Honda Acura NSX 1991 Service Manual page 1311

(From page 23-326)
the floor wire harness.
YES
Connect a voltmeter between
the No. 9 terminal of the 30P
connector and body ground.
Turn the ignition switch ON.
Measure the voltage between
the No. 9 terminal and body
ground.
N O
the indicator
Replace
bulb.
HARNESS
4-P
1
CONNECTOR
,
View from terminal side.
CONNECTOR