Honda Acura NSX 1991 Service Manual page 461

From page 14-74
Reconnect the 26P and 22P
to the control unit.
Turn the ignition switch ON. Be
sure that the voltage is available
for 2 seconds between the A8
Is there voltage?
N O
Turn the ignition switch OFF.
Disconnect the 26P and 22P con-
nectors from the control unit.
Check for continuity between the
A8 (YELIBLK) terminal and the
gauge assembly.
Check for loose control unit con-
nectors. Check the shift position
console switch. If necessary, sub-
stitute a known-good control unit
and recheck.
Repair open or short
the A23 andlor A24
terminals and dash fuse
box.
I
Check for open or short
in YELlBLK wire be-
tween the A8 terminal
and the gauge assem-
bly. If wire is OK, check
the D indicator light and
the shift position in-
dicator.
NOTE: View from terminal side.