ACURA NSX 1997 Service Repair Manual

A/T Gea r Positio n Switc h Tes t
1. Remov e th e fron t console , the n disconnec t th e 12 P
connecto r fro m th e A/ T gea r positio n switch .
2 . Chec k fo r continuit y betwee n th e terminal s i n eac h
switc h positio n accordin g t o th e table .
Move th e leve r bac k an d fort h a t eac h positio n
without touchin g th e pus h button , an d chec k fo r
continuit y withi n th e rang e o f fre e pla y of the
shif t lever .
I f ther e i s n o continuit y withi n th e rang e of fre e
play , adjus t th e positio n o f th e A/ T gea r positio n
switc h (se e pag e 23-162 ).
A/ T GEA R POSITIO N SWITC H
View fro m wir e side .
A/T Gea r Positio n Switc h (Fo r cruis e control )
23-311
12P CONNECTO R
Position
Termina l58
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Security Alar m 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 ser -
vice .
HOR N RELA Y
Test , pag e 23-25 1
UNDER-HOO D RELA Y BO X A
RIGH T REA R SID E
MARKE R LIGH T
Replacement , pag e 23-19 9
PASSENGER' S DOO R KE Y
CYLINDE R SWITC H
Test , pag e 23-26 9
Replacement , sectio n 2 0
IGNITIO NSWITCH
Test , pag e 23-7 2
IGNITIO NKEY SWITC H
Test , pag e 23-32 8
STERE O RADIO /
CASSETT E PLAYE RTerminals , pag e23-24 2LEFT HEADLIGH T
Replacement , pag e 23-19 5
PASSENGER' S DOOR .
LOC K ACTUATO R
ASSEMBLYTest, pag e 23-32 5
SECURIT YCONTROL UNI T
Inpu t Test ,
pag e 23-32 2
DIMME R RELA Y
Test , pag e 23-19 1
UNDER-HOO D
FUSE/RELAYBOX
TAILLIGH T RELA YTest, pag e 23-19 2
HEADLIGH T
RETRACTO R RELAY STest, pag e 23-19 2
RIGHT HEADLIGH T
Replacement ,
RIGH T FRON T pag e 23-19 5
SID E MARKE R LIGH T LEF
T FRON T
PARKIN G LIGH T
Replacement ,
pag e 23-19 7
LEF T (LOW ) HOR N
Test, pag e 23-25 0
HOOD SWITC H
Test , pag e 23-32 7
RIGH T (HIGH ) HOR N
Test , pag e 23-25 0
HEADLIGH T RELA YTest, pag e 23-19 1 Replacement
,
pag e 23-19 7 RIGH
T FRON TPARKIN G LIGH TReplacement ,
pag e 23-19 7 SECURIT
Y HOR N
Test , pag e 23-25 0
BATTER
Y
Test , pag e 23-6 8
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M: NSX- T (ope n top )
LEF T FRON T
SID E MARKE R LIGH T
Replacement , pag e 23-19 7
RETRACTABL EHEADLIGHTCONTROL UNI TInpu t Test ,
pag e 23-18 0
ENGIN E COMPARTMEN T LI D SWITC H
Test , pag e 23-32 7
TRUN K LATC H SWITC H
Test , pag e 23-32 5
TRUN K KE Y CYLINDE R
SWITC H
Test , pag e 23-32 6
ROO
F LOC K
SWITCH*
1
Test , pag e 23-15 6
SECURIT Y INDICATO R
Replacement , pag e 23-32 6
DRIVER' S DOO R KE Y CYLINDE R
SWITC H
Test , pag e 23-26 8
Replacement , sectio n 2 0
TAILLIGHTS
Replacement , pag e 23-19 8
DRIVER' S DOO R LOC K
ACTUATO R ASSEMBL Y
Test , pag e 23-32 5
Replacement , sectio n 2 0
LEFT REA R SID E
MARKE R LIGH T
Replacement , pag e 23-19 9
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Security Alar m Syste m
Descriptio n
This syste m is activate d automaticall y 1 5 second s afte r everythin g ha s bee n close d an d locked . Th e securit y alar m syste m
indicato r ligh t locate d o n th e driver' s doo r pane l wil l flas h afte r th e door s ar e properl y locked .
I f an y o f th e followin g condition s occur , th e horn s wil l sound , th e headlight s wil l po p u p an d flash , an d th e sid e marke r
lights , parkin g light s an d taillight s wil l flas h fo r abou t tw o minutes , o r unti l th e syste m is disarme d b y unlockin g eithe r
doo r fro m th e outsid e wit h th e key .
Doo r i s opene d forcibly .
Engin e compartmen t li d i s opened .
Trun k li d i s opene d withou t usin g th e key .
Hoo d i s opened .
Roo f i s unlatche d (NSX- T "ope n top") .
Flowchar t o f th e securit y alar m syste m operation : Batter
y terminal(s ) i s (are ) remove d an d reconnected .
Batter y circui t ar e bypasse d b y breakin g th e ignitio n
switch .
Hood/engin e compartmen t lid/trun k li d opene r o r roo f
releas e leve r (NSX- T "ope n top" ) i n th e vehicl e i s
operated .
Remove th e ke y fro m th e ignitio n switc h
• Ignitio n ke y switc h OF F
Clos e al l th e doors , hood , engin e com -
partmen t lid , an d trun k lid . Th e roo f ca n
b e unlatche d o r latched .
NOTE : Bot h roo f loc k switche s hav e t o
b e i n th e sam e position .
• Bot h doo r switche s OF F
• Engin e compartmen t li d switc h OF F
• Hoo d switc h OF F
• Trun k li d switc h OF F
• Bot h roo f loc k switche s OF F o r O N
(NSX- T "ope n top" )
Lock th e driver' s o r passenger' s doo r fro m th e out -
sid e b y usin g th e key .
• Doo r loc k kno b switche s OF F
• Doo r ke y cylinde r switc h OF F
(PREARMED )
15 se c passed ?
The securit y alar m syste m is armed ,
t o pag e 23-31 5 Th
e securit y alar m syste m is disarmed .
Doo r switc h (Driver/Passenger ) O N
Doo r loc k kno b switc h O NTrun k li d switc h O NIgnitio n ke y switc h O NOnl y on e o r bot h roo f loc k switche s O N(NSX- T "ope n top" )From pag e ( 23-315 )
Indicato r start s flashing .1 se c O N / 1 se c OF F
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From pag e 23-31 4
(To pag e23-314 )
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Security Alar m Syste m
Wiring Connection s
"1: NSX- T (ope n top )
TRUN K KE Y
CYLINDE R SWITC H
REARWIREHARNES S
RIGH T
TAILLIGH T
ENGINECOMPARTMEN T LI D
SWITC H
DRIVER'S
DOO R KE Y
CYLINDE RSWITCH
' SECURIT Y
INDICATO R
DRIVER' S DOO R LOC K
ACTUATO R ASSEMBL Y
PASSENGER' S
DOO R KE Y
CYLINDE RSWITCH
PASSENGER' S
DOO R
LOCKACTUATO R
ASSEMBL Y
IGNITION KEYSWITC H
IGNITIO NSWITCH
UNDER-HOO D RELA Y BO X A
(HOR N RELAY )
FLOOR WIR E HARNES S
DRIVER' S DOO R
WIR E HARNES S
RIGHT REA RSIDE MARKE R
LIGH T TRUN
K LATC H
SWITC H
RETRACTABL EHEADLIGHTCONTROLUNIT
LEF TTAIL -
LIGH T
HEADLIGHT
RETRACTO RRELAYS
BATTER Y
SECURIT Y HOR N
LEF T HEADLIGH T
LEF T FRON T SID E
MARKE R LIGH T
RIGH T ROO F LOC K
SWITCH*1
PASSENGER' S
DOO R WIR E
HARNES S
SECURIT Y CONTRO L
UNIT
FRON T COMPARTMEN T
WIR E HARNES S
UNDER-HOO D FUSE/RELA Y BO X
(HEADLIGHT/TAILLIGHT /DIMMER RELAY ) LEF
T FRON T
PARKIN G
LIGH T
LEF T (LOW ) HOR N
HOO DSWITC H
FRONT COMPARTMEN TWIRE HARNES S
RIGH T FRON T SID E MARKE R
LIGH T
RIGHT HEADLIGH TRIGH
T (HIGH ) HOR N
RIGH T PARKIN G
LIGH T
LEFT REA RSIDE MARKE R LIGH TSWITCH*1
LEFTROO FLOCK
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Troubleshooting

NOTE: The numbers in the table show the troubleshooting sequence.ProCarManuals.com

Security Alar m Syste m
Contro l Uni t Inpu t Tes t ——
Remov e th e glov e box , an d disconnec t th e 22 P connec -
to r an d 16 P connecto r fro m th e contro l unit .
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 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 contro l uni t
mus t b e faulty ; replac e it .
Differen t wire s wit h th e sam e colo r hav e bee n give n a
numbe r suffi x t o distinguis h the m (fo r example ,
YEL/GRN1 and YEL/GRN2 ar e no t th e same) .
SECURIT YCONTROL UNI T
Wire
*: No t use d
Tes t conditio n
Test: Desire d resul t Possible caus e if resul t i s no t obtaine d
BLK
YEL/BL U
GRN
YEL
Unde r al l condition s
Unde r al l condition s
Unde r al l condition s
Ignitio n switc h O N (II ) 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 .
Connec t t o ground : Th e
securit y indicato r shoul d com e on .
Chec k fo r voltag e t o ground : Ther e
shoul d b e batter y voltage . •
Poo r groun d (G401 , G402 , G403 )
• A n ope n i n th e wir e
• Blow n No . 1 8 (2 0 A ) fus e
• A n ope n i n th e wir e
• Blow n No . 4 5 (2 0 A ) fus e
• Fault y securit y indicato r
• A n ope n i n th e wir e
• Blow n No . 5 (1 5 A ) fus e
• A n ope n i n th e wir e
22PCONNECTO R
16P CONNECTO R
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WireTes t conditio n Test: Desire d resul t Possible caus e if resul t i s no t obtaine d
LT GRN /
WHT
BLU/RE D
RED/YE L
LTGRN/
RED
YEL/GRN2
BLU/GR N
BLU
BLK/BR N
or BLK /
LT GR N
BRN/WH T
WHT
Unde r al l condition s
Unde r al l condition s
Unde r al l condition s
Passin g switc h O N
Hoo d ope n
Hoo d close d
Ignitio n ke y i s i n th e
ignitio n switch .
Ignition ke y is no t i n
th e ignitio n switch .
Engin e compartmen t
li d ope n
Engin e compartmen t
li d close d
Unde r al l condition s
Trun k ke y in UNLOC K
Trun k li d ope n
Trun k li d close d Attac
h t o ground : Al l horn s shoul d
sound .
Attac h t o ground :
Th e headlight s shoul d com e on .
Connec t t o ground :
Th e taillight s shoul d com e on .
Chec k fo r voltag e to ground :
Ther e shoul d b e batter y
voltage .
Check fo r continuit y t o ground :
Ther e shoul d b e continuity .
Chec k fo r continuit y t o ground :
Ther e shoul d b e n o continuity .
Chec k fo r continuit y t o ground :
Ther e shoul d b e continuity .
Chec k fo r continuit y t o ground :
Ther e shoul d b e n o continuity .
Chec k fo r continuit y t o ground :
Ther e shoul d b e continuity .
Chec k fo r continuit y t o ground :
Ther e shoul d b e n o continuity .
Chec k fo r continuit y t o ground :
Ther e shoul d b e continuity .
Chec k fo r continuit y t o ground :
Ther e shoul d b e continuity .
Chec k fo r continuit y t o ground :
Ther e shoul d b e continuity .
Chec k fo r continuit y t o ground :
Ther e shoul d b e n o continuity .•
Blow n No . 4 5 (2 0 A ) fus e
• Fault y hor n rela y
• Fault y hor n (either )
• Poo r groun d (G30 1 o r G302 )
• A n ope n i n th e wir e
• Fault y headligh t rela y
• Fault y headligh t syste m
• A n ope n in th e wir e
• Fault y tailligh t rela y
• Fault y tailligh t syste m
• A n ope n in th e wir e
• Fault y passin g switc h
• Fault y dimme r rela y
• Fault y headligh t rela y
• A n ope n i n th e wir e
• Fault y hoo d switc h
• Misadjuste d hoo d switc h
• Poo r groun d (G301 )
• A n ope n i n th e wir e
• Fault y ignitio n ke y switc h
• Poo r groun d (G401 , G402 , G403 )
• A n ope n in th e wir e
• Fault y engin e compartmen t li d
switc h
• Misadjuste d engin e compartmen t
li d switc h
• Poo r groun d (G401 , G402 , G403 )
• A n ope n in th e wir e
• Poo r groun d (G404 )
• A n ope n in th e wir e
• Fault y trun k ke y
• Poo r groun d (G551 )
• A n ope n i n th e wir e
* Fault y trun k latc h switc h
• Misadjuste d trun k latc h switc h
• Poo r groun d (G551 )
• A n ope n in th e wir e
(cont'd )
23-323ProCarManuals.com

Security Alarm System

Control Unit Input Test (cont'd)

Test condition

Test: Desired result
Possible cause if result is not obtained

GRN/BLU

GRN/RED
Driver's door open

Driver's door closed

Passenger's door

open

Passenger's door

closed
Check for continuity to ground:

When the door is open, there

should be continuity.

When the door is closed, there

should be no continuity.
• Faulty right door switch

• An open in the wire

GRN/YEL1
Driver's door key in

UNLOCK
Check for continuity to ground:

There should be continuity.

GRN/YEL2
Passenger's door key in

UNLOCK
• Faulty left or right door key switch

• Poor ground (G401, G402, G403)

• An open in the wire

GRN/WHT
Driver's door key in

LOCK

GRY/WHT
Passenger's door key in

LOCK
Check for continuity to ground:

There should be continuity, as the

door keylock is turned to LOCK.
• Faulty left or right door key switch

• Poor ground (G401, G402, G403)

• An open in the wire

BLU/RED2
Driver's door lock knob

in UNLOCK
Check for continuity to ground:

There should be continuity.
• Faulty left door lock knob switch

(Built into the actuator)

• Poor ground (G401, G402, G403)

• An open in the wire

BLU/RED3
Passenger's door lock

knob in UNLOCK
Check for continuity to ground:

There should be continuity.
• Faulty right door lock knob switch

(Built into the actuator)

• Poor ground (G401, G402, G403)

• An open in the wire

RED/GRN1
Roof unlatched

RED/YEL*1
Check for continuity to ground:

There should be continuity.
• Faulty right or left roof lock switch

• Poor ground (G401, G402, G403)

• An open in the wire

M: NSX-T (open top)
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