1997 ACURA NSX jump start

Engine Contro l Modul e (ECM )
NOTE: I f thi s sympto m is intermittent , chec k fo r a loos e No . 5 BACK-U P LIGHTS , ALTERNATOR ,
TUR N SIGNAL S (1 5 A ) fus e in th e under-das h fuse/rela y box , a poo r connectio n a t EC M termina l
A7 , o r a n intermitten t ope n in th e BL U wir e betwee n th e EC M (A7 ) an d th e gaug e assembly .
I s th e lo w oi l pressur e ligh t on ?
Tr y t o star t th e engine .
Doe s th e engin e start ?
Chec k fo r a n ope n in th e wir e o r
bulb :
1. Tur n th e ignitio n switc h OFF .2. Connec t th e EC M connecto r
termina l A 7 t o bod y groun d
with a jumpe r wire .3. Tur n th e ignitio n switc h O N (II) .
Is th e MI L on ?
Substitut e a known-goo d ECM ,
an d rechec k (se e pag e 11-3 9 fo r
immobilize r information) . I f symp -
tom/indicatio n goe s away , replac e
the origina l ECM .
— Repai r shor t i n the wir e
betwee n No . 5 BACK-U P
LIGHTS , ALTERNATOR , TUR N
SIGNAL S (1 5 A ) fus e an d
gaug e assembly .
— Replac e No . 5 BACK-U P
LIGHTS , ALTERNATOR , TUR N
SIGNALS (15 A) fuse.
Chec k fo r a n ope n in th e wire s
(PG lines) :1. Tur n th e ignitio n switc h O N (II) .
2 . Measur e voltag e betwee n
bod y groun d an d EC M con -
necto r terminal s A1 2 an d A2 5
individually .
I s ther e les s tha n 1. 0 V ?
Substitut e a known-goo d EC M
an d rechec k (se e pag e 11-3 9 fo r
immobilize r information) . I f symp -
tom/indicatio n goe s away , replac e
th e origina l ECM . Repai
r ope n i n th e wire(s )
betwee n EC M an d G10 1 (locate d
a t intak e manifold ) tha t ha d
mor e tha n 1.0V .
— Repai r ope n i n th e wire s
betwee n EC M (A7 ) an d gaug e
assembly .— Replac e th e MI L bulb .
(cont'd )
Turn th e ignitio n switc h O N (II) .
The Malfunctio n Indicato r Lam p
(MIL ) neve r come s o n (eve n fo r
tw o seconds ) afte r ignitio n i s
turne d O N (II) .
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Transmission Assembl y
Removal
Make sur e lift s ar e place d properly , an d
hois t bracket s ar e attache d t o correc t position s (se e
sectio n 1 ).
1 . Chec k an d recor d th e rea r whee l alignmen t (se e
sectio n 18 ).
2 . Disconnec t th e batter y negativ e (- ) an d positiv e (+ )
cable s fro m th e battery .
3 . Drai n transmissio n oil . Reinstal l th e drai n plu g wit h
a ne w washer .
4 . Remov e th e stru t bar .
5 . Remov e th e ai r cleane r assembly . 6
. Remov e th e connector s fro m th e contro l box , an d
remov e th e contro l box . D o no t remov e th e vacuu m
tube s fro m th e contro l box .
7 . Remov e th e wir e harnes s holder , jumpe r connecto r
an d transmissio n groun d cable .
8 . Disconnec t th e back-u p ligh t switch , neutra l posi -
tio n switch , differentia l spee d sensor , revers e lock -
ou t solenoid , an d vehicl e spee d senso r (VSS ) con -
nectors .
9. Disconnec t th e starte r moto r cables , the n remov e
th e starte r motor .
10 . Remov e th e transmissio n mount .
11 . Remov e th e tw o transmissio n housin g bolts .
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Transmission Assembl y
Installatio n (cont'd )
27. Instal l th e transmissio n moun t an d tw o transmissio n
housin g mountin g bolts .
28 . Instal l th e starte r motor , an d connec t th e starte r
moto r cables . Mak e sur e tha t th e crimpe d sid e o f
th e rin g terminal s facin g ou t (se e sectio n 23 ).
29 . Instal l th e transmissio n groun d cabl e an d jumpe r con -
nector , an d connec t th e back-u p ligh t switch , ne -
utra l positio n switch , differentia l spee d sensor , revers e
lockou t solenoid , an d vehicl e spee d senso r (VSS ) con -
nector .
30 . Instal l th e contro l box , an d connec t th e contro l bo x
connectors .
31. Instal l th e ai r cleane r assembly .
32 . Instal l th e stru t bar .
33 . Refil l th e transmissio n wit h th e recommende d oi l
(se e pag e 13-3 ).
34 . Connec t th e batter y positiv e (+ ) an d negativ e (- )
cable s to th e battery .
35 . Inspec t th e rea r cambe r (se e sectio n 18 ).
36 . Chec k th e clutc h operation .
37 . Shif t th e transmission, and chec k fo r smoot h opera -
tion .
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Solenoid Flushin g
Modulator/Solenoi d Uni t
1. Remov e th e moto r rela y fro m th e under-hoo d
fuse/rela y box . (Location : se e pag e 19-38 )
2 . Instal l th e specia l too l int o th e tw o moto r rela y cavi -
tie s in th e rela y box .
AUXILIAR YWINDOW SWITC H07KAZ-001000 A
5. Connec t th e RE D termina l fro m on e solenoi d con -
necto r t o th e batter y positiv e (+ ) termina l wit h a
remot e starte r switch . Connec t th e BL K termina l
fro m th e sam e solenoi d t o th e batter y negativ e (- )
termina l wit h a jumpe r lea d a s shown .
3 . Disconnec t th e fou r modulato r solenoi d connectors .
4 . Blee d an y high-pressur e flui d fro m th e maintenanc e
bleede r wit h th e specia l tool , the n retighte n th e
bleeder .
BLEEDE R T-WRENC H07HAA-SG0010 1or 07HAA-SG0010 0
6. Pres s th e auxiliar y windo w switc h t o ru n th e pump .
Afte r th e pum p ha s ru n fo r abou t fiv e seconds ,
pres s an d releas e th e remot e starte r switc h thre e o r
fou r time s t o ope n an d clos e th e solenoid . Continu e
runnin g th e pum p fo r abou t 3 0 seconds , the n
releas e th e auxiliar y windo w switc h an d ope n an d
clos e th e solenoi d anothe r thre e o r fou r times .
7 . Repea t step s 4- 6 fo r th e othe r thre e solenoids .
8 . Reconnec t th e solenoid s an d th e pum p relay .
9 . Connec t th e AL B Checke r an d tur n th e Mod e
Selecto r t o "1" . Star t th e engin e an d releas e th e
parkin g brake . Pus h th e Star t Tes t butto n o n th e AL B
Checker .
10. Whil e th e pum p i s running , plac e you r finge r ove r
th e to p o f th e solenoi d retur n tub e i n th e modulato r
reservoi r an d chec k fo r leaks .
I f a solenoi d i s stil l leaking , replac e th e modulator /
solenoi d unit .
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Starting Syste m
Starte r Tes t
NOTE : Th e ai r temperatur e mus t b e betwee n 5 9 an d
100° F (1 5 an d 38°C ) befor e testing .
Recommende d Procedure :
Use a starte r syste m tester .
Connec t an d operat e th e equipmen t i n accor -
danc e wit h manufacturer' s instructions .
Alternat e Procedure :
Us e th e followin g equipment :
— Ammeter , 0 - 40 0 A
— Voltmeter , 0 - 2 0 V (accurat e withi n 0. 1
volt )
— Tachometer , 0 -1,20 0 rp m
Hoo k u p voltmete r an d ammete r a s shown .
NEGATIV E CABL E
POSITIV ECABLE
1. Disconnec t th e No . 1 3 (3 0 A ) fus e fro m th e engin e
compartmen t fuse/rela y box .
No. 1 3 (3 0 A )FUS E
2. Chec k th e starte r engagement :
Depres s th e clutc h peda l al l th e wa y (M/T ) o r shif t
to o r positio n (A/T) , an d tur n th e ignitio n
switc h t o "Star t (III)" . Th e starte r shoul d cran k th e
engine .
NOTE: O n car s equippe d wit h manua l transmis -
sion , th e engin e wil l no t cran k unles s th e clutc h
peda l i s full y depressed .
I f th e starte r stil l doe s no t cran k th e engine ,
chec k th e battery , batter y positiv e cable ,
ground and th e wir e connection s fo r loosenes s
o r corrosion .
Tes t again .
If th e starte r stil l doe s no t cran k th e engine ,
bypas s th e ignitio n switc h circui t a s follows :
Unplu g th e connecto r (BLK/WH T wire ) fro m th e
starter . Connec t a jumpe r wir e fro m th e batter y
positiv e ( + ) termina l t o th e solenoi d terminal .
Th e starte r shoul d cran k th e engine .
SOLENOI D TERMINA L
BLK/WHTWIRE
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Charging System

Troubleshooting (cont'd)

Alternator/Regulator Test

Use the SUN VAT-40 (or equivalent) tester.

LOAD ADJUSTER

(CARBON PILE)
FULL FIELD

LEAD (BLU)

VOLTMETER

NEGATIVE

LEAD (BLK)

INDUCTIVE

PICK-UP

(GRN)
POSITIVE

CABLE (RED)
NEGATIVE

CABLE (BLK)
VOLTMETER

POSITIVE

LEAD (RED)

1. Attach the positive tester cable and the voltmeter

positive lead to the jump start terminal in the

engine compartment fuse/relay box.

POSITIVE CABLE

VOLTMETER

POSITIVE LEAD

JUMP

START

TERMINAL

ENGINE COMPARTMENT

FUSE/RELAY BOX
2. Attach the negative tester cable and the voltmeter

negative lead to the top of the intake manifold.

VOLTMETER

NEGATIVE LEAD
NEGATIVE CABLE

NEGATIVE MARK

3. Attach the inductive pick-up to the B terminal wire

of the alternator with its arrow pointing away from

the terminal.

NOTE: The arrow must point away from the B

terminal.

INDUCTIVE PICK-UP

ARROW
ALTERNATOR

B TERMINAL

ALTERNATORProCarManuals.com

Fuel Gaug e
Gauge Tes t
1. Befor e testing , chec k th e No . 5 (15 A ) fus e i n th e
under-das h fus e box .
2. Remov e th e rea r bulkhea d pane l behin d th e driver' s
seat, the n remov e th e acces s panel .
3 . Disconnec t th e 3 P connecto r fro m th e fue l gaug e
sendin g unit .
ACCES S PANE L
C (YEL/BLU )
A(BLK )
4. Connec t th e voltmete r positiv e prob e t o th e B
(YEL/WHT ) termina l an d th e negativ e prob e t o th e
C (BLK ) terminal , the n tur n th e ignitio n switc h O N
(II) . Ther e shoul d b e betwee n 5 an d 8 V .
I f th e voltag e i s a s specified , g o t o ste p 5 .
I f th e voltag e i s no t a s specified , chec k for :
- A n ope n i n th e YEL , YEL/WH T o r BL K wire .
- Poo r groun d (G403) .
5 . Tur n th e ignitio n switc h OFF . Connec t a jumpe r wir e
betwee n th e B (YEL/WHT ) an d A (BLK ) terminals .
CAUTION : D o no t appl y batter y voltag e t o th e ter -
minals ; i t wil l damag e th e fue l gauge .
6. Tur n th e ignitio n switc h O N (II) . Chec k tha t th e
pointe r o f th e fue l gaug e start s movin g towar d th e
"F " mark .
CAUTION : Tur n th e ignitio n switc h OF F befor e th e
pointe r reache s th e "F" mar k o n th e gaug e dial ; i f
yo u don't , yo u ma y caus e damag e to th e fue l gauge .
I f th e pointe r o f th e fue l gaug e doe s no t mov e a t
all , replac e th e gauge .
I f th e fue l gaug e i s OK , chec k th e sendin g unit .
B (YEL/WHT )
3P CONNECTO R
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Coolant Temperatur e Gaug e
Coolan t Temperatur e Gaug e Tes t
1. Befor e testing , chec k th e No . 5 (1 5 A ) fus e i n th e
under-das h fus e box .
2 . Mak e sur e th e ignitio n switc h i s OFF , the n discon -
nec t th e YEL/GR N wir e fro m th e coolan t tempera -
tur e gaug e sendin g uni t an d groun d i t wit h a
jumpe r wire .
YEL/GR NWIRE
COOLAN T TEMPERATUR ESENDING UNI T
3. Tur n th e ignitio n switc h O N (II) .
Chec k tha t th e pointe r o f th e coolan t temperatur e
gaug e start s movin g towar d th e "H " mark . Tur n th e
ignitio n switc h OF F befor e th e pointe r reache s th e
"H " mar k o n th e gaug e dial ; i f yo u don't , yo u ma y
damag e th e gauge .
I f th e pointe r o f th e gaug e doe s no t swin g a t all ,
chec k for :
— An ope n in th e YE L o r YEL/GR N wire .
— Replac e th e coolan t temperatur e gaug e i f th e
fus e an d wirin g i s OK .
I f th e coolan t temperatur e gaug e is OK , chec k th e
sendin g unit .
Coolan t Temperatur e Gaug e ———
Sendin g Uni t Tes t
1. Disconnec t th e YEL/GR N wir e fro m th e sendin g
unit, an d wit h th e engin e cold , us e a n ohmmete r t o
measur e resistanc e betwee n th e positiv e termina l
an d th e engin e (ground) .
COOLAN T TEMPERATUR EGAUGE SENDIN G UNI T
2. Chec k th e temperatur e o f th e coolant .
3 . Ru n th e engine , an d measur e th e chang e i n resis -
tanc e wit h th e engin e a t operatin g temperatur e
(radiato r fa n come s on) .
Temperatur e
Resistance
133°F (56°C )
["C " mark ]
142
85° F (85°C ) -
212° F (100°C )
49-32
4. I f th e reading s yo u ge t ar e substantiall y differen t
fro m th e specification s above , replac e th e coolan t
temperatur e gaug e sendin g unit .
YEL/GR NWIRE
POSITIV ETERMINA L
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