Honda 2004 Odyssey, Service Manual

Page: 1638 / 2459

−
−
−
−
−
−
−
−
＊０２
＊０１
Ｓ０Ｘ４Ａ１０Ｇ２４１０００５０６０２ＦＡＡＴ２０
YES
NO
YES
NO
YES
NO
YES
NO
21-107 21-107
Recirculation Control Motor Circuit
Troubleshooting
CLIMATE CONTROL UNIT CONNECTOR B (26P)
RED/WHT
BLK/YEL
RECIRCULATION CONTROL MOTOR
7P CONNECTOR
7. Turn the ignition switch OFF.
8. Disconnect the ECT sensor 2P connector.
9. Disconnect climate control unit connector B (26P).
10. Turn the ignition switch ON (II).
11. Measure the voltage between the No. 22 terminal
of climate control unit connector B (26P) and body
ground.
Check for loose wires or poor connections at
climate control unit connector B (26P) and at the
ECT sensor 2P connector. If the connections are
good, substitute a known-good climate control unit,
and recheck. If the symptom/indication goes away,
replace the original climate control unit.
Repair open in the wire between the climate
control unit and the ECT sensor.
1. Check the No. 3 (7.5A) fuse in the driver’s under-
dash fuse/relay box.
Go to step 2.
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.
Go to step 5.
Repair open in the wire between the
recirculation control motor and the No. 3 fuse in the
driver’s under-dash fuse/relay box.
5. Turn the ignition switch OFF.
6. Test the recirculation control motor (see page 21-
39).
• Without Navigation System: Go to step 7.
• With Navigation System: Go to step 12.
Go to step 17.
7. Disconnect climate control unit connector B (20P).
(cont’d)
Wire side of female terminals
Wire side of female terminals
Is ther e about 5 V ?
Is the f use OK ?
Is ther e batter y voltage?
Is the r ecir culation contr ol motor OK ?
03/07/29 10:13:30 61S0X050_210_0108