connector HONDA INTEGRA 1994 4.G User Guide

Radiator
Replacement
1.Drain the engine coolant.
Remove the upper and lower radiator hoses, and ATF
cooter noses.
Disconnect the fan motor connectors.
Remove the radiator upper brackets, then pull up the
radiator.
5. Remove the fan shroud assemblies and other parts
from radiato..
lnstall the radiator in the reverse order of removal:
NOTE:
a Set the upper and lower cushions securely.
a Fill the radiator and bleed the air.4.
UPPER BRACKETAND CUSHTOl{
RADIATOR CAP
t
e
6 x l.O mm9.8 N.m (1.O kgt.m,7.2 rbf.ft)
6 x 1.0 mm9.8 il.m 11.O kgt'm,7.2 lbr.ftl
FAN MOTOR
CUSHION
SHROUDO-RINGReplace.
6 x 1.0 mm9.8 N.m ('l.O kgl.m,7.2 tbl.ttl
DRAIN PLUG
LOWER RADIATORHOSE

Fuel and Emissions
Spocial Tools ................ 1 1-2
Compon€nt Location
lndex ................. ...... 11-3
System Description
Vacuum Connectiona .......,.................... 1 1 -8
Efectrical Connections ....,.,.,......,...,,.....,'11-12
Syst€m Connectors ...,...,.................-.--. 11-2O
T.oubloshooting
Troubleshooting Guido .......................... 1 1-32
Self -diagnostic Procedures .,..,............... 1 1 -34
How to Road Flowcharts ...................,... 11-39
PGM-Fl System
Systom Description .............................. 1 l-4O
Troubleshooting Flowcharts
Engine Control Moduls ............... ........... 1 1 -42
Heated Oxygon Sensor ......,.................. 1 1-46
Heated Oxyg€n Sonsol Heatel .....,......... 1 1 -47
Fuel Supply System ..............-............... 1 1-50
Manitold Absolute Pressure
Ssnsor ............................................ 1 1-52
Top D6ad Cente./Crankshatr
Position/Cylindor Position sonsor ........ 1 1 -56
Engine Coolant Tempsrature Sonsor ....... 11-58
Throttlo Position Sonsor ........,..,,........... 1 1-60
Intake Air Temperaturs Sensor ............... 11-62
Baromet c Prsssuro Sensor ......,...,...,..,. 11-64
lgnition Output Signal ........................... 1 1 -66
Vehicle Spe€d Sensor ........................... 1 1 -68
Electdcal Load Dotector ....,...,..........,.... 1 1 -7O
Knock Sensor [818C1 engine] ............... 11-74
A/T Fl Signal A/B ................................. 1 1-76
ldle Contlol System
System Troubleshooting Guide .................. 1 1 -78
Systom Description ........ 11-79
Troubloshooting Flowchans
ldl€ Ail Control Valve ........................... 1 1 -82
Ail Conditioning Signal ......................... 1 1 -84
Altemator FR Signal ............................. 1 1 -86
Automatic Transaxle (A/T) Gear
Position Signal ......... 11-88
Brake Switch Signal ............................. 1 1 -9O
Startel Switch Signal ............................ 11-92
Power Steering Pressure Switch Signal ... 11-93
Fast ldle Thermo Valve ...................,......... 1 1 -94
ldls Speed S€tting .................................... 1 1 -95
Fuel Supply System
Systam Tloubloshooting Guid. .................. 1 1 -97
Fuol Linos ...................... 1'l -98
System Description ........ 11-100
Fuol Prassure ................. 11-100
Fu6l Ini6ctors ................. 11-102
Fuel Pressure Ragulato. .,. 11-106
Fuel Filter ...................... 11-108
Fual Pump ..................... 11-109
PGM-Fl Main F6lay ................................... 1 1"1 1 1
Fuel Tank ...................... t 1-114
Intake Air System
System Troubloshooting Guido .................. 1 1 -1 1 5
Systom Dascription ........ 11-116
Air Clean€r .................... 11-117
Throttls Cable ................'11-118
Throttl8 Body ................ 11-120
lntake Air Bypass Cont.ol Systsm
[B18Cl enginal .,......... 11-123
Intake Manilold [B1881 onginol ................. 11-128
Emission Control System
Systsm Troubleshooting Guido .................. 1 1 -1 29
Systam Doscription ........ 11-130
Tailpips Emission ........... 11-130
Thrae Way Catalytic Convortor ...,...,........., 11-131
Positiva CrankcaEo V6ntilation Systcm .,....., 11-134
Evaporativo Emission Contro|,..,..,.,.,,.,,..,.., 1 1-135

Special Tools
Ref. No I Tool Numb€rDescription I OtV I Page Reference.
o
@
@
@
@
A973X_041*XXXXX
oTJAZ -O010008
OTLAJ_PT3O1OA
oTPAZ-0010100
o7406-OO40001
Vacuum Pump/Gauge
Vacuum/Pressure Gauge 0-4 in. Hg
Test Harness
SCS Short Connector
Fuel Pressure Gauge
,l
1
1'l
1
1't -'t 20,
140
11-139,'t 1-37
I t -J.+
11-t01,
124,'137,
140
106

o
11-2

AIR CLEAI{ER IACL)Replacoment,11-117
THROTTLE BODY (T8I
Inspsction, page 1 1-120Disassembfy, page 11'122THROTTLE CABLEInsDection/Adjustment, pages 1 l-'l 18, 1 19
Inslallation, pages 1 1-1 18, 119
POSITIVE CRA KCASEvEt{TtLATtOt{ (PcVl VALVEInspection, psgo 1 l-134
INTAKEAIREYPASS IIABIco TnoLSOLENOIDVALVE (B18Cl .ngino onlylTroubl6shooting,page 1 1-124
INTAKEAIRBYPASS (IABI
co TROLOIAPHRAGM{Bl8C1 ongino onlylTroubleshooting,page 11-124
I
RESONATOR
ENGI]TE CONTROL MODULE {ECM)Selt-diagnostic Procedures, page 1 1-34Troubfeshooting, page 1 1 -42
MAIN RELAYRelay Testing, page 1 1- 111Troubleshooting, pag€ 1 1-112SERVICE CHECX CONNECTOR (2PI
56ll.diagnostic Procedures, page'l 1-34
11-5

System Description
System Connectors IEngine Compartmentl
{818C1 onginol
ENGINEWIRE HARNESS
t3
c132
c131
UNDER,HOOOFUSE/RELAYaox
c102c222
ct 04c220
MAllrlWIREHARI{ESS
o
11-20

E:I
I if,l.)
l;TYra-"wrrr. Ile llel/nEo II€ TcRNrwHrtlI ,ITwHr^rJl I
c214
ffi
c1
r+lrl2l
trtr
32
o
c112
r'ft]
IOTBLF------lla lsLx/YEL Ifo lanlr l]l
c111
6
\:-/
lI-FErwHr - l1olGuNlert l-l
cl1
3t
tr
c1c117lB18C1 engine)
/ r\
\^y
IETYEL/€Lh---llohED' ----,,
c216
^Jl
FFIN
c221
ffi
ldlcRr/vEr ---l
NOTE: a Different wires with the same color have been given a number suffix
YEL/BLK1 and YEL/BLK, are not the same).
O: Related to Fuel and Emissions System.
a - Connector of male terminals: View from terminal side- Connector of temale terminals: View from wire side
c215
r'fr]
fi'Twtl-rirllrlerrrltlerl-lfr-Twrr - lll
I@ LWHTTREO I
to distinguish them (for example,
(cont'd)
11-21
cl10
ohN/BLK l|/BL!
ALU/YEL

System Description
System Connectors [Engine Compartment] (cont'd)
c 120{81881 sngino}
(B18Cl onginol
11-22

c119
A
RP
16lwHiffiN----f
l@ lwHrnco' I| 3 laL&YEr IfrlwHrEru ---
ct 20
l8lSBt.nglnrl
ET
l6TciN-6LU-----loliEo/YEi----.
cr20(Bl8Cl .ngln l
F,-f.
\?
l6-ltR,iEit----l@ IiEp/YcL I
cr33
A
.2
|o lhEo/8llJ II-T- --.-.1
NOTE: a Different wires with the same color have been given a numbe. suffix to distinguish them (for example
YEL/BLK1 and YEL/BLK, are not the same).
O: Related to Fuel and Emissions System.a - Connector of male terminals: View from terminal sid6- Connector of female terminals: Viow from wire side
24
ffi
c 123
ffi
l6'lau,-r, ---------l
IO IYEL/8LX I
c121
fr
c3t I
O
tsF
c117
lBl88l 6nginol
EI
//t\t zt
|6-I!EUBLK --'l
lO lhEo' I
c122
ffi
cl16
FI
\2
|@|iaf,-'6trlaltrlaru----1toltEUB'.f----
ct 34
,8.
\^y
f6-IPilK/BLu---lIO IYEUBL( I
11-23

System Description
System Connectors [Dash and Floor]
PGM-FI MAINRELAY
C1I44 UNDEN-OASHFUSE/REALYBOX
ENGINECOMPARTMENTWIRE
DASHBOARO WIREHARNESS
MAINWIREHARI{ESS
REARWIREHARNESS
11-24

c4't9
234578e nc
5t6 | -
aALUfYELYEL'
c423
c431lwlthcruit€coniroll
| 'lrl
lslnl
fitr G-Fil------lo ln/Hr/68n Ilo lciN,r/vHr Il-IcRY------l
c44il
riTLF-Iffi14l51617l
lO lGRt/8LU ITitfgruffir-----lktlBrKr--I o lYcL/Gnir Ilao laLx./YEL II "] IYEUBL( Iktlterwirr ---
c431(wlthout
crui!acontrol)
-tttI
t3
l6'TwHr/cnN ----'l
1ol cRN^vHr ----l
c439
rfltrrn
I'VCT,1
lETWrr;eo---ffrlwHr. --
l3l8rK II t lBLx,REo It5 |I 6 GRN/BLX If?-TFEpcFN --
c432
ffi
c444
ffir
trtr]
I6TLK^//Hr -l
L ' l!!g!!r llo lsLkrFED I|;TBLU'BLi l]l
NOTE: a Ditterent wires with the same color have been given a number suttix to distinguish them (fot example
YEL/BLKr and YEL/BLK, are not the samel.
O: Related to Fuel and Emissions System.
a - Connector of male terminals: View from terminal side- Connector of female terminals: View from wire side(cont'd)
11-25
12313
5BLU/YEL6
a1a
20
YEL/BLK'2Ht/aluiEO/YIL15516't7
aBL&"/EL20YEL