1997 ACURA NSX Service Repair Manual

System Descriptio n
Vacuum Connection s
CONTROLBOXpag e 11- 7 ONBOAR
D REFUELIN G
VAPO R RECOVER Y (ORVR )
VEN T SHU T VALV E
AI R CONTRO L
VALVE
To EVA P TWO-WA YVALVE
To ONBOAR D REFUELIN GVAPOR RECOVER Y (ORVR )VAPOR RECIRCULATIO N
VALV E
FRONT O F
VEHICL E
FUE L PRESSUR E
REGULATO RINTAKEAIRBYPAS S(IAB)DIAPHRAG MEG
R VALV E
EGR VALV ELIFT SENSO R
EVA
P CONTRO L
CANISTE R
EVA
P PURG E
CONTRO L
SOLENOI D
VALVE
For Troubleshooting of DTC related components, see chart on page 11-52.
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Control Box :
AIR CONTRO L SOLENOI DVALVE
EXHAUS T GA S RECIRCULATIO N (EGR )
VACUU M CONTRO L VALV E
EXHAUS T GA S RECIRCULATIO N
(EGR ) CONTRO L SOLENOI D
VALVE
MANIFOL D ABSOLUT E
PRESSUR E (MAP ) SENSO R
INTAK E AI R BYPAS S
(IAB ) CONTRO L SOLENOI D
VALVE
To AI R CONTRO LVALVE
INTAK E AI R BYPAS S (IAB ) CHEC K VALV E
INTAK E AI R BYPAS S (IAB ) VACUU M TAN K
For Troubleshooting of DTC related components, see chart on page 11-52.
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System Descriptio n
Vacuum Connection s
FRONT PRIMAR Y HEATE D OXYGE N SENSO R (HO2S )
(BAN K 2 , SENSO R 1 )
REA R PRIMAR Y HEATE D OXYGE N SENSO R (HO2S )
(BAN K 1 , SENSO R 1 )
FRON T SECONDAR Y HEATE D OXYGE N SENSO R (HO2S )(BANK 2 , SENSO R 2 )REAR SECONDARY HEATED OXYGEN SENSOR (HO2S)
(BANK 1, SENSOR 2)
MANIFOL D ABSOLUT E PRESSUR E (MAP ) SENSO R
ENGIN E COOLAN T TEMPERATUR E (ECT ) SENSO R
INTAK E AI R TEMPERATUR E (IAT ) SENSO R
FRON T KNOC K SENSO R (KS2 )
REA R KNOC K SENSO R (KS1 )
AI R CLEANE R (ACL )
FUE L INJECTO R
FUE L PRESSUR E REGULATO R
FUE L FILTE R
FUE L PUM P (FP )
FUE L TAN K
ONBOAR D REFUELIN G VAPO R RECOVER Y (ORVR )
VAPO R RECIRCULATIO N VALV E
INTAK E AI R BYPAS S (IAB ) CHEC K VALV E
INTAK E AI R BYPAS S (IAB ) VACUU M TAN K
INTAK E AI R BYPAS S (IAB ) CONTRO L SOLENOI D VALV E
INTAK E AI R BYPAS S (IAB ) CONTRO L DIAPHRAG M Vacuu
m hos e No .
FRON T THRE E WA Y CATALYTI C CONVERTE R (TWC )
REA R THRE E WA Y CATALYTI C CONVERTE R (TWC )
POSITIV E CRANKCAS E VENTILATIO N (PCV ) VALV E
EXHAUS T GA S RECIRCULATIO N (EGR ) VALV E
EXHAUS T GA S RECIRCULATIO N (EGR ) VALV E LIF T SEN -SOREXHAUS T GA S RECIRCULATIO N (EGR ) VACUU M CONTRO L
VALV E
EXHAUS T GA S RECIRCULATIO N (EGR ) CONTRO L
SOLENOI D VALV E
EVAPORATIV E EMISSIO N (EVAP ) CONTRO L CANISTE R
EVAPORATIV E EMISSIO N (EVAP ) PURG E CONTRO L
SOLENOID VALV EEVAPORATIV E EMISSIO N (EVAP ) CONTRO L CANISTE R
VEN T SHU T VALV E
EVAPORATIV E EMISSIO N (EVAP ) BYPAS S SOLENOI D
VALV E
EVAPORATIV E EMISSIO N (EVAP ) TW O WA Y VALV E
FUE L TAN K PRESSUR E SENSO R
THROTTL E BOD Y (TB )
RESONATO R
EVAPORATIV E EMISSIO N (EVAP ) CONTRO L CANISTE R
FILTERONBOAR D REFUELIN G VAPO R RECOVER Y (ORVR ) RECIR -
CULATIO N VALV E
AI R CONTRO L SOLENOI D VALV E
AI R CONTRO L VALV E
AIR PUM P
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Electrical Connection s
FUSES
BRAK E LIGHT S HOR N (20A )
TH L MOTO R (20A)* *
CLOC K (7.5A) *
AC G (120A)* *
ACG(S ) (20A)* *
I G COI L (30A)* *
No . 2 FUE L PUM P SRS 2 (15A )
No . 5 BACK-U P LIGHT S
ALTERNATO R
TURN SIGNAL S (15A )
STARTE R SIGNA L (7.5A)** *
AI R PUM P (60A)* * I
n th e under-hoo d fuse/rela y bo x
I n th e engin e compartmen t fuse/rela y bo x
I n th e under-das h fus e bo x
System Description
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System Description

Electrical ConnectionsProCarManuals.com

TERMINAL LOCATIONSProCarManuals.com

System Description

Electrical ConnectionsProCarManuals.com

(To pag e 11-14 )
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