Honda Acura NSX 1991 Service Manual page 442

Self-diagnosis D indicator light
blinks once.
Disconnect the 26P connector
from the control unit.
Turn the ignition switch ON.
Measure the voltage between the
A 6 a n d A 2 5
Is there voltage?
NO
Turn the ignition switch OFF.
Disconnect the 2P connector from
the lock-up control solenoid valve
assembly. ,
Check for continuity between the
A 6 a n d A 2 5
Is there continuity?
NO
Connect the 2P connector to the
lock-up control solenoid valve
sembly.
I
Measure the resistance between
Check for loose control unit con-
nectors. If necessary, substitute
a known-good control unit and
wire between the A6
terminal and the lock-up
control solenoid valve
Repair short to ground
in REDIWHT wire be-
tween the A6 terminal
and the lock-up control
solenoid valve A.
as-
I
C h e c k f o r o p e n i n
w i r e b e -
tween the A6 terminal
and the lock-up control
solenoid valve A. If wire
is OK, check the Lock-
up Control Solenoid
Valve A.
NOTE: View from terminal side.
0 V?
0 0,