Honda Acura NSX 1991 Service Manual page 814

(From page 19-l 25)
Measure the voltage between the
No. 27 (GRNIWHT), the No. 28
nector for the TCS control unit
and body ground.
Is there battery voltage?
N O
Turn the ignition switch OFF.
Disconnect the 1 O-P connector
from the TCS control unit.
Check for continuity between the
No. 29 (BLK), the No. 30 (BLK)
terminals of the 10-P connector
for the TCS control unit and body
Y E S
19-l 28)
Substitute a
known-good TCS
Y E S
control unit and recheck.
(Internal short in the TCS control
unit)
View from terminal side
THROTTLE.
ACTUATOR
TCS
CONTROL UNIT
THROTTLE
ACTUATOR
I
Repair open in the BLK wire
l
N O
between the TCS control unit
and body ground.
Poor ground (6101).
l
1 O-P CONNECTOR
GRN WIRE (COMI)
IO-P CONNECTOR
BLK WIRE (PG,/
From FAIL-SAFE RELAY
LT GRNlBLK
I
W H T
From FAIL-SAFE RELAY
I
G i 0 1
View from terminal side
BLK WIRE (PG,)