Honda Acura NSX 1991 Service Manual page 1124

Brake Warning System
-Parking Brake Switch Test
nector from the switch.
2 . There should be continuity between the positive ter-
minal and body ground with the brake lever up.
There should be no continuity with the brake lever
down.
NOTE: CANADA only
If the parking brake switch is OK but the brake warning
system does not function, perform input test for daytime
running light control unit (see page 23-176)
23-l 38
BODY GROUND
-Brake Fluid Level Switch Test-
1. Remove the reservoir cap. Check that the float
moves up and down freely.
Replace the reservoir cap assembly if the float does
not move freely.
2. Check for continuity between the terminals with the
float up and down.
There should be continuity with the float and no con-
tinuity with the float up.
Replace the reservoir cap assembly if necessary.
RESERVOIR C A P
DOWN POSITION
UP POSITION
witch contacts open, at
proper fluid level.
itch contacts closed
en float drops.