1991 ACURA NSX Service Repair Manual

2. Disconnec t th e 5- P connecto r fro m th e steerin g an -
gl e sensor .
3 . Remov e th e steerin g angl e senso r mountin g bolts ,
the n remov e th e steerin g angl e sensor .
NOTE : Tak e car e no t t o dro p th e adjustin g shi m
use d betwee n th e steerin g angl e senso r an d senso r
mountin g bracket .
CAUTION : Tak e car e no t t o damag e o r dro p th e
steerin g angl e senso r a s it i s sensitive . 2
. Connec t th e 5- P connecto r t o th e steerin g angl e
sensor .
3. Instal l th e steerin g colum n covers .
4 . Perfor m th e steerin g angl e senso r syste m chec k (Se e
pag e 19-96 ).
I f ther e i s a n abnormalty , chec k th e troubleshoot -
in g flowchar t (se e pag e 19-96 ).
NOTE :
Installation :
1. Instal l th e steerin g angl e senso r b y tightenin g 2 bolt s
an d mak e sur e th e adjustin g shi m i s installe d
properly.
CAUTION : D o no t appl y an y greas e o r oi l t o th e ad -
justin g shim .
Removal :
1. Remov e th e steerin g colum n covers .
Electroni c Compornent s
Steering Angl e Senso r Replacemen t
STEERING
ANGL E
SENSO R
BOLTS
There is n o nee d to selec t (replace ) th e shi m whe n
th e steerin g angl e senso r i s replaced .
Us e th e origina l shim .
Selectio n (Replacement ) o f th e adjustin g shi m (fo r
adjustin g th e ai r gap ) i s require d onl y whe n th e
steerin g colum n assembl y (withou t th e sensor ) i s
replaced .
STEERIN GANGLESENSO R
BOLT
S
1 0 N ·m (1. 0 kg-m , 7. 2 Ib-ft )
ADJUSTIN GSHIM
Detec t
part .
ProCarManuals.com

Selection of the adjusting shim for the steering angle sensor air gap adjustment.

NOTE:

The adjustment of the air gap between the steering shaft and the steering angle sensor should be carried out

in order to obtain adequate sensor output.

The adjusting shim reference number is stamped on the steering column. Adequate air gap can be kept by select-

ing the adjusting shim with the reference number.

Selection of The Adjusting Shim

Reference Number Locations

REFERENCE

NUMBER

STEERING

COLUMN
Adjusting ShimProCarManuals.com

Carpet
Replacement
SRS wire harnesses are routed near the carpet. CAUTION:
Remove:
2. Detach the clips at the front edge (passenger's). 3, Remove the console carpet attaching screw from the heater unit (passenger's).
4. Disconnect the air duct (driver's) and air vent, then remove the carpet hooks from the dashboard inside screws.
DASHBOARD

INSIDE SCREW
CARPET
HOOK
(3)

AIR VENT

AIR DUCT
AIR VENT

CLIPS
FLOOR
CARPET
CONSOLE
CARPET

CONSOLE CARPET LEFT DASH
SENSOR
PASSENGER'S

AIRBAG
RIGHT DASH

SENSOR

SRS
MAIN

HARNESS
SRS UNIT

Side sill pad (See page 20-38) Rear side trim panel (See page 20-38)
Center armrest (See page 20-49)
Center console panel (See page 20-52)

SRS UNIT
SCREW
(cont'd)
Seats (See page 20-39)
Footrest
Under-dash fuse box lid (See page 20-38)
Side sill trim (See page 20-38)

All SRS wiring harnesses are covered with
yellow outer insulation.
Before disconnecting any part of the SRS wire
harness, install the short connectors (see page

23-328).
Replace the entire affected SRS harness assem-
bly if it has an open circuit or damaged wiring.ProCarManuals.com

Carpet

Replacement (cont'd)

5. Pull up the retainers, then remove the floor carpets.

6. Remove the console carpets.

FOOTREST

CONSOLE

CARPETS
SRS UNIT

FOOTREST MOUNTING

BOLTS

RETAINERS
RETAINERS

FLOOR CARPETS

SEAT HARNESSES

7. Installation is the reverse of the removal procedure.

NOTE:

Take care not to damage, wrinkle or twist the carpets.

Make sure the air vents are connected into the heater unit and air duct.

Make sure the seat harnesses are routed correctly.ProCarManuals.com

Center Armrest

Replacement

CAUTION: When removing the center armrest inner panel, wrap the flat tip screwdriver with protective tape or a shop
towel to prevent damage.
NOTE: Take care not to scratch the center armrest, dashboard and rear center trim panel.

Disassemble in numbered sequence.

CENTER ARMREST
INNER PANEL
Open the Lid.
CENTER ARMREST
INNER PANEL
CENTER ARMREST

Remove the center armrest

by lifting it up.
Disassembly: INNER PANEL

BASE
BASE

INNER BOX
Installation is the reverse of the removal procedure.
REAR TOP

PAD

REAR COVER FRONT TOP

PAD

FRONT COVER
CUP HOLDER ARMREST
TRAY
ARMREST
LOWER TRAY

Pry here.ProCarManuals.com

Dashboard

Component Removal/Installation
Clock and center air vent removal:
NOTE: Take care not to scratch the dashboard and

related parts.
1. Remove the clock by pulling it backward from the center air vent, then disconnect the connector.
2. Remove the center air vent mounting screws.
Disconnect the connector.
CLOCK

CENTER AIR

VENT

CENTER AIR VENT

MOUNTING SCREWS
3. Inset a plastic plate between the center air vent and center console panel to prevent damage them.

CENTER AIR VENT

CENTER CONSOLE

PANEL

PLASTIC PLATE

(Thin plate)4. To make a gap between the center air vent and
dashboard, pull the top of the center air vent whilelowering it as shown.
NOTE: Make a gap thoroughly.

DASHBOARD
CENTER AIR

VENT

PLASTIC

PLATE

5. Inset a flat tip screwdriver between the center air vent and dashboard as shown.
NOTE: Use a flat tip screwdriver as following.

3.3 mm
(0.13
in)

max.

CENTER AIR

VENT

DASHBOARD
PLASTIC

PLATE
HOOKS

FLAT TIP

SCREWDRIVERProCarManuals.com

6. After insetting a flat tip screwdriver, turn it 90°.

HOOK

CENTER AIR

VENT

30 mm

(1.2
in)

FLAT TIP

SCREWDRIVER

7. Inset the tip of a flat tip screwdriver in under the

hook by turning a flat tip screwdriver. Detach the

hook by prying it.

HOOK

CENTER AIR

VENT

FLAT TIP

SCREWDRIVER
8. Pull the center air vent backward while prying the

hook.

CAUTION: Use a shop towel on the dashboard to

prevent damage.

DASHBOARD
HOOK

CENTER AIR

VENT

SHOP TOWEL

FLAT TIP SCREWDRIVER

9. Detach the another hook as the same work, then

remove the center air vent.

CENTER AIR

VENT

HOOKS

10. Install the center air vent and clock.

NOTE:

DASHBOARD

Make sure the connector of the clock is con-

nected properly.

(cont'd)
If there is a minor dent on the dashboard, repair

it by hand as shown.ProCarManuals.com

Dashboard

Component Removal/Installation (cont'd)
SRS wire harnesses are routed near the dashboard. CAUTION:
LEFT DASH
SENSOR PASSENGER'S

AIRBAG
RIGHT DASH
SENSOR

SRS MAIN

HARNESS
SRS UNIT

Center console panel removal:

NOTE:

Disassemble in numbered sequence.
ASHTRAY
CENTER CONSOLE PANEL

Disconnect the

connectors.

SRS
UNIT
Lift up the parking

brake lever.

Installation is the reverse of the removal procedure. NOTE: Make sure the connectors are connected properly.All SRS wiring harnesses are covered with
yellow outer insulation.
Before disconnecting any part of the SRS wire
harness, install the short connectors (see page

23-328).
Replace the entire affected SRS harness assem-
bly if it has an open circuit or damaged wiring.
Take care not to scratch the dashboard, center console panel and related parts.Do not drop the screws inside the dashboard.
Remove the center armrest (see page 20-49), clock and center air vent (see page 20-50).ProCarManuals.com