Honda Acura NSX 1991 Service Manual page 931

From page 22-42
Does the blower motor run?
YES
Turn the ignition switch OFF.
the BLK/BLU wire terminal and
Measure voltage between the
YEL/BLK wire (+) terminal and
body ground.
YES
To page 22-44
Repair open in BLKIBLU wire be-
N O
tween blower motor and blower
high relay.
Repair open in BLK wire between
Repair open in YELIBLK wire be-
tween ignition switch and blow-
er high relay.