1991 ACURA NSX fuse box

Power Seats
Component Location Index
PASSENGER'S SEAT

DRIVER'S SEAT
RECLINE MOTOR
Test, page 23-273 ('93-'96) ('91-'92) ENGINE COMPARTMENT
FUSE/RELAY BOX
SLIDE MOTOR Test, page 23-281 POWER SEAT SWITCH

Test, page 23-280ProCarManuals.com

Rear Windo w Defogge r
Relay Tes t
1. Remov e th e defogge r rela y i n th e engin e compart -
men t fuse/rela y box .
2 . Chec k continuit y a t th e rela y terminals .
Ther e shoul d b e continuit y betwee n th e C an d D
terminals .
Ther e shoul d b e continuity between th e A an d B
terminal s whe n powe r an d groun d ar e connecte d
to th e C an d D terminals .
Ther e shoul d b e n o continuit y betwee n th e A
an d B terminal s whe n powe r i s disconnected .
ProCarManuals.com

Troubleshooting
Cruise Control

NOTE:

• The numbers in the table show the troubleshooting sequence.

• Before troubleshooting:

— Check the No. 5 (15 A) fuse in the under-dash fuse box, and the No. 29 (50 A) and No. 45 (20 A) fuses in the under-

hood fuse/relay box.

— Check that the horns sound.

— Make sure that the headlights go off.ProCarManuals.com

Security Alarm System
Component Location Index

SRS components are located in this area. Review the

SRS component locations, precautions, and procedures
i
n
the SRS section (24) before performing repairs or ser-

vice.

RIGHT REAR SIDE
MARKER LIGHT
Replacement, page 23-197 PASSENGER'S DOOR KEY
CYLINDER SWITCH
Test, page 23-267
Replacement, section 20
STEREO RADIO/

CASSETTE PLAYER

Terminals, page

23-240
IGNITION

SWITCH
Test, page 23-72
('93-'96) ('91-'92)
IGNITION

KEY SWITCH
Test, page 23-326 ('93-'96) ('91-'92)
UNDER-HOOD

RELAY BOX A
HORN RELAY
Test, page 23-249

BATTERY

Teat, page 23-68 ('93-'96) ('91-'92)
SECURITY HORN
Test, page 23-218 LEFT HEADLIGHT
Replacement page 23-193
LEFT FRONT
PARKING LIGHT
Replacement,
page 23-195
LEFT (LOW) HORN
Test, page 23-248
HOOD SWITCH
Test, page 23-325 ('93-'96) ('91-'92)
RIGHT (HIGH) HORN
Test, page 23-248
RIGHT FRONT

PARKING LIGHT

Replacement,

page 23-195
RIGHT HEADLIGHT
Replacement,
page 23-193
RIGHT FRONT
SIDE MARKER LIGHT
Replacement,
page 23-195 HEADLIGHT

RETRACTOR RELAYS

Test, page 23-190
('93-'96) ('91-'92)
HEADLIGHT RELAY
Test, page 23-189 TAILIGHT RELAY

Test, page 23-190
('93-'96)('91-'92)
UNDER-HOOD

FUSE/RELAY

BOX
DIMMER RELAY
Test, page 23-189
SECURITY

CONTROL UNIT
Input Test,

page 23-320 ('94-'96) ('93) ('91-'92)

PASSENGER'S DOOR

LOCK ACTUATOR

ASSEMBLY
Test, page 23-323
('94-'96) ('93) ('91-'92)ProCarManuals.com

Engine Removal/Installation

(cont'd)

18. Remove the breather pipe, then remove the air in- take duct and the air cleaner case.

6 x 1.0 mm
10 N .
m (1.0kg-m, 7 Ib-ft)
AIR CLEANER

CASE

BREATHER PIPE

19. Disconnect the evaporative emission (EVAP) con- trol canister hose from throttle body.
20. Disconnect the brake booster vacuum hose from the intake manifold.
EVAP CONTROL CANISTER
EVAP CONTROL

CANISTER
HOSE
BRAKE BOOSTER

VACUUM HOSE 21. Disconnect the two engine wire harness connec-
tors from the side wire harness at left side of
engine compartment, and remove the engine wireharness terminal and the starter cable terminal
from the main fuse box and clamps.
22. Remove the ground cable from the transmission. MAIN FUSE BOX
6x1.0
mm
10 N .
m
(1.0 kg-m,
7 Ib-ft)
ENGINE WIRE

HARNESS

23. Remove the water hoses and the heater hose from the water passage.
HEATER HOSE
WATER HOSES
: CORROSION RESISTANT BOLTProCarManuals.com

System Description
Electrical Connections

FUSES
CLOCK (7.5 A)*

ACG
(120 A)**

ACG(S) (20 A)**

IG COIL (30 A)**

No. 2 (15 A)

No. 5 (10 A)
No.
4(15
A)

No. 7
(7.5
A)
In the under-hood
fuse/relay box In the engine
compartment
fuse/relay box

CKP/CYP

SENSOR

TO A/T
GEAR

POSITION
SWITCH

NEUTRAL

SWITCH
(M/T)

AUTO A/C

CONTROL

UNIT
CLUTCH
SWITCH
(M/T)
SERVICE

CHECK

CONNECTOR

A/C

PRESSURE

SWITCH A
A/C

PRESSURE

SWITCH B FUEL PUMP

RESISTORProCarManuals.com

System Description
System Connectors [Engine Compartment (Left Side)]
ENGINE WIREHARNESS C123
G103
C107
C106
ENGINE

COMPARTMENT
FUSE/RELAY

BOX

C108
C113
SIDE WIRE

HARNESS
C11
6
C532

C533
CONTROL
BOX

C534

C119
C121

C122
ProCarManuals.com

System Description
System Connectors [Front Compartment and Under-dash] (cont'd)

UNDER-HOOD
FUSE/RELAY

BOX
C464
C249

C446

C425

C439

C412

FLOOR

WIRE
HARNESS
SIDE

WIRE

HARNESS
UNDER-DASH
FUSE

BOX

C405

C406

C404

C318
C458
C228
FRONT

COMPARTMENT

WIRE
HARNESS
SUB RELAY

BOX AProCarManuals.com