Honda Acura NSX 1991 Service Manual page 921

From page 22-32
I
Check for continuity between the
each wires and body ground.
Is there continuity?
N O
Test the recirculation control mo-
tor at the blower (page 22-89).
Is the motor OK?
Y E S
Substitute a known-good control
unit and recheck. If symptomlindi-
Repair any short in wire(s) be-
tween the recirc. motor and con-
trol unit.
NO
Replace the motor.
LT
CONTROL MOTOR