1991 ACURA NSX light

Brake Lights

High Mount Brake Light Replacement

CAUTION: Be careful not to damage the high mount

brake light, rear spoiler, and trunk lid.

1. Open the trunk lid.

2. Remove the caps and five screws from the rear

spoiler.

REAR

SPOILER

SCREW

CAP

3. Carefully pull the high mount brake light out of the

rear spoiler, then disconnect the 2-P connector from

the high mount brake light.

REAR SPOILER

2-P CONNECTOR

HIGH MOUNT BRAKE LIGHT

(LED)
Rear Spoiler Replacement

CAUTION: Be careful not to damage the high mount

brake light, rear spoiler, and trunk lid.

1. Open the trunk lid.

2. Remove the six mounting nuts.

REAR

SPOILER

3.
Carefully
lift
the
rear
spoiler assembly
off the
rear

trunk lid.

REAR SPOILER

2-P CONNECTOR (Trunk sub-harness side)

4. Disconnect the 2-P connector from the trunk sub-

harness.ProCarManuals.com

Side Marker/Turn Signal/Hazard Flasher System
Component Location Index

SRS components are located in this area. Review the SRS component locations, precautions, and procedures in the SRS

section (24) before performing repairs or service.

TURN SIGNAL INDICATOR LIGHTS(In the gauge assembly)
Gauge Assembly, page 23-125 HAZARD WARNING SWITCH
Removal, page 23-220
Test, page 23-221
HEADLIGHT SWITCH
Test, page 23-181
Replacement, page 23-182
TURN SIGNAL/HAZARD RELAY
Input Test, page 23-218

UNDER-DASH FUSE BOX TURN SIGNAL SWITCH

Test, page 23-181

Replacement, page 23-182 TURN SIGNAL CANCEL UNIT

Input Test, page 23-219

SIDE MARKER FLASHER CIRCUIT

(In the integrated control unit)

Input Test, page 23-168 ('94-'96) ('91-'93)ProCarManuals.com

Dash Light s Brightnes s Contro l
Componen t Locatio n Inde x
TRANSMISSIO NCONTROL MODUL E (TCM )
DASH LIGHT S BRIGHTNES S
CONTRO L UNI T
Inpu t Test , pag e 23-22 4
COMBINATIO N LIGH T SWITC H
Test , pag e 23-18 1
Replacement , pag e 23-18 2
DAS H LIGHT S BRIGHTNES S
CONTROLLERTest, pag e 23-22 6
HEADLIGH T RETRACTO R
SWITC H
ProCarManuals.com

Dash Lights Brightness Control

Control Unit Input Test

1. Disconnect the 7-P connector from the control unit.

2. Inspect the connector and socket terminals to be sure

they are all making good contact.

• If the terminals are bent, loose or corroded, repair

them as necessary, and recheck the system.

• If the terminals look OK, make the following input

tests at the connector.

— If any test indicates a problem, find and correct

the cause, then recheck the system.

— If all the input tests prove OK, the control unit

must be faulty; replace it.

RED/GRN

BLK

DASH LIGHTS

BRIGHTNESS

CONTROL UNIT

7-P CONNECTOR
View from wire side

RED/BLK

No. Terminal
Test condition
RED/WHT

Test: Desired result
RED

Possible cause if result is not obtainedProCarManuals.com

Controller 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 in 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 RCOVER
3. Remov e th e til t cover .
DASHBOAR D LOWE RPAD
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
DAS H LIGHT S BRIGHTNES S
10- P CONNECTO R CONTROLLE R
6. Remov e th e si x screws , the n remov e th e instrumen t
pane l tri m fro m th e dashboard .
INSTRUMEN T PANE L TRI M
DAS H LIGHT S BRIGHTNES S
CONTROLLE R
7. Remov e tw o screws , the n remov e th e das h light s
brightnes s controlle r fro m th e instrumen t pane l trim .
ProCarManuals.com

Dash Lights Brightness Control

Controller Test

1. Remove the dash lights brightness controller from

the instrument panel (see previous page).

2. Measure resistance between A and B terminals

while rotating the adjusting dial. Resistance should

vary from 0 to 20,000 ohms as the dial is rotated.

NOTE: Resistance will vary slightly with temperature.

HEADLIGHT

RETRACTOR SWITCH
ADJUSTING

DIAL

DASH LIGHTS

BRIGHTNESS

CONTROLLER

Dash lights brightness controller
Controller Light Bulb Replacement

1. Remove the dash lights brightness controller.

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

BULB (0.84W)ProCarManuals.com

Entry Light Timer System
Component Location Index
SRS components are located in this area. Review the SRS
component locations, precautions, and procedures in the
SRS section (24) before performing repairs or service.
Description: It the driver's door has been opened by the

outer handle, the foot well light and a light at the Ignition

switch go on and stay on for about eight seconds after
the driver's door has been dosed.

IGNITION KEY LIGHT
Replacement, page 23-229
FOOT WELL LIGHT

Replacement, page 23-229

DRIVER'S DOOR SWITCH
(Built into the door lock actuator assembly)

Test, page 23-204

UNDER-DASH FUSE BOX ENTRY LIGHT TIMER CIRCUIT

( Built into the integrated control unit)
Input Test, page 23-161 ('93-'96) ('91-'92)
ProCarManuals.com

Foot Well Light Replacement

1. Remove the dashboard lower cover.

2. Disconnect the 2-P connector from the foot well

light.

DASHBOARD LOWER COVER

2-P CONNECTOR

FOOT WELL LIGHT

3. Push the foot well light out of the dashboard lower

cover.

4. Remove the foot well light bulb.

HOUSING

BULB (3.4W)

LENS
Ignition Key Light Replacement

1. Remove the dashboard lower cover.

2. Remove the dashboard lower pad.

3. Remove the bulb/socket from the key light housing

by turning the socket 45°.

KEY SWITCH

SOCKET

BULB (1.4W)

KEY LIGHT

HOUSING

4. Remove the key light housing from the key cylinder

by removing the attaching screw.ProCarManuals.com