1997 ACURA NSX Service Repair Manual

Page 1329 of 1503

ACURA NSX 1997  Service Repair Manual UNDER-HOOD FUSE/RELA Y BO X
DIMME R RELA Y
Test , pag e 23-19 1
TAILLIGH T RELA YTest, pag e 23-19 2
RIGH T HEADLIGH T
RETRACTO R MOTO R
Test , pag e 23-190
Replacement , pag e
23-18 8
HEADLIGH T RELA

Page 1330 of 1503

ACURA NSX 1997  Service Repair Manual 
Switches

The lighting system is controlled by five switches and the turn signal cancel unit.

HEADLIGHT SWITCH 
HAZARD WARNING SWITCH

TURN SIGNAL and DIMMER SWITCH

TURN SIGNAL CANCEL SWITCH
TURN S

Page 1331 of 1503

ACURA NSX 1997  Service Repair Manual 
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 t

Page 1332 of 1503

ACURA NSX 1997  Service Repair Manual 
Wire 
Test condition

Test: Desired result 
Possible cause if result is not obtained

LT
 GRN/

RED 
Passing switch ON 
Check for voltage to ground:

There should be battery voltage. 
• Faulty head

Page 1333 of 1503

ACURA NSX 1997  Service Repair Manual Lighting Syste m
Daytim e Runnin g Light s Contro l Uni t Inpu t Tes t (Canada )
Remove th e glov e bo x lowe r pane l an d glov e box .
Disconnec t th e 4 P an d 8 P connector s fro m th e daytim e
r

Page 1334 of 1503

ACURA NSX 1997  Service Repair Manual Combination Light/Tur n Signa l Switc h Tes t
1. Remov e th e dashboar d lowe r cove r (se e pag e 23-184 ).
2 . Disconnec t th e 18 P connecto r fro m th e floo r wir e
harness .
3. Chec k fo r conti

Page 1335 of 1503

ACURA NSX 1997  Service Repair Manual Lighting Syste m
Headlight/Tur n Signa l Switc h Replacemen t
SRS component s ar e locate d i n thi s area . Revie w th e
SR S componen t locations , precautions , an d procedure s
i n  th e SR S sect

Page 1336 of 1503

ACURA NSX 1997  Service Repair Manual 
5. Disconnect the 18P and 10P connectors.

CAUTION: Be careful not to damage the SRS wire

harness.

6. Remove the six screws, then remove the headlight-

turn signal switch assembly.

HEADLIGHT SWIT