Honda Acura NSX 1991 Service Manual page 923

Turn the ignition switch OFF.
Disconnect the 6-P connector
from the vent door control motor.
Turn the ignition switch ON.
Set the temperature control dial at
TEMP display 18, then measure
battery voltage between the
ground when turning the temper-
ature control dial at TEMP display
32.
After, measure battery voltage
between the YEL/BLU terminal
and body ground when turning
the temperature control dial at
TEMP display 18.
Is there battery voltage?
Y E S
Turn the ignition switch OFF.
Disconnect the 14-P connector
from the control unit.
Check for continuity between
or YEL/BLU terminals
and body grond.
Is there continuitv?
To page 22-36
R e p a i r o p e n i n YEL/BLK o r
wires between the vent
door control motor and control
unit.
or
RED