ACURA NSX 1991 Service Repair Manual

Combination Light/Tur n Signa l Switc h Tes t
1. Remov e th e dashboar d lowe r cove r (se e pag e 23-182 ).
2 . Disconnec t th e 18- P connecto r fro m th e floo r wir e
harness .
3. Chec k fo r continuit y betwee n th e terminals , i n eac h
switc h position , accordin g t o th e table .
18-P CONNECTO R
View fro m wir e sid e
Tur n Signa l Switc h
Headlight/Dimmer/Passin
g Switc h
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Lighting Syste m
Headlight/Tur n Signa l Switc h Replacemen t
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
in th e SR S sectio n 24 befor e performin g repair s o r ser -
vice .
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
DASHBOAR D LOWE RPAD
3. Remov e th e til t cover .
TILT COVE R
4. Remov e th e steerin g colum n covers .
NOTE : B e carefu l no t t o damag e th e steerin g col -
umn covers .
UPPER COVE R
LOWE R COVE R
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5. Disconnect the 18-P and 10-P connectors.

CAUTION: Be careful not to damage the SRS wire

harness.

6. Remove the six screws, then remove the headlight-

turn signal switch assembly.

HEADLIGHT SWITCH

10-P CONNECTOR

18-P CONNECTOR

TURN SIGNAL SWITCH

7. If necessary, remove the turn signal cancel unit and

cancel switch.

TURN SIGNAL

CANCEL UNIT
TURN SIGNAL

CANCEL SWITCH
8. If necessary, remove the headlight switch bulb.

HEADLIGHT SWITCH

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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 R
COVE R
3. Remov e the tilt cover .
DASHBOAR D
LOWE R
PAD
TIL T COVE R
4. Remov e th e steerin g colum n covers .
UPPER COVE R
LOWE R 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 RETRACTO R SWITC H
6. Remov e th e si x screws, then 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 tw o screws , the n remov e th e retracto r
switc h fro m th e instrumen t pane l trim .
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Retractor Switch Test

1. Remove the retractor switch (see previous page).

2. Check for continuity between the terminals in each

switch position according to the table.

Retractor Switch

RETRACTOR SWITCH

Retractor Switch
Retractor Switch Light Bulb Replacement

1. Remove the retractor switch (see previous page).

2. Turn the bulb 45° counterclockwise to remove it.

RETRACTOR SWITCH

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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

on.

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

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

COWL CLIP

CAP

SCREW

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 6-P connector from the headlight

unit.

6-P CONNECTOR

HEADLIGHT UNIT

6. Remove the four mounting bolts, then remove the

unit.
MOUNTING

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7. Disconnect the 6-P connector.

MOUNTING BOLT/NUT

10 N-m (1.0kg-m. 7.2 Ib-ft)

RETRACTOR

MOTOR

BRACKET

6-P CONNECTOR

MOTOR ARM JOINT

8. Remove the two mounting bolts and the mounting

nut.

9. Pry the retractor linkage off the motor arm.

10. Pull out the retractor motor.

11. Install in the reverse order of removal, and:

• Make sure there is no interference between the

wire harness and linkage.

• Coat the joint with grease and make sure the link-

age moves smoothly.ProCarManuals.com

Headlight Housing Adjustment

1. Remove the stop bolt caps.

2. Adjust stop bolts A and B.

STOP BOLT CAPS

STOP

BOLT A
STOP

BOLT B

STOP

BOLTC

STOP BOLT

LOCKNUT

3. Adjust stop bolt C in or out until the headlight hous-

ing fits flush with the front fender when the head-

light is down.

STOP BOLT C

HEADLIGHT HOUSING

(cont'd)ProCarManuals.com

Lighting System

Headlight Housing Adjustment

(cont'd)

4. Adjust the retractor motor toward
front
or rear until

the headlight housing fits flush with the front fender

when the headlight is down.

NOTE: Be careful not to damage the headlight

housing.

HEADLIGHT

HOUSING

RETRACTOR

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Lighting Syste m
Retracto r Moto r Tes t
1. Remov e th e retracto r motor .
2 . Tes t th e moto r b y connectin g batter y powe r t o th e
A termina l an d groun d t o th e D terminal .
Th e moto r shoul d ru n continuously .
3 . I f th e moto r doe s no t ru n o r fail s t o ru n smoothly ,
replace it .
NOTE : Th e illustratio n show s th e moto r i n th e con -
ditio n whe n th e headligh t i s full y raised .
RETRACTO RKNOB
View fro mtermina l sid e
BCTermina l
Position
At close d positio n
At ope n positio n
4. Disconnec t th e powe r supply , and chec k fo r con -
tinuit y betwee n th e terminal s accordin g t o th e ta -
bl e whil e turnin g th e retracto r kno b clockwise .
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