Recirculation Control Motor Circuittroubleshooting - Honda Civic Service Manual

3 .
Recirculation Control Motor Circuit Troubleshooting
1 . C h e c k t h e N o . 1 4 ( ' 1 0 A ) f u s e i n t h e u n d e r - d a s h f u s e /
relay box.
ls the f use OK?
YES Go to step 2.
NO- Replace the fuse, and recheck.l
2. Disconnect the recirculation control motor 5P
conneclor.
Turn the ignition switch ON (ll).
lvleasure the voltage between the No. 5 terminal of
the recirculation control motor 5P connector and
body ground.
RECIRCULATION CONTROL MOTOR
5P CONNECTOR
7 .
Wire side of female terminals
ls there battery voltage?
YES Go to step 5.
NO- Repair open in the wire between the No. 14
fuse in the under-dash fuse/relay box and the
recirculation control motor .l
Turn the ignition switch OFF.
Testthe recirculation control motor {see page 21-
3 6 ) ,
ls the recirculation control motor OK?
YES Go to step 7.
NO- Replace the recirculation control motor, or
r e p a i r t h e l i n k a g e a n d d o o r s . I
Disconnect heater control panel connector A (14P).
5 .
6 .
8. Check for continuity between the No. 5 and No. 6
terminals of heater control panel connector A (14P)
and body ground individually.
HEATER CONTROL PANEL CONNECTOR A I14P)
Wire side of female terminals
ls there continuity?
YES Repair any shortto body ground in the
wire(s) between the heater control panel and the
recirculation control motor.l
NO-Go to step 9.
9. Turn the ignition switch ON (ll), and check the same
wires for voltage.
HEATER CONTROL PANEL CONNECTOR A Il4PI
Wire side of lemale terminals
ls therc any voltage?
Y E S R e p a i r a n y s h o n t o p o w e r i n t h e w i r e ( s )
between the heater control panel and the
recirculation control motor. This shon may also
d a m a g e t h e h e a t e r c o n t r o l p a n e l . R e p a i r t h e s h o n
to power before replacing the heater control
p a n e l . I
N O - G o t o s t e p 1 0 .
{cont d r
21-25