Recirculation Control Motor Circuit Troubleshooting - Honda 2002 Accord Manual

Heating
Recirculation Control Motor Circuit Troubleshooting
1. Check the No. 3 (7.5A) fuse in the driver's under-
dash fuse/relay box.
Is the fuse OK?
Y E S - G o to step 2.
NO—Replace the fuse, and recheck. •
2. Disconnect the recirculation control motor 7P
connector.
3. Turn the ignition switch ON (II).
4. Measure the voltage between the No. 1 terminal of
the recirculation control motor 7P connector and
body ground.
R E C I R C U L A T I O N C O N T R O L M O T O R
7P C O N N E C T O R
W i r e s i d e o f f e m a l e t e r m i n a l s
B L K / Y E L
Is there battery voltage?
Y E S - G o to step 5.
NO—Repair open in the wire between the No.3 fuse
in the driver's under-dash fuse/relay box and the
recirculation control motor. •
5. Turn the ignition switch O F F .
6. Test the recirculation control motor (see page 2 1 -
22).
Is the recirculation control motor OK?
Y E S - G o to step 7.
N O - G o t o step 12.
7. Disconnect the heater control panel 22P connector.
8. Check for continuity between the No. 1 and No. 11
terminals of the heater control panel 22P connector
and body ground individually.
H E A T E R C O N T R O L P A N E L 2 2 P C O N N E C T O R
W i r e s i d e o f f e m a l e t e r m i n a l s
1 2 3 4 5 6 7 8 9 10
11 12 13 14 15 16
X
17 18 19 20 21 22
G R N / R E D
Is there continuity?
YES—Repair any short to body ground in the wire
(s) between the heater control panel and the
recirculation control motor. •
N O - G o t o step 9.
9. Turn the ignition switch ON (II), and check the same
wires for voltage.
H E A T E R C O N T R O L P A N E L 2 2 P C O N N E C T O R
W i r e s i d e o f f e m a l e t e r m i n a l s
1 2 3 4 5 6 7 8 9 10
11 12 13 14 15 16
X
17 18 19 20 21 22
G R N / R E D
Is there any voltage?
YES—Repair any short to power in the wire(s)
between the heater control panel and the
recirculation control motor. This short also
damages the heater control panel. Repair the short
to power before replacing the heater control
p a n e l . •
N O - G o t o step 10.
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