Honda 2004 Odyssey Service Manual page 1663

Rear Heater-A/C
Rear Blower Motor High Speed Circuit Troubleshooting - Hot and/or Cold
(cont'd)
9. Check for continuity between the No. 2 terminal of
the rear blower resistor 5P connector and the No. 4
terminal of the rear blower motor main relay 6P
connector.
REAR BLOWER RESISTOR 5P CONNECTOR
Wire side of female terminals
GRN/YEL
REAR BLOWER MOTOR MAIN RELAY
6P CONNECTOR
Wire side of female terminals
Is there continuity?
YES Go to step 10.
NO Repair open in the wire between the rear
blower resistor and the rear blower motor main
relay.
10. Remove the rear blower motor high relay, and test
it (see page 22-88).
Is the relay OK ?
YES Go to step 11.
NO Replace the rear blower motor high relay.
21-132
GRN/YEL
11. Check for continuity between the No. 2 terminal of
the rear blower motor main relay 6P connector and
the No. 1 terminal of the rear blower motor high
relay 4P connector.
REAR BLOWER MOTOR MAIN RELAY
6P CONNECTOR
Wire side of female terminals
BRN/YEL
REAR BLOWER MOTOR HIGH RELAY
4P CONNECTOR
Wire side of female terminals
Is there continuity?
YES Go to step 12.
NO Repair open in the wire between the rear
blower motor main relay and the rear blower motor
high relay.
12. Check for continuity between the No. 3 terminal of
the rear blower motor high relay 4P connector and
body ground.
REAR BLOWER MOTOR HIGH RELAY
4P CONNECTOR
Wire side of female terminals
Is there continuity?
YES Go to step 13.
NO Check for an open in the wire between the
rear blower motor high relay and body ground. If
the wire is OK, check for poor ground at G582.
BRN/YEL
BLK