1991 ACURA NSX Service Repair Manual

6. Remove the 4 screws from the lighting switch.

7. Disconnect the 10-P connector from the cancel unit,

then remove the lighting switch.
Lighting Switch Light Bulb Replacement

1. Remove the steering column covers.

2. Remove the 2 screws.

3. Slide the lighting switch out of the housing as shown.

4. Remove the bulb from the lighting switch by turning

the bulb 45°.

BULB (0.91 W)
HOUSING
LIGHTING SWITCH

10-P CONNECTOR

16-P CONNECTOR
CANSEL SWITCH

8. If necessary, remove the cancel unit and cancel switch.

TURN SIGNAL

CANCEL UNIT
TURN SIGNAL

CANCEL SWITCH
LIGHTING SWITCHProCarManuals.com

Glove Box Light

Replacement/Test

1. Remove the glove box lower panel.

2. Remove the 8 screws then pull out the glove box.

3. Disconnect the 2-P connectors then remove the

glove box.

GLOVE BOX LOWER

PANEL
4. Remove the 2 screws from the glove box light.

GLOVE BOX

LIGHT

BULB (3.4W)

5. There should be continuity between the A terminal

and B terminal with a bulb installed. There should

be no continuity when the switch is pushed.

From FUSE

No.38 (15 A)

GLOVE BOX

LID

To GROUND

(401, G402)ProCarManuals.com

Side Marker/Turn Signal/Hazard Flash System

Turn Signal/Hazard Relay Input Test

Remove the dashboard lower cover.

Remove the turn signal/hazard relay from the left kick

panel then disconnect the 6-P connector.

Make the following input tests at the 6-P connector ter-

minals.

If all tests prove OK, but the relay fails to work, replace

the turn signal/hazard relay.

View from

terminal side
TURN SIGNAL/

HAZARD RELAYProCarManuals.com

Cancel Unit Input Test

Remove the steering column covers.

Disconnect the 10-P connector from the cancel unit.

Make the following input tests at the 10-P connector ter-

minals.

If all tests prove OK, but the turn signal lights fails to

work, replace the cancel unit.

CANCEL UNIT

10-P CONNECTOR

TURN SIGNAL SWITCH

C10(BLK)

C8(BLU/GRN)
C6(GRY)

C4(WHT)
C2(BRN)
View

from

wire

side
C9(GRN/BLK)
C7(BLU/YEL)

C5(PUR)
C3(ORN)
C1(YEL)ProCarManuals.com

Stereo Sound System
Rear Speaker Replacement
1. Remove the center armrest and upper bulkhead panel
(see section 20).

2. Remove the bulkhead panels.

3. Remove the 5 screws, then disconnect the 2-P con-
nector from the floor wire harness.

CENTER BULKHEAD PANEL
R. BULKHEAD

PANEL

2-P CONNECTORL. BULKHEAD
PANEL

4. Remove the 4 screws, then take the rear speaker out
of the center bulkhead panel.

CENTER BULKHEAD PANEL
Foot Well Bass Speaker Replacement

1. Pull the right front floor carpet back.

2. Remove the foot well bass speaker cover.

COVER

CARPET

3. Disconnect the 2-P and 6-P connectors, then remove
the 2 bolts from the EPS power unit. Remove the
foot well bass speaker assembly.

EPS POWER UNIT
FOOT WELL BASS SPEAKER ASSEMBLYProCarManuals.com

Troubleshooting

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

Power Door Locks

Control Unit Input Test

Remove the glove box, then disconnect the 18-P con-

nector from the control unit.

Make the following input tests at the connector terminals.

NOTE: Recheck the connections between the

18-P connector and the control unit, then replace

the control unit if all input tests prove OK.

POWER DOOR LOCK

CONTROL UNIT

YEL/RED

WHT/RED

ORN
GRY/WHT2

BLU/RED
BLU/WHT

GRN/YEL2

WHT/YEL
BLK/WHT

BLK/RED

GRN/WHT
GRN/BLU
BLK

GRN/RED
BLU/GRN

View from wire sideProCarManuals.com

CAUTION: To prevent damage to the motor, apply battery voltage only momentarily.ProCarManuals.com