontDarhboardOthors (Floor, Door,
Trunk, Rootl
Starter cablesT1, T2, and (E
Battery ground cableG1 and O
Engine ground cable AT3
Engine ground cable BT4
G3
Under-hood ABS fuse/relav box cableT5 and (D
Engine wire harnessC101 through C134
Tl Ol and T102
G 101
A/C wire harnessCl 5'l through C156
G151
ABS modulator unit wir€ harnessC161 through C168
Engine companment wire ha.nessC3O'l through C32O
G301
Main wire hatnessC2O1 through C223
G2Ol and G2O2
C4O1 through C449
G401
Rear wire harnessC501 through C536
G501, G502 and G5O3
DashboSrd wire harnessC551 through C569
G551
Driver's door wire harnessC601 through C612
Front passenger's door wire harnessC626 through C634
Left rear door wire harness (Sedan)C651 through C654
Right rear door wire harness (Sedan)C656 through C659
Roof wire harnessC661 through C667
Heater sub-harness AC671 through C677
Heater sub-hatness BC681 through C684
ABS sub-harnessC7O1 through C7O6
G7O1, G702 and G703(Sedan)
Tailgate wire harness (Hatchback)C751 through C756
Spoiler sub-ha.ness (Hatchback)C761 through C763
Rear window defogger ground wire(Hatchback)c77'l
G771
SRS main harnessC8O1 through C8O7
G801
23-13

Gonnector ldentification and Wire Harness Routing
Startol cablos
Connector or
Terminal
Numbsr of
CavitiesLocationConnects toNotos
T1
r2
Right side of engine compartment
Right side of engine compartment
Under-hood fuse/relay box
Starter motor
@BatteryBattery positive terminal
B8ttory Ground Cable
Engine Ground Cable A
Engine Ground Cable B
A/C Wiro H81n6ss
Under-hood ABS Fus€/Relav Box Cablo
Conn€ctor or
T€rminal
Numbor of
CsvitiesLocationConnects toNotos
G1Right front shock towerBody ground, via battery ground
cable
\lBatteryBattery negative tetminal
Connoctor or
Tolminal
Number of
CavitiesLocationConnocta toNotes
T3Left side of engineValve cover
G2Left side of engine compartmentBody ground. via engine ground
wire A
Connoctor or
Torminal
Number ol
CavitiosLocationConnocts toNot€s
r4Right side of engine compartmentTransmission housing
G3Right side of front frameBody ground, via engine ground
wire B
Connoctor 01
Terminal
Numbor of
CavitiesLocationConnects toNotes
cl51
cl52
c153
c1 54
c155
c156
I
4
4
1
Right side ol engine comPartment
Left side of engine compartment
Left side of engine comPartment
Lett side ot engine compartment
Left side of engine comPanment
Left side of engine compartment
Main wire harness (C2O7)
Condenser fan relay
A/C compressor clutch relay
A/C pressure switch
Condenser fan motor
A/C compressor clutch
G151Right side of tront Jrame
Conngctor or
Terminal
Numbor ot
Caviti€sLocalionConnects loNotes
T5Right side of engine comPartmentUnder-hood ABS fuse/relay box
@Right side of engine compartmentBattery positive terminal
23-14

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
{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