ACURA NSX 1997 Service Repair Manual

9. Tighte n th e ne w PC V colla r locknu t t o 39. 2 N- m
(4.0 kgf-m , 2 9 Ibf-ft) , the n stak e th e PC V colla r lock -
nut ta b (A ) int o th e PC V colla r groov e (B ) usin g a
punch .
NOTE : B e carefu l no t t o brea k th e PC V colla r lock -
nut.
10. Appl y liqui d gasket , P/ N 08718-0009 , evenl y b y
widt h o f 4 m m to th e rea r cylinde r hea d cover ,
along th e broke n lin e (A) .
NOTE : D o no t instal l th e part s i f 5 minute s o r mor e
have elapse d sinc e applyin g liqui d gasket . Instead ,
reapply liqui d gaske t afte r removin g th e ol d
residue .
A
11. Instal l th e breathe r cove r (A) , the n tighte n th e bolt s
(B) t o 9. 8 N- m (1. 0 kgf-m , 7. 2 Ibf-ft) .
12. Instal l th e rea r cylinde r hea d cover , refe r t o th e 199 7
NSX Servic e Manual , P/ N 61SL00 6 (se e ste p 1 6 o n
pag e 6-49) .
13. Instal l th e PC V valv e (se e pag e 11-52 ).
ProCarManuals.com

Component Location s
Index
EXHAUS T GA S RECIRCULATIO N (EGR ) VALV Eand LIF T SENSO R
FUELINJECTO RRESISTO R (A/T )
EVAPORATIV E EMISSIO N(EVAP) TW O WA Y VALV E
NEUTRA L SWITC H (M/T )
REAR KNOC K SENSO R (KS1 )
FRONT SECONDAR Y HEATE D OXYGE NSENSOR (HO2S ) (BAN K 2 , SENSO R 2 )
REA R SECONDAR Y HEATE D OXYGE N SENSO R(HO2S) (BAN K 1 , SENSO R 2 )
REVERS E LOCKOU TSOLENOID VALV E (M/T )FRON T KNOC K SENSO R (KS2 )
REAR PRIMAR Y HEATE DOXYGEN SENSO R (HO2S )(BANK 1 , SENSO R 1 )
(cont'd )
VEHICL E SPEE D SENSO R (VSS )
THROTTL E POSITIO N (TP ) SENSO R
EVAPORATIV E EMISSIO N(EVAP) PURG E CONTRO LSOLENOID VALV ETroubleshooting ,page 11-4 5
EVAPORATIV E EMISSIO N(EVAP) CONTRO L CANISTE RVENT SHU T VALV ETroubleshooting ,page 11-4 5
EVAPORATIV EEMISSION(EVAP) BYPAS SSOLENOI D VALV ETroubleshooting ,page 11-4 5
ENGIN E COOLAN T TEMPERATUR E (ECT ) SENSO R
INTAKE AI R TEMPERATUR E (IAT ) SENSO R
CRANKSHAF T POSITION /CAMSHAFT POSITIO N (CKP/CMP )(CRANKSHAF T POSITION /CYLINDER POSITIO N(CKP/CYPI ) SENSO R
FUEL PUM P RESISTO R
SPARK PLU G VOLTAG EDETECTIO N MODUL E
FRONT PRIMAR Y HEATE DOXYGEN SENSO R (HO2S )(BANK 2 , SENSO R 1 )
SPAR K PLU G VOLTAG E SENSO R(built int o th e IGNITIO N COI LAssy. )
FUEL TAN K PRESSUR E SENSO RTroubleshooting , pag e 11-5 9in th e 200 0 NS X Servic e Manua lSupplemen t
CONTROL BO Xpage 11- 7 in th e 200 0 NS X Servic eManual Supplemen t
THROTTLE VALV ECONTRO L MOTO R
ProCarManuals.com

Component Location s
Index (cont'd )
CLUTCH SWITC H (M/ T only )Troubleshooting , pag e 11-12 5in th e 199 7 NS X Servic e Manua l
ACCELERATO R POSITIO N (AP )SENSO RTroubleshooting , pag e 11-11 4in th e 199 7 NS X Servic e Manua l
THROTTL E CABL EInspection/Adjustment , pag e 11-15 0in th e 199 7 NS X Servic e Manua lInstallation , pag e 11-15 0in th e 199 7 NS X Servic e Manua l
PGM-FIMAIN RELA YRelay Testing , pag e 11-14 3in th e 199 7 NS X Servic e Manua lTroubleshooting , pag e 11-14 4in th e 199 7 NS X Servic e Manua lSERVIC E CHEC K CONNECTO R (2P )Self-diagnosti c Procedure spage 11-3 8 in th e 199 7 NS X Servic e Manua l
THROTTL E VALV ECONTRO L MOTO R RELA YTroubleshooting , pag e 11-11 2in th e 199 7 NS X Servic e Manua l
ENGINE CONTRO L MODUL E (ECM )Self-diagnosti c Procedures , pag e 11-3 8in th e 199 7 NS X Servic e Manua lTroubleshooting , pag e 11-6 1in th e 199 7 NS X Servic e Manua l
ProCarManuals.com

DATA LIN K CONNECTO R (16P )
Self-diagnosti c Procedures , pag e 11-3 8
i n th e 199 7 NS X Servic e Manua l
ProCarManuals.com

Component Location s
Index (cont'd )
THROTTL E BOD Y (TB )Inspection , pag e 11-15 1in th e 199 7 NS X Servic e Manua lDisassembly , pag e 11-15 2in th e 199 7 NS X Servic e Manua l
AIR CLEANE R (ACL )Disassembly , pag e 11-14 9in th e 199 7 NS X Servic e Manua l
INTAKE AI R DUC T
INTAK E AI R BYPAS S (IAB ) CONTRO LDIAPHGRA MTroubleshooting , pag e 11-15 5in th e 199 7 NS X Servic e Manua lTest, pag e 11-15 7in th e 199 7 NS X Servic e Manua l
POSITIV E CRANKCAS E VENTILATIO N (PCV ) VALV ETroubleshooting , pag e 11-5 0Inspection , pag e 11-5 2Replacement , pag e 11-5 2
INTAK E AI R BYPAS S (IAB ) VALV EBODY ASSEMBL Y
ProCarManuals.com

FUEL PUM P RELA YTroubleshooting , pag e 11-13 9in th e 199 7 NS X Servic e Manua l
ONBOAR D REFUELIN G VAPO RRECOVER Y (ORVR ) VAPO RRECIRCULATIO N VALV EFUEL PUM P
ONBOAR D REFUELIN GVAPOR RECOVER Y (ORVR )VENT SHU T VALV ETesting , pag e 11-7 0in th e 200 0 NS X Servic eManual Supplemen t
FUEL FEE D PIP E
FUE L FILTE R
FUEL RETUR N PIP E
FUE L FIL L CA P
EVAPORATIV E EMISSIO N(EVAP) CONTRO L CANISTE RVENT SHU T VALV ETroubleshooting , pag e 11-4 5
EVAPORATIV E EMISSIO N(EVAP) CONTRO L CANISTE RTroubleshooting , pag e 11-4 5
FUEL VAPO R PIP E
FUE LPRESSUR E REGULATO R
EVAPORATIV E EMISSIO N(EVAP) BYPAS S SOLENOI DVALVETroubleshooting , pag e 11-4 5
FUEL INJECTOR S
FUEL RAI L
FUEL TAN K PRESSUR ESENSORTroubleshooting , pag e 11-5 9in th e 200 0 NS X Servic e Manua lSupplemen t
FUEL TAN K
EVAPORATIV E EMISSIO N(EVAP) CONTRO LCANISTER FILTE R
EVAPORATIV E EMISSIO N(EVAP) TW O WA Y VALV E
ProCarManuals.com

Troubleshooting
Troubleshooting Procedure s
ECM Replacemen t
1. Tur n th e ignitio n switc h OFF .
2. Jum p th e SC S lin e wit h th e HD S (Hond a Diagnosti c
System).
3. Remov e th e bulkhead (1) then (2).
4. Disconnec t th e connector s fro m th e EC M mountin g
bracket. Disconnec t th e EC M connector s (A ) fro m
the ECM .
5. Remov e th e bolt s (B) , th e remov e th e EC M (C) .
6. Instal l th e EC M in th e revers e orde r o f removal .
7. Ope n th e SC S wit h th e HDS .
8. Tur n th e ignitio n switc h O N (II) .
9. Inpu t th e VI N to th e EC M wit h th e HDS .
10. Rese t th e EC M wit h th e HDS .
1
2
ProCarManuals.com

Fuel Suppl y Syste m
Fuel Injector s (cont'd )
Replacemen t
Do no t smok e durin g thi s work . Kee p ope n flame s awa y fro m you r wor k area .
1. Reliev e th e fue l pressur e Refe r t o th e 199 7 NS X Servic e Manual , P/ N 61SL00 6 (se e pag e 11-132 ).
2 . Remov e th e intak e manifol d covers .
3. Disconnec t th e connector s fro m th e injectors .
4. Disconnec t th e vacuu m hos e an d fue l retur n hos e fro m th e pressur e regulator .
NOTE: Plac e a ra g o r sho p towe l ove r th e hose s befor e disconnectin g them .
5. Disconnec t th e fue l hos e fro m th e fue l pipe .
6. Loose n th e retaine r nut s o n th e fue l pip e an d harnes s holder .
7. Disconnec t th e fue l pipe .
8. Remov e th e injector s fro m th e intak e manifold .
9. Slid e ne w cushio n ring s ont o th e injectors .
10. Coa t ne w O-ring s wit h clea n engin e oi l an d pu t the m o n th e injectors .
11. Inser t th e injector s int o th e fue l pip e first .
12. Coa t ne w sea l ring s wit h clea n engine oil, an d pres s the m int o th e intak e manifold .
ProCarManuals.com

13. Install the injectors and fuel pipe assembly in the manifold.

14. Align the center line on the connector with the mark on the fuel pipe.

15. Install and tighten the retainer nuts.

16. Coat new O-rings with clean engine oil and put them on the fuel hose.

17. Connect the fuel hose to the fuel pipe.

18. Connect the vacuum hose and fuel return hose to the pressure regulator.

19. Install the connectors on the injectors.

20. Install the intake manifold covers.

21. Turn the ignition switch ON (II), but do not operate the starter. After the fuel pump runs for about 2 seconds, the fuel

pressure in the fuel line rises. Repeat this two or three times, then check for leakage.ProCarManuals.com

Symptom-to-Component Char t
Electrica l Syste m
14-5 in thi s
supplemen t
14-7 in thi s
supplemen t
H-60
(61SL006 )
14-9 i n thi s
supplemen t
14-10 i n thi s
supplemen t
14-11 i n thi s
supplemen t
14-13 i n thi s
supplemen t
14-14
(61SL007 )
14-16
(61SL007 )
14-15 in thi s
supplemen t
ProCarManuals.com