Honda Civic Service Manual page 1424

Recirculation Control Motor
Test
L
Disconnect the 4P connector from the recirculation
control motor.
Connect battery power to the No. I terminal, and
ground the No.2 and No. 4 terminals; the recircula-
tion control motor should run smoothly.
CAUTION: Never connest ths battery in the oppo-
site direction.
Disconnect the No. 2 or No. 4 terminals from ground;
the recirculation control motor should stop at FRESH
or RECIRCULATE.
NOTE: Don't cycle the recirculation control motor
for a long time.
RECIRCULATION CONTROL MOTOR
4. lf the recirculation control motor does not run in step
2, remove it, then check the recirculation control link-
age and door for smooth movement. lf they move
smoothly, replace the recirculation control motor.
21-48
Replacement
L
Disconnect the 4P connector from the recirculation
c o n t r o l m o t o r , a n d r e m o v e t h e w i r e h a r n e s s c l i p
from it.
Remove the two self-tapping screws and the recir-
culation control motor.
Install in the reverse order of removal. After installa,
tion, make sure the recirculation control motor runs
smoothly.
4P CONNECTOR
CONTROL MOTOR