1997 ACURA NSX service

Interlock Syste m
Componen t Locatio n Inde x
SRS component s ar e locate d i n thi s area . Revie w th e SR S componen t locations , precautions , an d procedure s i n th e SR S
( sectio n 24 ) befor e performin g repair s o r service .
INTERLOC K CONTRO L UNI T
Inpu t Test , pag e 23-14 3
ProCarManuals.com

Safety Indicato r
Componen t Locatio n Inde x
SRS component s ar e locate d in thi s area . Revie w th e SR S
componen t locations , precautions , an d procedure s i n th e
SR S sectio n 24 befor e performin g repair s o r service .
SAFET Y INDICATO R (I n th e gaug e assembly )
• Removal , pag e 23-12 9
• Troubleshooting , pag e 23-15 4
• Inpu t Test , pag e 23-15 2
ROOF LOC K SWITC H (*1 )
Test , pag e 23-15 6
PASSENGER' S DOO R SWITC H
Test , pag e 23-20 6
HIG H MOUN T BRAK E LIGH T
Test , pag e 23-21 3
CEILIN
G LIGH T
Test , pag e 23-20 3
BRAK E SWITC H
Test , pag e 23-21 3
DRIVER' S DOO R SWITC H
Test , pag e 23-20 6
ROO F HOLDE R SWITC H (*1 )
Test , pag e 23-15 7
ENGIN E COMPARTMEN T LI D SWITC H
Test , pag e 23-32 7 RIGH
T BRAK E LIGH T
FAILUR E SENSO R
Test , pag e 23-15 5
LEF T BRAK E LIGH T
FAILUR E SENSO R
Test , pag e 23-15 5 TRUN
K LATC H SWITC H
Test , pag e 23-20 7
1: NSX- T (ope n top ) onl y
Descriptio n
Safety Indicato r System :
LEDs ar e use d t o indicat e whe n th e trun k lid , engin e compartmen t lid , a door , o r th e roo f i s no t latched , o r whe n a brak e
light i s faulty , o r whe n th e roo f i s no t store d o r improperl y store d i n it s holder . Th e LED s wil l g o o n an d sta y o n fo r abou t
tw o second s afte r th e ignitio n switc h ha s bee n turne d O N (II ) t o sho w tha t th e syste m circui t i s functioning .
Brak e Ligh t Bul b Failur e Indicator :
If al l brak e ligh t bulb s ar e OK , th e indicato r ligh t stay s of f becaus e th e ORN/WH T wir e is grounde d b y th e tw o brak e ligh t
failur e sensor s connecte d i n series . Wit h th e brak e light s off , th e groun d i s provide d throug h th e diode , th e failur e senso r
rela y coils , an d bul b filaments . Wit h th e brak e ligh t on , al l fou r relay s (tw o i n th e lef t sensor , tw o i n th e righ t sensor) , con -
necte d i n series , suppl y ground . I f an y o f th e fou r bulb s i s no t working , th e chai n i s broke n an d th e ORN/WH T wir e i s no t
longe r grounded . Th e indicato r ligh t come s on .
ProCarManuals.com

Safety Indicato r
Indicator Inpu t Tes t
SRS component s ar e locate d in thi s area . Revie w th e SR S
componen t locations , precautions , an d procedure s i n th e
SR S (sectio n 24 ) befor e performin g repair s o r service .
Remov e th e dashboar d lowe r cover , dashboar d lowe r
pa d an d instrumen t panel . Disconnec t th e connecto r "A "
(30-P ) fro m th e gaug e assembl y (se e pag e 23-127 ).
Inspec t th e connecto r an d socke t terminal s t o b e sur e the y
ar e al l makin g goo d contact .
I f th e terminal s ar e bent , loose , o r corroded , repai r
the m a s 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 a 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 contro l uni t
mus t b e faulty ; replac e it .
CONNECTO R "B "
CONNECTO R "A "
ProCarManuals.com

Lighting Syste m
Retracto r Switc h Remova l
SRS component s ar e locate d in thi s area . Revie w th e SR S
componen t locations , precautions , an d procedure s i n th e
SR S sectio n 24 befor e performin g repair s o r service .
1 . Remov e th e dashboar d lowe r cover , an d disconnec t
th e connectors .
2 . Remov e th e dashboar d lowe r pad .
DASHBOAR D LOWE RCOVER
3. Remov e the tilt cover .
DASHBOAR DLOWERPAD
TIL T COVE R
4. Remov e th e steerin g colum n covers .
UPPER COVE R
LOWER COVE R
5. Disconnec t th e 5 P an d 10 P connector s fro m eac h
switch .
TCS SWITC H
5 P CONNECTO R
10 P CONNECTO R
RETRACTOR SWITC H
6. Remov e th e si x screws , the n remov e th e instrumen t
pane l tri m fro m th e dashboard .
INSTRUMEN T PANE L TRI M
RETRACTO R SWITC H
7. Remov e th e tw o screws , the n remov e th e retracto r
switch fro m th e instrumen t pane l trim .
ProCarManuals.com

Side Marker/Tur n Signal/Hazar d Flashe r Syste m
Componen t Locatio n Inde x
SRS component s ar e locate d in thi s area . Revie w th e SR S componen t locations , precautions , an d procedure s in th e SR S
sectio n 24 befor e performin g repair s o r service .
HEADLIGH T SWITC H
Test , pag e 23-18 3
Replacement , pag e 23-18 4
TUR N SIGNAL/HAZAR D RELA Y
Inpu t Test , pag e 23-22 0
UNDER-DAS H FUS E BO X TUR
N SIGNA L INDICATO R LIGHT S
(I n th e gaug e assembly )
Bul b Location , pag e 23-12 8 HAZAR
D WARNIN G SWITC H
Removal , pag e 23-22 2
Test , pag e 23-22 3
• TUR N SIGNA L SWITC H
Test , pag e 23-18 3
Replacement , pag e 23-18 4
• TUR N SIGNA L CANCE L UNI T
Inpu t Test , pag e 23-22 1
SID E MARKE R FLASHE R CIRCUI T
(I n th e integrate d contro l unit )
Inpu t Test , pag e 23-17 0
ProCarManuals.com

Controller Remova l
SRS component s ar e locate d in thi s area . Revie w th e SR S
componen t locations , precautions , an d procedure s i n th e
SR S sectio n 24 befor e performin g repair s o r service .
1 . Remov e th e dashboar d lowe r cover , an d disconnec t
the connectors .
2. Remov e th e dashboar d lowe r pad .
DASHBOAR D LOWE RCOVER
3. Remov e th e til t cover .
DASHBOAR D LOWE RPAD
TIL T COVE R
4. Remov e th e steerin g colum n covers .
UPPER COVE R
LOWER COVE R
5P CONNECTO R
10 P CONNECTO RDAS
H LIGHT S BRIGHTNES S
CONTROLLE R
6. Remov e th e si x screws , the n remov e th e instrumen t
pane l tri m fro m th e dashboard .
INSTRUMEN T PANE L TRI M
DAS H LIGHT S BRIGHTNES S
CONTROLLE R
7. Remov e tw o screws , the n remov e th e das h light s
brightnes s controlle r fro m th e instrumen t pane l trim .
5
. Disconnec t th e 5 P an d 10 P connector s fro m eac h
switch .
TCS SWITC H
ProCarManuals.com

Entry Ligh t Time r Syste m
Componen t Locatio n Inde x
SRS component s ar e locate d in thi s area . Revie w th e SR S
componen t locations , precautions , an d procedure s i n th e
SR S sectio n 24 befor e performin g repair s o r service .
Description : I f th e driver' s doo r ha s bee n opene d b y th e
oute r handle , th e foo t wel l ligh t an d a ligh t a t th e ignitio n
switch g o o n an d sta y o n fo r abou t eigh t second s afte r
th e driver' s doo r ha s bee n closed .
FOOT WEL L LIGH TReplacement , pag e 23-23 1
UNDER-DAS H FUS E BO X
DRIVER' S DOO R SWITC H(Built into the doo r loc k actuato r assembly )Test, pag e 23-20 6
ENTRY LIGH T TIME R CIRCUI T(Built into the integrate d contro l unit )Input Test , pag e 23-16 7
ProCarManuals.com

Supplemental Restrain t Syste m (SRS )
Genera l Precaution s
Carefully inspec t an y SR S par t befor e yo u instal l it .
D o no t instal l an y par t tha t show s sing s of bein g
droppe d o r improperl y handled , suc h a s dents ,
crack s o r deformation :
— Airba g assembl y (driver' s an d passenger's) .
— Das h sensors .
— Cabl e reel .
— SR S unit .
— Sea t bel t tensione r (driver' s an d passenger's) .
Us e onl y a digita l multimete r t o chec k th e system . I f
it' s no t a Hond a multimeter , mak e sur e it s outpu t i s
1 0 m A (0.0 1 A ) o r les s whe n switche d t o th e smalles t
valu e i n th e ohmmete r range . A teste r wit h a highe r
outpu t coul d damag e th e airba g circui t o r caus e ac -
cidenta l deploymen t an d possibl e injury .
D o no t instal l use d SR S part s fro m anothe r car .
Whe n makin g SR S repairs , us e onl y ne w parts .
Excep t whe n performin g electrica l inspections , alway s
disconnec t bot h th e negativ e cabl e an d positiv e ca -
bl e a t th e batter y befor e beginnin g work .
Replacemen t o f th e combinatio n ligh t an d
wiper/washe r switche s an d cruis e contro l switc h
ca n b e don e withou t removin g th e steerin g wheel :
(se e sectio n 23 ) D
o no t tr y t o disassembl e th e airba g assembly . I f ha s n o
serviceabl e parts . Onc e a n airba g ha s bee n operate d
(deployed) , i t canno t b e repaire d o r reused .
Fo r temporar y storag e of the airba g assembl y durin g
service , pleas e observ e th e followin g precautions :
• Stor e th e remove d airba g assembl y wit h th e pa d sur -
fac e up .
If th e airba g is improperl y store d fac e
down , accidenta l deploymen t coul d prope l th e uni t
wit h enoug h forc e t o caus e seriou s injury .
SHORT CONNECTO R(RED)
Store th e remove d airba g assembl y o n a secur e fla t
surfac e awa y fro m an y hig h hea t sourc e (exceedin g
212°F/100°C ) an d fre e of an y oil , grease , detergen t
o r water .
CAUTION : Imprope r handlin g o r storag e ca n inter -
nall y damag e th e airba g assembly , makin g i t
inoperative .
If yo u suspec t th e airba g assembl y ha s bee n
damaged , instal l a ne w uni t an d refe r t o th e Deploy -
ment/Disposa l Procedure s fo r scrappin g o f th e
damage d airbag .
Airbag Handlin g an d Storag e
ProCarManuals.com