fuses ACURA NSX 1997 Service Repair Manual

Electrical Connection s
FUSES
BRAK E LIGHT S HOR N (20A )
TH L MOTO R (20A)* *
CLOC K (7.5A) *
AC G (120A)* *
ACG(S ) (20A)* *
I G COI L (30A)* *
No . 2 FUE L PUM P SRS 2 (15A )
No . 5 BACK-U P LIGHT S
ALTERNATO R
TURN SIGNAL S (15A )
STARTE R SIGNA L (7.5A)** *
AI R PUM P (60A)* * I
n th e under-hoo d fuse/rela y bo x
I n th e engin e compartmen t fuse/rela y bo x
I n th e under-das h fus e bo x
System Description
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Lighting System

HID Lamp System Troubleshooting

1. Check the No. 49 (20 A) or No. 52 (20 A) fuse in the

main under-hood fuse/relay box.

Are the fuses OK?

YES — Go to step 2.

NO — Replace the fuse (s), and recheck.

2. Substitute a known-good HID bulb and recheck.

Does the headlight low beam come on?

YES — Replace the HID bulb.

NO — Go to step 3.

3. Disconnect the 2P connector from the inverter unit.

4. Turn the combination light switch ON.

5. Measure the voltage between the No. 2 terminal of

the inverter unit 2P connector and body ground.
7. Check for continuity between the No. 1 terminal of

the inverter unit 2P connector and body ground.

Is there continuity?

YES — Substitute a known-good inverter, and

recheck. If the symptom/indication goes away,

replace the original inverter unit.

NO — Repair open in the wire between the inverter

unit and body ground. If the wire is OK, check for

poor ground at G202 or G302.ProCarManuals.com

3-15
T
ITEMMETRICENGLISH
ELECTRICALBattery
Starter
Alternator
Fuses
In the under-dash fuse box
In the under-hood fuse/relay box
In the engine compartment
fuse/relay box
Headlights, high, low
Front turn signal lights
Front parking lights
Rear turn signal lights
Brake/Taillights
Taillights
Front side marker lights
Rear side marker lights
Back-up lights
License plate lights
Gauge lights
Indicator lights
Glove box and fuse lights
Ceiling lights
Trunk lights
Door courtesy lights
Footwell light
Illumination and indicator lights
High mount brake light12 V – 52AH/5HR
12 V – 55AH/5HR
12 V – 1.4 kW
12 V – 120 A
7.5 A, 10 A, 15 A
7.5 A, 10 A, 15 A, 20 A, 30 A, 40 A, 50 A
10 A, 20 A, 30 A, 40 A, 120 A
12 V – 65 W/35 W (HID)
12 V – 45 CP
12 V – 5 W
12 V – 45 CP
12 V – 32/2 CP
12 V – 2 CP
12 V – 3 CP
12 V – 3 CP
12 V – 32 CP
12 V – 8 W
12 V – 3.0 W, 1.4 W
12 V – 1.4 W, 1.96 W
12 V – 3.4 W
12 V – 8 W
12 V – 3.4 W
12 V – 3.4 W
12 V – 5 W
12 V – 1.4 W, 0.84 W
12 V – 0.91 W, LED
LED
TIRE
M/T
A/T
BRAKE SYSTEM
Front: 215/40 R17 83Y Rear: 255/40 R17 94Y165/80 D 16 (Folding spare tire)
Power assisted self-adjusting
ventilated disc
58.0/38.8 cm
28.99/6.01 sq in
Mechanical expanding, rear two wheel
brakes
WHEEL
ALIGNMENTCamber Front
Rear
Caster
Toe Front
Rear–0 °20 ’
–1 °30 ’
8 °
Out 3.5 mm Out 0.14 in
In 4.0 mm In 3/16 in
NOTES
Size
Type, front and rear
Pad and lining surface area: front/rear
Parking brake type
*04-NSX (61SW004)SEC03(01-16) 9/22/04 1:49 PM Page 3-15
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Troubleshooting

Tips and Precautions

Before Troubleshooting

Check applicable fuses in the appropriate fuse box.

Check the battery for damage, state of charge, and

clean and tight connections.

Check the alternator belt tension.

CAUTION:

Do not quick-charge a battery unless the battery

ground cable has been disconnected.

Otherwise you will damage the alternator

diodes.

Do not attempt to crank the engine with the bat-

tery ground cable loosely connected or you will

severely damage the wiring.

Handling Connectors

Make sure the connectors are clean and have no loose

wire terminals.

Make sure multiple cavity connectors are packed with

grease (except watertight connectors).

All connectors have push-down release type locks.

LOCKING TAB

Some connectors have a clip on their side used to at-

tach them to a mount bracket on the body or on

another component. This clip has a pull type lock.

Some mounted connectors cannot be disconnected

unless you first release the lock and remove the con-

nector from its bracket.

(21

LOCKING'

PAWL ON

OTHER

HALF OF

CONNECTOR
Pull to

disengage

BRACKET
Never try to disconnect connectors by pulling on their

wires; pull on the connector halves instead.

Always reinstall plastic covers.

Before connecting connectors, make sure the ter-

minals are in place and not bent.

BENT TERMINAL

Check for loose retainer and rubber seals.

RETAINER
RUBBER SEAL RETAINER

The backs of some connectors are packed with

grease. Add grease if needed. If the grease is con-

taminated, replace it.

(cont'd)ProCarManuals.com

Lighting System

Retractable Headlight Control Unit Input Test

Remove the rear bulkhead panels, and disconnect the

18P connector from the control unit.

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.
BLU/RED

Wire Test condition Test: Desired result Possible cause if result is not obtained

BLK1

BLK2

RED/GRN2

WHT/GRN

YEL/WHT

PNK/BLK

RED/YEL'

RED/GRN1
Under all conditions

Headlight switch OFF and

retractor switch OFF

Retractor switch OFF

Retractor switch ON

Headlight switch

(headlights on)

Headlight switch

(headlights on)
Check for continuity to ground:

There should be continuity.

Check for voltage to ground:

There should be battery

voltage.

Check for voltage to ground:

There should be battery

voltage.

Check for voltage to ground:

There should be battery

voltage.

Check for voltage to ground:

There should be battery

voltage.

Check for voltage to ground:

There should be battery

voltage.
• Poor ground (G401, G402, G403)

• An open in the wire

• Poor ground (G401, G402, G403)

• An open in the wire

• Blown No. 42 (15 A) and No. 43 (15 A)

fuses

• Faulty retractor switch or headlight

switch

• An open in the wire

• Blown No. 42 (15 A) and No. 43 (15 A)

fuses

• Faulty retractor switch

• An open in the wire

• Blown No. 42 (15 A) and No. 43 (15 A)

fuses

• Faulty retractor switch

• An open in the wire

• Blown No. 43 (15 A) fuse

• Faulty headlight switch

• An open in the wire

• Blown No. 52 (20 A) fuse

• Faulty headlight relay or headlight

switch

• An open in the wire

• Blown No. 49 (20 A) fuse

• Faulty headlight relay or headlight

switch

• An open in the wire
NOTE: Different wires with the same color have

been given a number suffix to distinguish them

(for example, RED/YEL1 and RED/YEL4 are not the

same).ProCarManuals.com

Lighting System

Retractor Motor Replacement

CAUTION:

Halogen headlights can become very hot in use; do

not touch them or the attaching hardware immediately

after they have been turned off.

Do not try to replace or clean headlights with the lights

1. Remove the No. 42 (15 A) and No. 43 (15 A) fuses

from the under-hood fuse/relay box.

No. 43
(15A)

FUSE

No. 42
(15A)

FUSE

UNDER-HOOD FUSE/RELAY BOX

2. Turn the knob clockwise to raise the headlight.

CAP
3. Remove the two caps, four screws, and cowl clips.

COWL CLIP

CAP

4. Slide the headlight housing forward and up.

NOTE: Be careful not to damage the front bumper

or the headlight housing.

HEADLIGHT HOUSING

PROTECTIVE TAPE

5. Disconnect the 6P connector from the headlight

unit.

6P CONNECTOR
MOUNTING

BOLTS

HEADLIGHT UNIT

6. Remove the four mounting bolts, then remove the

unit.
KNOB
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