ACURA NSX 1991 Service Repair Manual

ACURA NSX 1991 Service Repair Manual NSX 1991 ACURA ACURA https://www.carmanualsonline.info/img/32/56988/w960_56988-0.png ACURA NSX 1991 Service Repair Manual
Trending: fuse box, towing, transmission, radiator cap, oil viscosity, sensor, glove box

Page 261 of 1640

ACURA NSX 1991  Service Repair Manual Fuel Pum p Resisto r
Troubleshootin g Flowchar t
— Engin e wil l no t start .
—  Inspectio n o f fue l pum p resis -
tor.
Chec k th e operatio n o f th e PGM -
F I mai n relay :
1 . Disconnec t th

Page 262 of 1640

ACURA NSX 1991  Service Repair Manual Fuel Suppl y Syste m
Fuel Pum p
Testin g
Do no t smok e durin g th e test . Kee p ope n
flam e awa y fro m you r wor k area .
I f  yo u suspec t a  proble m wit h th e fue l pump , chec k tha t
th e f

Page 263 of 1640

ACURA NSX 1991  Service Repair Manual PGM-FI Mai n Rela y
Descriptio n
Th e PGM-F I mai n rela y actuall y contain s tw o individua l
relays .
Th e rela y i s locate d behin d th e passenger' s sea t bac k
panel .
On e rela y i s ener

Page 264 of 1640

ACURA NSX 1991  Service Repair Manual Fuel Suppl y Syste m
PGM-F I Mai n Rela y
Troubleshootin g
Is  ther e continuity ?
Chec k fo r a n ope n o r shor t i n  th e
wire :Measur e voltag e betwee n th e
PGM-F I mai n rela y 4 P connecto r

Page 265 of 1640

ACURA NSX 1991  Service Repair Manual (From pag e 11-144 )
Chec k fo r a n ope n in  th e wire :
Measur e voltag e betwee n th e
PGM-F I mai n rela y 4 P connecto r
termina l No . 4  an d bod y ground . PGM-F
I MAI N RELA Y 4 P CONNECTO R

Page 266 of 1640

ACURA NSX 1991  Service Repair Manual Fuel Suppl y Syste m
PGM-F I Mai n Rela y
(From pag e 11-145 )
Chec k fo r a n ope n in  th e wire :
1 . Reconnec t th e EC M connecto r
A (26P) .2. Reconnec t th e PGM-F I mai n
rela y 4 P an d 8 P c

Page 267 of 1640

ACURA NSX 1991  Service Repair Manual Fuel Tan k
Replacemen t
Do no t smok e whil e workin g o n fue l system . Kee p ope n flam e awa y fro m you r wor k area .
Mak e sur e lift s ar e place d properl y (se e sectio n 1 ).
1 . Rais e th

Page 268 of 1640

ACURA NSX 1991  Service Repair Manual 
Intake Air System

System Description

The system supplies air for all engine needs. It consists of the intake air pipe, Air Cleaner (ACL), intake air duct, throttle

body, and intake manifold. A res

Page 269 of 1640

ACURA NSX 1991  Service Repair Manual 
Air Cleaner (ACL)

ACL Element Replacement

ACL HOUSING

COVER

ACL ELEMENT

Normal conditions:

Replace air cleaner element every

30,000 miles (48,000 km) or 24

months whichever comes first.

Seve

Page 270 of 1640

ACURA NSX 1991  Service Repair Manual Intake Ai r Syste m
Throttl e Cabl e
Inspection/Adjustmen t
1 . Remov e th e accelerato r positio n senso r cover .
2. Chec k tha t th e throttl e cabl e operate s smoothl y wit h
no  bindin g o r sti
Trending: fold seats, power steering, heater, roof rack, check engine light, engine oil capacity, trunk release