1997 ACURA NSX fuse box

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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Ignition Contro l Modul e (ICM ) Inpu t Tes t
Disconnec t th e 8 P connecto r fro m th e ignitio n contro l
modul e (ICM) .
Inspec t th e connecto r an d socke t terminal s t o b e sur e
they ar e al l makin g goo d contact .
I f th e terminal s ar e bent , loose , o r corroded , repai r
them as necessary , an d rechec k th e system .
I f th e terminal s loo k OK , mak e th e followin g inpu t
test s a t th e connector .
— If an y tes t indicate s a problem , fin d an d correc t th e
cause , the n rechec k th e system .
— If al l th e inpu t test s prov e OK , th e IC M mus t b e faul -
ty ; replac e it .
IC M
NOTE :
The tachomete r shoul d operat e normally .
See sectio n 1 1 whe n th e malfunctio n indicato r
lamp (MIL ) blinks .
I f necessary , perfor m a n inpu t tes t o n th e IC M
afte r finishin g th e fundamenta l test s fo r th e igni -
tio n syste m an d fue l an d emissio n systems .
WHT/GRN
WHT1BLK1
WHT/BLK
View fro m termina l sid e
WHT/RE D
BLK2 WHT/YE L
8P CONNECTO R
No.Wir eTes t conditio n Test: Desire d resul t Possible caus e if resul t i s no t obtaine d
1
2
3
4
5
6
7
8
BLK1
BLK2
WHT1
WHT/GR N
WHT/BLK
WHT/BLU1
WHT/YE L
WHT/RE D
Under al l condition s
Ignition switc h "O N
(ID"
Chec k fo r continuit y t o ground :
Ther e shoul d b e continuity .
Chec k fo r voltag e t o ground :
Ther e shoul d b e batter y
voltage . •
Poo r groun d (G103 )
• A n ope n i n th e wir e
• Blow n No . 1 3 (3 0 A ) fus e i n th e
engin e compartmen t fuse/rela y
box
• Fault y ignitio n coi l
• A n ope n i n th e wir e
23-9 3
WHT/BLU1
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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

Lighting System

Retractor Motor Replacement

CAUTION:

Halogen headlights can become very hot in use; do

not touch them or the attaching hardware immediately

after they have been turned off.

Do not try to replace or clean headlights with the lights

1. Remove the No. 42 (15 A) and No. 43 (15 A) fuses

from the under-hood fuse/relay box.

No. 43
(15A)

FUSE

No. 42
(15A)

FUSE

UNDER-HOOD FUSE/RELAY BOX

2. Turn the knob clockwise to raise the headlight.

CAP
3. Remove the two caps, four screws, and cowl clips.

COWL CLIP

CAP

4. Slide the headlight housing forward and up.

NOTE: Be careful not to damage the front bumper

or the headlight housing.

HEADLIGHT HOUSING

PROTECTIVE TAPE

5. Disconnect the 6P connector from the headlight

unit.

6P CONNECTOR
MOUNTING

BOLTS

HEADLIGHT UNIT

6. Remove the four mounting bolts, then remove the

unit.
KNOB
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Headlight Rela y Tes t
1. Remov e th e headligh t rela y fro m th e under-hoo d
fuse/rela y box .
2 . Chec k continuit y a t th e rela y terminals .
Ther e shoul d b e continuit y betwee n th e C an d D
terminals .
Ther e shoul d b e continuit y betwee n th e A an d B
terminal s whe n powe r an d groun d ar e connect -
e d t o th e C an d D terminals .
Ther e shoul d b e n o continuit y betwee n th e A an d
B terminal s whe n powe r i s disconnected .
Dimmer Rela y Tes t
1. Remov e th e dimme r rela y fro m th e under-hoo d
fuse/rela y box .
2. Chec k continuit y a t th e rela y terminals .
There shoul d b e continuit y betwee n th e F an d E
terminal s an d betwee n th e B an d C terminals .
Ther e shoul d b e continuit y betwee n th e A an d C
terminal s whe n powe r an d groun d ar e connect -
ed t o th e E an d F terminals .
Ther e shoul d b e n o continuit y betwee n th e A an d
C terminal s whe n powe r i s disconnected .
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Headlight Replacemen t
CAUTION:
Haloge n headlight s ca n becom e ver y ho t i n use ; d o
no t touc h the m or th e attachin g hardwar e immediatel y
afte r the y hav e bee n turne d off .
D o no t tr y t o replac e o r clea n th e headlight s wit h th e
light s on .
1 . Remov e th e No . 4 2 (1 5 A ) an d No . 4 3 ( 15 A ) fuse s
fro m th e under-hood fuse/relay box .
No. 4 3 (15A )FUSE
No. 4 2 (15A )FUSE
UNDER-HOO D FUSE/RELA Y BO X
2. Remov e th e cap , an d tur n th e kno b clockwis e t o
rais e th e headlight .
CAP
RETRACTO RKNOB
3. Remov e th e tw o caps , fou r screws , an d cow l clips .
COW L CLI P
CAP S
SCREW
4. Slid e th e headligh t housin g forwar d an d u p t o re -
mov e it . B e carefu l no t t o damag e th e bumpe r o r th e
housing .
HEADLIGH T HOUSIN G
PROTECTIVE TAP E
5. Disconnec t th e 6 P connecto r fro m th e headligh t
unit.
6P CONNECTO RMOUNTING
BOLTS
HEADLIGH T UNI T
6. Remov e th e fou r mountin g bolts , the n remov e th e
headligh t unit .
7. Afte r installin g th e ne w headlight , adjus t bot h head -
light s t o loca l requirements .
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Glove Box Light

Replacement/Test

1. Remove the glove box lower panel.

GLOVE

BOX

GLOVE BOX LOWER

PANEL

2. Remove the eight screws, then pull out the glove

box.

3. Disconnect the 2P connectors, then remove the glove

box.
4. Remove the two screws from the glove box light.

BULB

(3.4
W)

5. Check for continuity between the A terminal and B

terminal with a bulb installed. There should be con-

tinuity. There should be no continuity when the

switch plunger is pushed.

GLOVE BOX

LID
From

No.38 (15A1FUSE

G401

G402

G403
GLOVE BOX LIGHTProCarManuals.com

Brake Switc h Tes t
1. I f on e o f th e brak e light s doe s no t g o on , chec k tha t
brak e ligh t bul b in th e tailligh t o r th e hig h moun t light .
2. I f non e o f th e brak e light s g o on , chec k th e No . 4 5
(2 0 A ) fus e i n th e under-hoo d fuse/rela y box .
3 . I f th e fus e an d bulb s ar e OK , disconnec t th e 4 P con -
necto r fro m th e brak e switch .
4P CONNECTO R
BRAKESWITtH
BRAK EPEDAL
4. Chec k fo r continuit y betwee n th e B an d C terminals .
Ther e shoul d b e continuit y wit h th e brak e peda l
pushed .
I f ther e i s n o continuity , replac e th e switc h o r ad -
jus t peda l heigh t (se e sectio n 19 ).
I f ther e i s continuity , bu t th e brak e light s d o no t
g o on , inspec t for :
— Poo r groun d (G401 , G402 , G403 , G551) .
— An ope n in th e WHT/GR N o r GRN/WH T wire .
— Fault y brak e ligh t failur e sensor s (se e pag e
23-155 ).
Hig h Moun t Brak e Ligh t Tes t
1. Ope n th e trun k li d an d engin e compartmen t lid .
2 . Disconnec t th e 2 P connecto r fro m th e trun k wir e
harness .
TRUNK WIR E HARNES S
SID E WIR E
HARNES S
View fro m termina l sid e Vie
w fro m
termina lside
3. Connec t a voltmete r positiv e lea d t o th e GRN/WH T
termina l an d th e negativ e lea d t o th e BL K termina l
o f th e sid e wir e harnes s sid e o f th e connector .
Pus h th e brak e pedal , an d chec k fo r voltag e betwee n
th e GRN/WH T an d th e BL K terminals . Ther e shoul d
b e batter y voltage .
I f ther e i s n o voltage , chec k for :
— Blow n No . 4 5 (2 0 A ) fus e i n th e under-hoo d
fuse/rela y box .
— A n ope n i n th e GRN/WH T o r BL K wire .
— Fault y brak e switch .
I f ther e i s batter y voltage , g o t o ste p 4 .
4 . Connec t batter y powe r t o th e GRN/WH T termina l
an d groun d t o th e BL K termina l o f th e trun k wir e
harnes s sid e o f th e connector .
Chec k tha t al l th e LED s o f th e hig h moun t brak e ligh t
go on .
If th e hig h moun t brak e ligh t doe s no t g o on ,
chec k fo r a n ope n i n th e wire s i n th e trun k lid .
I f th e wire s i n th e trun k li d ar e OK , replac e th e
hig h moun t brak e light .
I f som e o f th e LED s d o no t g o on , replac e th e hig h
moun t brak e ligh t assembly .
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