Honda 2004 Odyssey Service Manual page 1554

9. Turn the ignition switch OFF.
10. Disconnect the blower resistor 5P connector.
11. Measure the resistance between the No. 1 and
No. 5 terminals of the blower resistor.
BLOWER RESISTOR
Is there about 3 3.5 ?
YES Go to step 12.
NO Replace the blower resistor.
12. Reconnect the blower resistor 5P connector.
13. Disconnect the heater fan switch 7P connector.
14. Turn the ignition switch ON (II).
15. Ground each of the heater fan switch 7P connector
terminals individually in the following order: No. 3,
4, 5 and 6.
HEATER FAN SWITCH 7P CONNECTOR
BLU
BLU/YEL
Wire side of female terminals
Does the blower motor run at progressively higher
speeds?
YES Replace the heater fan switch.
NO Repair any open or cause of excessive
resistance in the appropriate wire(s) between the
blower resistor and the heater fan switch.
16. Turn the heater fan switch OFF and the ignition
switch OFF.
17. Check the No. 56 (40A) fuse in the under-hood
fuse/relay box, and the No. 3 (7.5A) fuse in the
driver's under-dash fuse/relay box.
Are the f uses OK ?
YES Go to step 18.
NO Replace the fuse(s), and recheck.
18. Connect the No. 2 terminal of the blower motor 2P
connector to body ground with a jumper wire.
BLOWER MOTOR 2P CONNECTOR
JUMPER
WIRE
Wire side of female terminals
BLU/RED
BLU/BLK
BLU/RED
(cont'd)
21-23