ACURA NSX 1991 Service Repair Manual

YEL/RED
WHT/BLU2

ORN

BLU/RED
GRN/RED
GRN/BLU2

WHT/GRN

YEL2

BLU/WHT1
WHT/BLK

BLU/YEL

BLU/GRN
ORN/WHT

ORN/BLK
WHT/RED

View from wire side
PNK/BLU

View from terminal side

Entry Light Timer System:

Key-on Reminder:

(cont'd)ProCarManuals.com

Integrated Control Unit

Input Test (cont'd)

YEL/RED
WHT/BLU2

ORN

BLU/RED
GRN/RED

GRN/BLU2
WHT/GRN

YEL2

BLU/WHT1

PNK/BLU
WHT/BLK

BLU/YEL

BLU/GRN
ORN/WHT
ORN/BLK
WHT/RED

View from wire side
View from terminal side

Lights-on Reminder:

Seat Belt Reminder:ProCarManuals.com

Rear Window Defogger Timer System:

View from terminal side
YEL/RED
WHT/BLU2

ORN
BLU/RED

GRN/RED
GRN/BLU2

WHT/GRN

YEL2

BLU/WHT1

PNK/BLU
WHT/BLK

BLU/YEL
BLU/

GRN

ORN/WHT
ORN/BLK
WHT/RED

View from wire side

Oil Pressure Indicator System:

(cont'd)ProCarManuals.com

Integrated Control Unit

Input Test (cont'd)

View from terminal side

Side Marker Light Flasher System:
YEL/RED
WHT/BLU2

ORN
BLU/RED
GRN/RED
GRN/BLU2

WHT/GRN

YEL2

BLU/WHT1

PNK/BLU
WHT/BLK

BLU/YEL
BLU/GRN

ORN/WHT
ORN/BLK
WHT/RED

View from wire side

Power Window key-off Timer System:ProCarManuals.com

YEL/RED
WHT/BLU2

ORN

BLU/RED
GRN/RED

GRN/BLU2

WHT/GRN

YEL2

BLU/WHT1

PNK/BLU
WHT/BLK

BLU/YEL
BLU/GRN

ORN/WHT
ORN/BLK
WHT/RED

View from wire side
View from terminal side

Wiper System:ProCarManuals.com

Lighting System

Daytime Running Lights Control Unit Input Test

Remove the glove box lower panel and glove box.

Disconnect the 8-P and 4-P connectors from the daytime

running lights control unit.

Make the following input tests at the connector termi-

nals. If all tests prove OK, yet the system still fails to

work, replace the control unit.

4P CONNECTOR

PNK/WHT

YEL/BLK

PNK/BLK
BLK

BLK/RED

GRN/RED

GRN/YEL
View from wire side
8-P CONNECTOR
DAYTIME RUNNING LIGHTS

CONTROL UNIT (Canada)ProCarManuals.com

Lighting/Turn Signal Switch Test
1. Remove the dashboard lower cover and dashboard center panel.
2. If necessary, remove the knee bolster. 3. Disconnect the 16-P connector from the floor wire
harness.

4. Check for continuity between the terminals in each switch position according to the table.

KNEE BOLSTER

DASHBOARD CENTER

PANEL

Lighting/Dimmer/Passing Switch

Turn Signal Switch
DASHBOARD LOWER COVER

View from wire side

16-P CONNECTORProCarManuals.com

Lighting System
Lighting Switch Replacement
CAUTION: All SRS electrical wiring harnesses are covered with
yellow outer insulation.
Before disconnecting the SRS wire harness, install
the short connector on the airbag (see page 23-323). Replace the entire affected SRS harness assembly
if it has an open circuit or damaged wiring.
1. Remove the dashboard lower cover and disconnect the 2-P connectors from the floor wire harness.

2-P

CONNECTORS
DASHBOARD

LOWER COVER

2. Remove the dashboard center panel.

DASHBOARD CENTER
PANEL

3.
Remove
the
tilt
cover.

TILT COVER
4. Remove the steering column lower cover and upper
cover.

5. Disconnect the 16-P connector and 10-P connector.
10-P
CONNECTOR

16-P CONNECTORProCarManuals.com

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