Honda 2004 Odyssey Service Manual page 1631

Climate Control
DTC Troubleshooting (cont'd)
4. Connect the No. 4 and No. 5 terminals of the power
transistor 5P connector with a jumper wire.
POWER TRANSISTOR 5P CONNECTOR
BLU/RED
JUMPER WIRE
Wire side of female terminals
5. Turn the ignition switch ON (II).
Does the blower motor run at high speed?
YES Go to step 6.
NO Repair open in the wire between the power
transistor and the blower motor.
6. Turn the ignition switch OFF.
7. Disconnect the jumper wire.
Does the vehicle have a Navigation System?
YES Go to step 13.
NO Go to step 8.
8. Disconnect climate control unit connector A (8P).
21-100
BLK
9. Check for continuity between the No. 5 terminal of
climate control unit connector A (8P) and the No. 3
terminal of the power transistor 5P connector.
CLIMATE CONTROL UNIT CONNECTOR A (8P)
Wire side of female terminals
ORN/BLK
POWER TRANSISTOR 5P CONNECTOR
Wire side of female terminals
Is there continuity?
YES Go to step 10.
NO Repair open in the wire between the climate
control unit and the power transistor.
10. Check for continuity between the No. 5 terminal of
climate control unit connector A (8P) and body
ground.
CLIMATE CONTROL UNIT CONNECTOR A (8P)
ORN/BLK
Wire side of female terminals
Is there continuity?
YES Repair short to body ground in the wire
between the climate control unit and the power
transistor.
NO Go to step 11.
ORN/BLK