1998 HONDA CIVIC temperature sensor

System Description
Vacuum Connections (cont'd)
D16Y5 engine ('98 modet):
-: Vacuum hose No,*: CW only
(9 POSITIVE CRANKCASE VENTILATION {PCV} VALVE?!J EXHAUST GAS BECIRCULATION (EGR}CONTROLSOLENOIO VALVE'1 ExHAUST GAs RECIRCULATIoN IEGRI VALVE22 EXHAUST GAS RECIRCULATION {EGR} VALVE LIFISENSOR€J EvApoRATtvE EMtsstoN {EvAp} puRGE coNTRoLSOLENOID VALVEq4 PURGE JOINT@ EVAPoRATIVE EMIssIoN {EVAP) coNTRoL CANISTER@ EVAPORATIVE EMISSION IEVAP} BYPASS SOLENOIDVALVE?? EVAPORATIVE EMISSION {EVAP) THREE WAY VALVEITII EVAPORATIVE EMISSION IEVAP} CONTROL CANISTERVENT SHUT VALVEO FUEL TANK PRESSURE sENsoRQlI EVAPORATIVE EMISSION {EVAP}TWO WAY VALVE8' THREE WAY CATALYTIC CONVERTER {TWCI
il) PRIMAFY HEATED OXYGEN SENSOR IPRIMARY HO2S.SENSOR 1)O SECoNDARY HEATEo oxYGEN sENsoR {sEcoNDARYHO2S. SENSOB 2)iq] MANIFOLD ABSOLUTE PRESSURE (MAPI SENSORO ENGINE COOLANT TEMPERATURE IECT) SENSOR5 INTAKE AIR TEMPERATURE {IATI SENSOR! KNOCK SENSOR tKSlO CRANKSHAFT SPEED FLUCTUATIoN {cKF) sENsoFO IDLE AIR coNTRoL {IAc) vALvE99 THROTTLE BODY ITBI@ FUEL INJECToRO FUEL PULSATION DAMPER@ FUEL F -TER@ FUEL PRESSURE REGULAToR[4 FUEL PUMP IFPI(9 FUEL TANK(D FUEL TANK EVAPoRATIVE EMIssIoN IEVAPI VALVEO' AIR CLEANER(D RESoNAToR
11-20

D16Y5 engine ('99 - 00 modelsl:
O) PRIMARY HEATED OXYGEN SENSOR (PBIMARY HO2S,
SENSOR 1)
O SECONDARY HEATEO OXYGEN SENSOR {SECONDARY
HO2S. SENSOR 2)
6] MANIFOLD ABSOLUTE PRESSURE IMAPI SENSOR
rO CruCIruC COOUruT TEMPERATURE IECTI SENSOR
o rrurlxe ln ETUpERATURE 0AT) SENSOR
.d KNOCK SENSOR (KS}
O CN,NruXSXITT SP:ED FLUCTUATION (CKFI SENSOR
@ rou an corurnoL 0Ac) valvE
O THROTTLE BODY (TB)
@ FUEL INJECTOR
E) FUEL PULSATION OAMPER
t? FUEL FILTER
G) FUEL PRESSURE REGULATOR
OI FUEL PUMP (FP)
Gi FUEL TANK
G) AIR CLEANERfi? RESONATOR
Gl posmvr cnglrcAsE VENTILATION (PCV) VALVE
@ EXHAUST GAS RECIRCULATION IEGR} CONTROL
SOLENOID VALVE6 EXHAUST GAS RECTRCULATION (EGR) VAI-VE
rf exxlust cls nectRcuLATloN IEGR) vALvE LIFT
SENSOR@ EVAPORATIVE EMISSION (EVAPI PURGE CONTNOL
SOLENOID VALVE
O} PURGE JOINTio :vaponanve eutssloN (EVAP) coNTRoL cANlsrER
d rvlponlrtve EmtsstoN tEvAPl BYPASS soL-eNolD
VALVE
6 EVAPORATIVE EMISSION {EVAP) CONIROL CANISTER
FILTER
@ EVAPORATIVE EMISSION (EVAPI CONTROL CANISTER
VENT SHUT VALVEOA FUEL TANK PRESSURE SENSOR
6 :vlponlnvg er,/tlssloN tEvAPl TWO WAY VALVE
6 oNgoano nerueltNc vAPoR REcovERY {onvRl VENT
SHUT VALVE
€!) ONBOARD REFUELING VAPOR RECOVERY (ORVRI VAPOR
RECIBCULATION VALVE
@ THREE WAY CATALYTIC CONVERTER (TWCI
(cont'd)
11-21
L

System Description
Vacuum Connections (cont'd)
D16Y8 engine ('96 sedan, '97 sedan: KA, KC modelsl:
PRIMARY HEATED OXYGEN SENSOR (PRIMARY HO2S.SENSOR SECONOARY HEATED OXYGEN SENSOR {SECONDARYHO2S, SENSOR 2lMANIFOLD ABSOLUTE PRESSUBE {MAPI SENSORENGINE COOLANT TEMPERATURE {ECTI SENSORINTAKE AIR TEMPERATUFE IIATI SENSORKNOCK SENSOR IKSICRANKSHAFT SPEED FLUCTUATION {CKFI SENSORIDLE AIR CONTROL IIACI VALVETHROTTLE EODY (T8)FUEL INJECTORFUEL FILTER
FUEL PRESSURE REGULATORFUEL PUMP {FPIFUEL TANKFUEL TANK EVAPORATIVE EMISSION IEVAP} VALVEAIR CLEANERRESONATORPOSITIVE CRANKCASE VENTILATION {PCV} VALVEEVAPORATIVE EMISSION IEVAP) PURGE CONTROLSOLENOID VALVEEVAPORATIVE EMISSION IEVAPI CONTROL CANISTEREVAFORATIVE EMISSION IEVAP} TWO WAY VALVETHREE WAY CATALYTIC CONVERTER (TWC'
{M/T}
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(A/T)
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11-22

D16Y8 engine l'96 coupe.'97 coup6: all models.'97 sodan: KL modol.'98 modell:
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PRIMARY HEATEO OXYGEN SENSOR IPRIMARY HO2S,
SENSOR 1)SECONDARY HEATED OXYGEN SENSOR ISECONDARY
HO2S. SENSOR 2l
MANIFOLD ABSOLUTE PRESSURE IMAPI SENSOR
ENGINE COOLANT TEMPERATURE IECTI SENSOR
INTAKE AIR TEMPERATURE (IATI SENSOR
KNOCK SENSOR {KS)CRANKSHAFT SPEED FLUCTUATION ICKFI SENSOR
IOLE AIR CONTROL {IAC) VALVE
THROTTLE BODY ITBIFUEL INJECTORFUEL FILTERFUELPRESSURE REGULATOR
FUEL PUMP IFPIFUEL TANKFUEL TANK EVAPORATIVE EMISSION IEVAP)VALVE
AIR CLEANERRESONATORPOSITIVE CRANKCASE VENTILATION (PCV) VALVE
EVAPORATIVE EMISSION IEVAPI PURGE CONTROL
SOLENOID VALVEEVAPORATIVE EMISSION {EVAPI CONTROL CANISIER
EVAPORATIVE EMISSION IEVAPI BYPASS SOLENOIO
VALVEEVAPORATIVE EMISSION {EVAPI THREE WAY VALVE
EVAPORATIVE EMISSION IEVAPI CONTROL CANISTER
VENT SHUT VALVEFUEL TANK PRESSUFE SENSOREVAPORATIVE EMISSION IEVAP) TWO WAY VALVE
THREE WAY CATALYTIC CONVERTER ITWCI
@o@@
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@@
@@@
(cont'd)
11-23

System Description
Vacuum Connections (cont'dl
D16Y8 engine l'99 - 00 modetsl:
(]-i PAIMARY HEATEO OXYGEN SENSOR {PRIMARY HO2S,SENSOR 1)..2r SECONOARY HEATEO OXycEN SENSOB ISECONDARYHO2S, SENSOR 2li3) MANIFOLD ABSOLUTE PBESSURE {MAPI SENSORO ENGINE cooLANT TEMPERATURE (ECTI sENsoR(5) INTAKE AIR TEMPERATURE {IAT} sENsoRG] KNOCK SENSOR IKSI?r CRANKSHAFT SPEEo FLUCTUATTON {CKF) SENSOR.O IDLE AIR coNTRoL {IAc)vALvEi-9] THROTTLE BOOY {TB)(O FUEL INJECToRI]'i FUEL FILTER.O FUEL PRESSURE REGULAToR[t FUEL PUMP {FPl.D FUEL TANKil' AIR CLEANERTD RESONATORO FUEL TNJEC oN AtR tFtA) coNTRoL vAt_vE.19 POSITIVE CRANKCASE VENTILATION {PCVI VALVE
.19) EVAPORATIVE EMIssIoN {EVAP) PURGE coNTBoLSOLENOID VALVE€g PURGE JorNTtj EVApoRATtvE EMtsstoN {Evap} coNTRoL cANtsTERC4 EVAPONANVE EMISSION (EVAP) BYPASS SOLENOIDVALVE
?3 EVAPORATIVE EMISSION {EVAP} CONTROL CANISTERFILTERA4 EVAPoBATIVE EMIssIoN (EVAP) coNTRoL CANISTERVENT SHUT VALVEC! FUEL TANK PRESSURE sENsoREO EVAPOBATIVE EMISSION (EVAP) TWO WAY VALVEe? oNBoARD REFUELtiIG vApoR REcovERy {oRvR} VENTSHUT VALVE@ oNBoARD REFUELTNG vapoR REcovERy (oRvR) vapoRRECIRCULATION VALVEiP THREE WAY CATAI.YTIC CONVEBTER {TWCI
'- *o'*- -
COOLANT
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--j IIM TTI ^n 14 [l(2i)-fr l-1ry|
11-24

|-
DI6YTengine('96mode|.,97coupe:KA,Kcmode|s,,97sedan:KA,KC,KL{Dx}modets,'gThatchback:a||models}:
COOLANT
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PRIMARY HEATED OXYGEN SENSOR (PRIMARY HOzS,
SENSOR 1)SECONDARY HEATED OXYGEN SENSOR {SECONDARY
HOzS, SENSOR 2)
MANIFOLD AESOI-UTE PRESSURE IMAP) SENSOR
ENGINE COOLANT TEMPERATURE IECT) SENSOR
INTAKE AIR TEMPERATURE (IAT} SENSOR
CRANKSHAFT SPEED FLUCTUATION (CKF) SENSOR
IDLE AIR CONTROL (IACI VALVE
THROTTLE BOOY (TB)
FUEL INJECTORFUEL FILTERFUEL PRESSURE REGULATOR
FUEL PUMP IFPIFUEL TANKFUEL TANK EVAPORATIVE EMISSION (EVAPI VALVE
AIR CLEANERRESONATORPOSITIVE CRANKCASE VENTILTATION IPCVI VALVE
EVAPORATIVE EMISSION (EVAP} PURGE CONTROL
SOLENOID VALVEEVAPORATIVE EMISSION (EVAP) CONTROL CANISTER
EVAPORATIVE EMISSION IEVAPI TWO WAY VALVE
THREE WAY CATALYTIC CONVERTER (TWCI
[3)@ao(o
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(0
@)
(cont'd)
11-25

System Description
Vacuum Connections (cont'd)
Dl6Y7 angin6 ('97 coup.: KL mod€l, sedan: KL (LX) model,,9g modet):
i1] PRIMARY HEATED OXYGEN SENSOR (PRIMARY HO2S,SENSOR 1)E) SECONDARY HEATED OXYGEN SENSOR {SECONDARYHO2S, SENSOR 2l€l MANTFOLD ABSOT_UTE PRESSUnE tMAp) SENSOR€r ENGINE COOLANT TEMPERATURE |ECT) SENSOR€] INTAKE AIR TEMPERATURE IIAT} SENSOR6 CRANKSHAFT SPEED FLUCTUATION ICKFI SENSOR17 IOLE AIR CONTROL IIACI VALVE@ THRoTTLE BoDY {TBIO FUEL INJEGToR(9 FUE|- FTLTEFO FUEL PRESSURE REGULAToR@ FUEL PUMP {FPI(D FUEL TANK@ FIFL TANK EVAPoRATIVE EMIssIoN {EVAPIVALVE(, AIR CLEANER
(tO RESONATORl? PoSITIVE cRANKcAsE VENTILATIoN IPcv}VALVEIA EVAPORANVE EMISSION TEVAPI PURGE CONTROLSOLENOID VALVE19 EVAPORATIVE EMISSION IEVAPI CONTROL CANISTERE EVAPORATIVE EMISSION (EVAPIBYPASS SOLENOIDVALVE€' EVAPoRATIVE EMIssIoN IEVAPI THREE wAY vALvEQ' EVAPORATIVE EMISSION IEVAPI CONTROL CANISTERVENT SHUT VALVE@ FUEL TANK PRESSURE sENsoR{?1! EVAPORANVE EMISSION IEVAPI TWO WAY VALVE?5 THREE WAY CATALYTIC CONVERTER ITWC'
11-26

Dl6Y7 engins ('99 - 00 modelsl:
PRIMARY HEATED OXYGEN SENSOR {PRIMARY HO2S,
SENSOR 1)iiconoanv neareo oxYGEN sENsoR ISECoNDARY
HO2S, 9ENSOR 2)MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR
ENGINE COOLANT TEMPERATURE (ECT} SENSOR
INTAKE AIR TEMPERATURE (IATI SENSOR
CRANKSHAFT SPEED FLUCTUATION ICKFI SENSOR
IOLE AIR CONTROL (IAC} VALVE
THROTTLE BODY (TBl
FUEL INJECTORFUEL FILTERFUEL PRESSURE REGULATOR
FUEL PUMP (FP)
FUEL TANKAIR CLEANERRESONATOR
6d POSITIVE CRANKCASE VENTILATION (PCV) VALVE
6 rvapoamve eutssloN tEvAP) PURGE coNTRoL
SOLENOID VALVECO PURGE JOINT6 evlponnnve eutssloN (EvAPl coNTRoL cANlsrER
i evlponnnve eussloN {EVAP} BYPASS solrNolD
VALVE
6) EVAPORATIVE EMISSION (EVAPI CONTROL CANISTEN
FILTER
@ EVAPORATIVE EMISSTON (EVAP) CONTROL CANISTER
VENT SHUI VALVEA FUEL TANK PRESSURE SENSON
d rvlpoamve emtsstoN tEvAPl rwo wAY vALvE
6 orueonno nerueLING vAPoR REcovERY loRvnl vENT
SHUT VALVE
€) ongolno neruellNc VAPOR RECOVERY {ORVR) VAPOR
RECIRCULATION VALVE
€) THREE WAY CATALYTIC CONVERTER (TWC)
a
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@@
(cont'd)
11-27