Honda Prelude 1993 Service Manual page 1249

Liqhts-on Reminder
Sy-stem
Chime Test
Key-in Reminder System
lgnition Key Switch Test
NOTE: Refer to page 23-164 tor the diagram oJ the
key-in beep€r circuit, and page 23-168 for the input
test of the beeper circuit.
When the ignition key is not removed, the key-in beeper
in the integrated control unit senses ground through the
closed ignition key switch. when you open the driver's
door, the beeper circuit senses gtound through the clos-
ed door switch. With ground at the
"BLU/WHT2" and
"88" terminals, the beeper sounds.
1. Remove the dashboard lower cover and knee
bolster (see page 23-68).
2.
Disconnect the 8-P connector from the main wire
harness.
Check continuity between terminals A and B
a There should be continuity with the key in the ig-
nition switch.
a There should be no continuity with the key
removgd.
8-P CONNECTOR
NOTE: Refer to page 23-165 tor the diagram of the
lights-on reminder circuit, and page 23-169 for the in-
put test of the circuit.
When the ignition key is turned to
"O" position and
removed. with the lights on, voltage is applied to the
reminder circuit on the integrated control unit. When
you open the driver's door, the circuit senses ground
through the closed door switch.
With voltage at the
"86" terminal, ground at the "88"
terminal and no voltage at the
"B9" terminal, the chime
sounds to remind the driver to turn off the lights.
1. Bemove the dashboard lower cover and knee
bolster.
2.
Disconnect the 2-P connector from the main wire
harness.
2-P CONNECTOR
Test the chime by connecting battery power to No.
1 terminal, grounding to No. 2 terminal, and cycling
the power on-off repeatedly.
lf the chime fails to sound every time power is cy
cled, replace it.
4 .
23-1 7 1