ACURA NSX 1991 Service Repair Manual

Cruise Contro l
Main Switc h Tes t
1. Remov e th e dashboar d lowe r cove r (se e page
23-305 ).
2 . I f necessary , remov e th e dashboar d lowe r pad .
3 . Disconnec t th e 20- P connector, and chec k fo r conti -
nuit y betwee n th e terminals , i n eac h switc h posi -
tion , accordin g t o th e table .
CRUIS ECONTRO LSWITCH
20- P CONNECTO R
Vie w fro m wir e sid e
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SET/RESUME Switc h Tes t
CAUTION : Befor e disconnectin g an y par t o f a n SR S wir e
harness , connec t th e shor t connector s (se e sectio n 24 ).
1 . Disconnec t th e cabl e ree l harnes s an d mai n
harnes s 6- P connector . Connec t tes t harnes s C onl y
t o th e cabl e ree l harnes s sid e o f th e 6- P connector .
CABLE REE LHARNES S
6- P CONNECTO R
TES T
HARNES S C
07LA Z - SL4030 0
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 .
If ther e i s n o continuity , chec k th e cabl e reel .
I f OK , g o t o ste p 3 . 3
. Remov e th e switc h cove r fro m th e SET/RESUM E
switch , the n remov e th e SET/RESUM E switc h b y
removin g th e tw o screws .
SET/RESUM ESWITCH
4. 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 tables .
If ther e is n o continuity , replac e th e switch .
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Cruise Contro l
Brake Switc h Tes t
1. Disconnec t th e 4- P connecto r fro m th e switch .
BRAKESWITC H
4-P CONNECTO R
BRAKEPEDAL
2. Chec k fo r continuit y betwee n th e terminal s accor -
din g t o th e table .
3 . I f necessary , replac e th e switc h o r adjus t peda l
heigh t (se e sectio n 19 ).
Clutc h Switc h Tes t
1. Disconnec t th e 3- P connecto r fro m th e switch .
CLUTCH
SWITC H 3- P CONNECTO R
CLUTC H BRAK E PEDA L
PEDAL
2. Chec k fo r continuit y betwee n th e terminal s accor -
din g t o th e table.
3 . I f necessary , replac e th e switc h o r adjus t peda l
height (se e sectio n 12 ).
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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 in eac h
switc h positio n accordin g t o th e table .
• Mov e th e leve r bac k an d fort h a t eac h positio n
withou t 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 o f th e
shif t lever .
• I f ther e is n o continuit y withi n th e rang e o f 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 23-160 ).
A/ T GEA R POSITIO N SWITC H
12-P CONNECTO R
View fro m wir e side .
A/T Gea r Positio n Switc h (Fo r cruis e control )
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Security Alarm System
Component Location Index

SRS components are located in this area. Review the

SRS component locations, precautions, and procedures
i
n
the SRS section (24) before performing repairs or ser-

vice.

RIGHT REAR SIDE
MARKER LIGHT
Replacement, page 23-197 PASSENGER'S DOOR KEY
CYLINDER SWITCH
Test, page 23-267
Replacement, section 20
STEREO RADIO/

CASSETTE PLAYER

Terminals, page

23-240
IGNITION

SWITCH
Test, page 23-72
('93-'96) ('91-'92)
IGNITION

KEY SWITCH
Test, page 23-326 ('93-'96) ('91-'92)
UNDER-HOOD

RELAY BOX A
HORN RELAY
Test, page 23-249

BATTERY

Teat, page 23-68 ('93-'96) ('91-'92)
SECURITY HORN
Test, page 23-218 LEFT HEADLIGHT
Replacement page 23-193
LEFT FRONT
PARKING LIGHT
Replacement,
page 23-195
LEFT (LOW) HORN
Test, page 23-248
HOOD SWITCH
Test, page 23-325 ('93-'96) ('91-'92)
RIGHT (HIGH) HORN
Test, page 23-248
RIGHT FRONT

PARKING LIGHT

Replacement,

page 23-195
RIGHT HEADLIGHT
Replacement,
page 23-193
RIGHT FRONT
SIDE MARKER LIGHT
Replacement,
page 23-195 HEADLIGHT

RETRACTOR RELAYS

Test, page 23-190
('93-'96) ('91-'92)
HEADLIGHT RELAY
Test, page 23-189 TAILIGHT RELAY

Test, page 23-190
('93-'96)('91-'92)
UNDER-HOOD

FUSE/RELAY

BOX
DIMMER RELAY
Test, page 23-189
SECURITY

CONTROL UNIT
Input Test,

page 23-320 ('94-'96) ('93) ('91-'92)

PASSENGER'S DOOR

LOCK ACTUATOR

ASSEMBLY
Test, page 23-323
('94-'96) ('93) ('91-'92)ProCarManuals.com

LEFT FRONT
SIDE MARKER LIGHT Replacement, page 23-195 ROOF LOCK

SWITCH*
1

Test, page 23-154 ('94-'96) ('91-'93)
STARTER CUT
RELAY

Test, page 23-80
RETRACTABLE

HEADLIGHT

CONTROL UNIT
Input Test,

page 23-178 ('94-'96) ('91-'93)
ENGINE COMPARTMENT LID SWITCHTest, page 23-325 ('93-'96) ('91-'92)
TRUNK LATCH SWITCHTest, page 23-323 ('94-'96) ('93) ('91-'92)
TRUNK KEY CYLINDER
SWITCH
Test, page 23-324 ('93-'96) ('91-'92)

TAILLIGHTS

Replacement, page 23-196

LEFT REAR SIDE

MARKER LIGHT
Replacement, page 23-197
DRIVER'S DOOR LOCK
ACTUATOR ASSEMBLY
Test, page 23-323 ('94-'96) ('93) ('91-'92)
Replacement, section 20 A/T GEAR POSITION
SWITCH
(A/T)
Test, page 23-160
('93-'96) ('91-'92)
DRIVER'S DOOR KEY CYLINDER

SWFTCH

Test, page 23-266
Replacement, section 20
SECURITY INDICATOR
Replacement, page 23-324
('93-'96) ('91-'92)
CLUTCH INTERLOCK

SWITCH (M/T)

Test, page 23-80 *1:NSX-T (open top)ProCarManuals.com

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 is opened .
Roof 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 .
Engin e starte r circui t an d 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 in 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" )
Loc k 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 3 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 N
Trun k li d switc h O N
Ignitio n ke y switc h O N
Onl y on e o r bot h roo f loc k switche s O N
(NSX- T "ope n top" ) Fro
m pag e ( 23-313 )
Indicato
r start s flashing .
1 se c O N / 1 se c OF F
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From pag e 23-31 2
Indicato r flashes .
0.2 se c O N / 2. 4 se c OF F
Wan t th e syste m disarmed ?
(ARMED)
Trunk opene d b y key ?
Trun k li d switc h O N
Trun k ke y cylinde r switc h
Illegal activit y
1. Doo r i s opene d forcibly . o r
2 . Engin e compartmen t li d i s opened . o r
3. Trun k li d is opene d withou t usin g th e key . o r4. Hoo d is opened . o r
5 . Batter y terminal(s ) is(are ) disconnecte d
an d reconnected . o r
6. Engin e starte r circui t an d batter y circui t ar ebypasse d b y breakin g th e ignitio n switch . o r7. 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 s operated . o r
8 . Stere o radio/cassett e playe r i s disconnected .
Alar m
The horn s soun d an d headlights , sid e marke r light s an dtaillight s flas h repeatedl y fo r tw o minutes .Engine starte r circui t interrupted .
About tw o minute s passed ?Want th e syste m disarmed ?
Either doo r i s unlocke d b y usin g th e key .
• Eithe r doo r ke y cylinde r switc h
Th e securit y alar m syste m is disarmed .
Indicato r stop s flashing . (T
o pag e
23-312 )
Rear m th e securit y alar m system ?
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Security Alar m Syste m
Wiring Connection s
TRUNK KE YCYLINDE R SWITC H
REARWIREHARNES S
RIGHT
TAILLIGH T
PASSENGER' S
DOO R KE Y
CYLINDE RSWITCH
PASSENGER' SDOORLOCKACTUATO R
ASSEMBL Y
DRIVER'SDOOR KE YCYLINDE RSWITCH
LEFTROO FLOCKSWITC H
NSX-T (ope n top )
DRIVER' S DOO R LOC K
ACTUATO R ASSEMBL Y
UNDER-HOO D RELA Y BO X A
(HOR N RELAY )
FLOO R WIR E HARNES S
DRIVER' S DOO R
WIR E HARNES S
RIGH T REA R
SID E MARKE R
LIGH T
CLUTC H INTERLOC KSWITCH
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
A/ T GEA R POSITIO N
SWITC H (A/T )
SECURIT Y CONTRO L
UNIT
FRON T COMPARTMEN T
WIR E HARNES S
UNDER-HOO D FUSE/RELA Y BO X
(HEADLIGHT/TAILLIGHT /
DIMME R RELAY )
RIGH T FRON T SID E MARKE R
LIGH T LEF
T FRON T
PARKIN GLIGHT
LEF T (LOW ) HOR N
FRON T COMPARTMEN T
WIR E HARNES S
RIGH T (HIGH ) HOR N
RIGH T HEADLIGH T
LEFTTAIL -
LIGH T
RETRACTABL EHEADLIGHTCONTROLUNITIGNITIO NSWITCH
IGNITIO N KE YSWITC HLEFT REA RSIDE MARKE R LIGH T
BATTERY
TRUNK LATCH
SWITCH
ENGIN
E
COMPARTMEN T LI D
SWITC H
SECURIT YINDICATO R
HEADLIGH T
RETRACTO RRELAYS
RIGHT PARKIN G
LIGH T
HOODSWITC H
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Troubleshooting

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

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