Honda Acura NSX 1991 Service Manual page 790

(From page 19-l 02)
Y E S
l Substitute a known-good
PGM-FI ECU and recheck.
l Check for poor connections or
loose wires.
TCINH check: see blow.
l signal
Start the engine.
Measure the voltage between the
TCS control unit No. 10 terminal
Check if the analog tester needle
pulses in small increments in the
range below 5 V.
approximately 2.5V?
(To page 19-I 04)
PGM-FI TEST HARNESS
An open in the GRNIYEL
N O
tween the TCS control unit and
PGM-FI ECU.
NOTE: Use the 10 V range or a similar range in the
analog tester.
C8
wire be-
20-P CONNECTdR
I 2 3 4 qtarls'7m
0 I I 12 13 14&5]16),17 I8 I9 20
View from terminal side.