Honda Acura NSX 1991 Service Manual page 1223

Horns
SRS wire harness is routed near the horns and related parts (SRS wire harness locations, page 23-323).
circuits.
CAUTION: Be careful not to damage the SRS wire harnesses when servicing the horn system.
SUB RELAY
BOX A
MAIN FUSE BOX
Security Alarm System:
The security alarm system is an anti-theft alarm system. If someone tries to open the trunk, hood or either door without
the ignition key, the security control unit senses a signal from the sensors and activates relays to flash the headlights
and sound the horn for about two minutes.
HORN RELAY
Test, page 23-242
CABLE REEL
Test, page 23-243
SECURITY CONTROL
UNIT
Input Test, page 23-311
HORN SWITCH
SRS 'MAIN WIRE HARNESS
Test, page 23-242
Overhaul, section 17
I
RIGHT HORN
Test, page 23-241
LEFT HORN
Test, page 23-241
23-239