Honda Acura NSX 1991 Service Manual page 453

From page 14-64
Check for continuity between
D17 (BLU/GRN) terminal and the
NC speed sensor.
Is there continuity?
Is there continuity?
Y E S
Check for loose control unit con-
nectors. If necessary, substitute
a known-good control unit and
recheck.
Repair open in
wire between
D17 terminal and NC
speed sensor.
Repair open in BLUNEL
between D15 terminal
and NC speed sensor.