Honda 2004 Odyssey Service Manual page 1549

Heating/Air Conditioning
DTC Troubleshooting (cont'd)
5. Turn the ignition switch ON (II), and check the same
terminals for voltage
HEATER CONTROL PANEL 22P CONNECTOR
BLU/GRN
BLU/
BLU/
BLK
WHT
Wire side of female terminals
Is there any voltage?
YES Repair any short to power in the wire(s)
between the heater control panel and the mode
control motor. This short may also damage the
heater control panel. Repair the short to power
before replacing the heater control panel.
NO Go to step 6.
21-18
LT GRN/BLK
GRN/YEL
GRN/BLK
YEL/GRN
6. Turn the ignition switch off.
7. Check for continuity between following terminals
of the heater control panel 22P connector and the
mode control motor 7P connector.
22P: 7P:
No. 6 No. 3
No. 7 No. 4
No. 8 No. 5
No. 14 No. 2
No. 15 No. 1
No. 17 No. 7
No. 18 No. 6
HEATER CONTROL PANEL 22P CONNECTOR
Wire side of female terminals
BLU/GRN
BLU/WHT
BLU
/BLK
BLU/BLK
BLU/WHT
BLU/GRN
MODE CONTROL MOTOR 7P CONNECTOR
Wire side of female terminals
Is there continuity?
YES Check for loose wires or poor connections at
the heater control panel 22P connector and at the
mode control motor 7P connector. If the
connections are good, substitute a known-good
heater control panel, and recheck. If the symptom/
indication goes away, replace the original heater
control panel.
NO Repair any open in the wire(s) between the
heater control panel and mode control motor.
LT GRN/BLK
GRN/YEL
GRN/BLK
YEL/GRN
YEL
/GRN
GRN/BLK
GRN/YEL
LT GRN/BLK