Honda 2004 Odyssey Service Manual page 1559

Heating/Air Conditioning
Radiator and Condenser Fan Low Speed Circuit Troubleshooting (cont'd)
8. Reinstall the condenser fan relay.
9. Remove A/C diode A from the passenger's under-
dash fuse/relay box.
10. Check for current flow in both directions between
the No. 1 and No. 2 terminals of A/C diode A.
A/C DIODE A
1
2
1
Is there current f low in only one direction?
YES Go to step 11.
NO Replace A/C diode A.
11. Turn the ignition switch ON (II).
12. Measure the voltage between the No. 2 terminal of
A/C diode A 2P socket and body ground.
A/C DIODE A 2P SOCKET
Is there battery voltage?
YES Repair open in the wire between A/C diode A
and the A/C pressure switch.
NO Repair open in the wire between the
condenser fan relay and A/C diode A.
21-28
2
GRN
13. Disconnect the jumper wire.
14. Reinstall the condenser fan relay.
15. Disconnect the condenser fan 2P connector.
16. Turn the ignition switch ON (II), then turn the A/C
and fan switches ON.
17. Measure the voltage between the No. 2 terminal of
the condenser fan 2P connector and body ground.
CONDENSER FAN 2P CONNECTOR
Wire side of female terminals
Is there battery voltage?
YES Go to step 18.
NO Repair open in the wire between the
condenser fan relay and the condenser fan.
18. Turn the A/C and fan switches OFF, then turn the
ignition switch OFF.
19. Reconnect the condenser fan 2P connector.
20. Connect the No.1 terminal of the condenser fan 2P
connector to body ground with jumper wire.
CONDENSER FAN 2P CONNECTOR
BLU/RED
JUMPER
WIRE
Wire side of female terminals
BLU/YEL