Honda Acura NSX 1991 Service Manual page 1153

Key-on Reminder System
NOTE: Refer to page 23-l 58 for wiring description of
the key-on beeper circuit, and page 23-l 60 for input test
of the beeper circuit.
When the ignition key is not removed, the key-on beep-
er in the integrated control unit senses ground through
the closed ignition key switch. When you open the
driver's door, the beeper circuit senses ground through
the closed door switch. With ground at thee "Al 1" and
"B2" terminals, the beeper sounds.
-Ignition Key Switch Test
1 . Remove the dashboad lower panel and dashboard
center panel.
2. If necessary, remove the knee bolster.
3. Disconnect the 8-P connector from the floor wire
harness.
There should be continuity between the No. 8 and
4.
No. 7 terminal when the ignition key is inserted in-
to the ignition key cylinder.
There should be no continuity when the ignition key
is removed.
KNEE BOLSTER
DASHBOARD CENTER
PANEL
DASHBOARD LOWER
PANEL