1997 ACURA NSX Service Repair Manual

Stereo Sound System

Unit Terminals

For MAST

ANTENNA
DIN CONNECTOR

(for CD CHANGER)

For WINDOW

ANTENNA

Terminal Wire

Connects to

A1

A2

A3

A4

A5

A6

A7

A8

A9

A10

A11

A12

A13

A14

A15

A16
WHT

WHT

RED/BLK

WHT/YEL

YEL/RED

PNK/WHT

WHT

WHT

ORN

ORN

ORN/WHT

BLK/BRN

BLK/LT GRN

BLK

ORN

ORN
Passenger's door speaker amplifier

Driver's door speaker amplifier

Lights-on signal

Constant power (Tuning memory)

ACC (I) (Main stereo power supply)

Radio switched power (To antenna and

relay)

Foot well bass speaker (Driver's )

Foot well bass speaker (Passenger's )

Passenger's door speaker amplifier

Driver's door speaker amplifier

Cellular phone mute signal

Security (IN)

Security ground (G404)

Ground (G401, G402, G403)

Foot well bass speaker (Driver's )

Foot well bass speaker (Passenger's )
Power Amplifier Relay Test

1. Remove the power amplifier relay from under-hood

relay box B.

2. Check continuity at the relay terminals.

There should be continuity between the C and D

terminals.

There should be continuity between the A and B

terminals when power and ground are connect-

ed to the C and D terminals.

There should be no continuity between the A and

B terminals when power is disconnected.ProCarManuals.com

— Power Antenna Motor Test

1. Open the trunk lid, and remove the side trim panel.

2. Disconnect the 4P connector from the motor, and

check power to the motor at the connector termi-

nals:

There should be battery voltage between the

WHT/BLU (+) and BLK (-) terminals all the time.

There should be battery voltage between the

PNK/WHT (+) and BLK (-) terminals only with

the ignition and radio switched ON.

WHT/BLU BLK

View from wire side

3. Test motor operation:

FULL EXTEND: Connect battery power to the No.

3 and No. 4 terminals and ground

to the No. 2 terminal.

RETRACT: Disconnect power from the No. 3

terminal.
4. If the motor fails to operate properly, replace it.

MAST

ANTENNA

MAST

ANTENNA

LEAD

POWER ANTENNA MOTOR

(With the antenna retracted fully)
GRN/REDProCarManuals.com

Stereo Soun d Syste m
Power Antenn a Moto r Replacemen t
1. Ope n th e trun k lid , an d remov e th e sid e tri m panel .
2 . Disconnec t th e 4 P connecto r an d antenn a lea d fro m
th e motor , the n remov e th e antenn a nu t an d thre e
mountin g bolts , an d tak e ou t th e moto r wit h th e
antenn a mast .
NOTE : Chec k th e O-rin g fo r deformatio n an d dam -
age. I f necessary , replac e i t t o preven t a leak .
SPACE R
ANTENN A NU T3 N- m(0.3 kgf-m ,2.2 Ibf-ft )
ANTENN A NU T
WRENC H
07JAA-001000 C
BUSHING
4 P CONNECTO R ANTENN
A
LEAD
MOTO RBRACKE T
DRAIN HOS E
3. Instal l i n th e revers e orde r o f removal .
NOTE : Tighte n th e antenn a nut , the n tighte n th e
thre e moto r bracke t mountin g bolts .
O-RIN GReplace .
ProCarManuals.com

Antenna Mas t Replacemen t
Removal:
NOTE: Th e antenn a mas t alone can be replace d withou t
removin g th e powe r antenn a motor .
1 . Remov e th e antenn a nut , O-ring , spacer , an d bush -
ing.
2. Carefull y withdra w th e antenn a mas t whil e extend -
in g i t b y turnin g th e radi o switc h ON .
ANTENN A NU TO-RIN GReplace .
SPACER
BUSHIN G
ANTENN A MAS T
DRIVE CABL E
ANTENN ANUT WRENC H
07JAA-001000 C SHO
P TOWE L
TEETH
DRIVE GEA R
ANTENN A MAS TDRIVE CABL E
POWER ANTENN AMOTOR
ProCarManuals.com

Installation:

1. Hold the antenna mast drive cable so its teeth point

in the direction shown, and carefully insert the drive

cable into the antenna housing.

ANTENNA

HOUSING

Direction of the teeth

2. Check for engagement of the cable teeth to the

drive gear by carefully moving the cable up and

down.

3. Clean the threads on the antenna mast housing

threads.

4. Turn the radio switch "OFF", and let the motor pull

the drive cable inside the antenna housing.
5. Install the parts shown below.

CAUTION: Do not overtighten the antenna nut; the

rear fender will be deformed.

ANTENNA NUT

3 N-m (0.3 kgf-m, 2.2 Ibf-ft)

O-RING

Replace.

SPACER

BUSHING

ANTENNA

COLLAR

SEAL

ANTENNA

COLLAR

6. Check that the antenna mast extends and retracts

fully when the radio switch is turned ON and OFF

repeatedly.ProCarManuals.com

Stereo Soun d Syste m
Antenn a Tub e Replacemen t
1. Remov e th e antenn a mas t (se e pag e 23-244 ).
2 . Remov e th e powe r antenn a moto r (se e pag e
23-244).
3 . Remov e th e retainin g screw , an d pul l th e antenn a
tub e ou t o f it s socke t i n th e driv e housing .
ANTENN ATUBE
RETAININ GSCREW
4. Remov e th e plasti c guid e an d plasti c insulato r tube ,
an d instal l the m in th e ne w antenn a tube .
ANTENN ATUBE
PLASTIC
INSULATO RTUBE
PLASTI C
GUIDE
5. Inser t th e ne w antenn a tube .
With a n alignmen t mark :
— Inser t th e ne w antenn a tub e i n it s socket , an d
alig n th e mar k o n th e tub e wit h th e scre w use d
t o retai n it .
ALIGNMEN TMARK
RETAININ GSCREW
Withou t a n alignmen t mark :
— Inser t onl y th e tube , an d instal l th e tube/moto r
assembly i n th e car .
— Adjus t th e tub e s o tha t th e colla r fit s properl y
agains t th e body , an d mar k th e tub e an d motor .
— Remov e th e tube/moto r assembl y again .
— Alig n th e mar k o n th e tub e wit h th e mar k o n th e
motor , an d tighte n th e clampin g screw .
Adjust th e tub eso tha t th ecolla r fit s th econtou r o f th ebody .
When th e alignmen tis correct , mar k th etub e an d motor .
6. Instal l th e powe r antenn a moto r (se e pag e 23-244 ).
7 . Inser t th e mas t int o th e tub e (se e pag e 23-244 ).
ProCarManuals.com

Front/Rear Speake r Replacemen t
Front speaker :
1 . Remov e th e doo r pane l (se e sectio n 20 ).
2 . Remov e th e doo r speake r assembl y fro m th e doo r
panel b y removin g th e fiv e screws .
DOOR SPEAKE R ASSEMBL Y
Rear speaker :
1 . Remov e th e speake r grille .
2 . Remov e th e fou r screws , the n disconnec t th e 2 P
connecto r fro m th e speaker .
SPEAKE R GRILL E2P CONNECTO R
REAR SPEAKE R
CENTER BULKHEA DPANEL
Foot Wel l Bas s Speake r Replacemen t
1. Pul l bac k th e carpe t o n th e passenger' s side .
2 . Remov e th e foo t wel l bass speake r cover .
COVER
CARPE T
3. Disconnec t th e 2 P an d 6 P connectors , the n remov e
th e tw o bolts , an d remov e th e foo t wel l bas s speake r
assembly .
2P an d 6 P CONNECTOR S
EPS POWE R UNI T
FOO T WEL L BAS S SPEAKE R ASSEMBL Y
ProCarManuals.com

Horns
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 .
UNDER-HOO D RELA YBOX A
HOR N SWITC HTest, pag e 23-25 1
Overhaul , sectio n 1 7
CABL
E REE L
Test , pag e 23-25 2
SECURITY HOR N
Test , pag e 23-25 0
UNDER-HOO DFUSE/RELAY BO X SECURIT
Y CONTRO LUNITInpu t Test , pag e 23-32 2
RIGHT HOR NTest, pag e 23-25 0 LEF
T HOR N
Test , pag e 23-25 0
Descriptio n
Security Alar m System :
Th e securit y alar m syste m is a n anti-thef t alar m system . I f someon e trie s t o ope n th e trunk , hoo d o r eithe r doo r withou t
th e ignitio n key , o r i f th e roo f i s no t full y latched , th e securit y contro l uni t sense s a signa l fro m th e sensor s an d activate s
relay s t o flas h th e headlight s an d soun d th e hor n fo r abou t tw o minutes .
HORN RELA Y
Wir e colors : ORN/BLK ,
WHT/GRN, L T GRN/WHT ,, WHT/GR N
Test, pag e 23-25 1
ProCarManuals.com