Acura NSX 1997 Service Manual page 1111

Main Menu
Wire Test condition
Under all conditions
LT GRN/
WHT
Under all conditions
BLU/RED
Under all conditions
RED/YEL
Passing switch ON
LTGRN/
RED
Hood open
2
YEL/GRN
Hood closed
Ignition key is in the
ignition switch.
BLU/GRN
Ignition key is not in
the ignition switch.
Engine compartment
lid open
BLU
Engine compartment
lid closed
BLK/BRN Under all conditions
or BLK/
LT GRN
Trunk key in UNLOCK
BRN/WHT
Trunk lid open
WHT
Trunk lid closed
Table of Contents
Test: Desired result
Attach to ground: All horns should
sound.
Attach to ground:
The headlights should come on.
Connect to ground:
The taillights should come on.
Check for voltage to ground:
There should be battery
voltage.
Check for continuity to ground:
There should be continuity.
Check for continuity to ground:
There should be no continuity.
Check for continuity to ground:
There should be continuity.
Check for continuity to ground:
There should be no continuity.
Check for continuity to ground:
There should be continuity.
Check for continuity to ground:
There should be no continuity.
Check for continuity to ground:
There should be continuity.
Check for continuity to ground:
There should be continuity.
Check for continuity to ground:
There should be continuity.
Check for continuity to ground:
There should be no continuity.
Possible cause if result is not obtained
• Blown No. 45 (20 A) fuse
• Faulty horn relay
• Faulty horn (either)
• Poor ground (G301 or G302)
• An open in the wire
• Faulty headlight relay
• Faulty headlight system
• An open in the wire
• Faulty taillight relay
• Faulty taillight system
• An open in the wire
• Faulty passing switch
• Faulty dimmer relay
• Faulty headlight relay
• An open in the wire
• Faulty hood switch
• Misadjusted hood switch
• Poor ground (G301)
• An open in the wire
• Faulty ignition key switch
• Poor ground (G401, G402, G403)
• An open in the wire
• Faulty engine compartment lid
switch
• Misadjusted engine compartment
lid switch
• Poor ground (G401, G402, G403)
• An open in the wire
• Poor ground (G404)
• An open in the wire
• Faulty trunk key
• Poor ground (G551)
• An open in the wire
* Faulty trunk latch switch
• Misadjusted trunk latch switch
• Poor ground (G551)
• An open in the wire
(cont'd)
23-323