Honda 2004 Odyssey Service Manual page 1558

Radiator and Condenser Fan Low Speed Circuit Troubleshooting
NOTE:
• Do not use this troubleshooting procedure if the
compressor is inoperative. Refer to the symptom
troubleshooting index.
• Before performing symptom troubleshooting, check
for powertrain DTCs (see page 11-3).
1. Check the No. 58 (30A) 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 2.
NO Replace the fuse(s), and recheck.
2. Remove the condenser fan relay from the under-
hood fuse/relay box, and test it (see page 22-88).
Is the relay OK ?
YES Go to step 3.
NO Replace the condenser fan relay.
3. Measure the voltage between the No. 1 terminal of
the condenser fan relay 4P socket and body ground.
CONDENSER FAN RELAY 4P SOCKET
Is there battery voltage?
YES Go to step 4.
NO Replace the under-hood fuse/relay box.
4. Connect the No. 1 and No. 2 terminals of the
condenser fan relay 4P socket with a jumper wire.
CONDENSER FAN RELAY 4P SOCKET
BLU/YEL
Does the condenser f an run?
YES Go to step 5.
NO Go to step 13.
5. Disconnect the jumper wire.
6. Turn the ignition switch ON (II).
7. Measure the voltage between the No. 4 terminal of
the condenser fan relay 4P socket and body ground.
CONDENSER FAN RELAY 4P SOCKET
BLK/YEL
Is there battery voltage?
YES Go to step 8.
NO Repair open in the wire between the No. 3
fuse in the driver's under-dash fuse/relay box and
the condenser fan relay.
JUMPER
WIRE
(cont'd)
21-27