Honda 2004 Odyssey Service Manual page 1548

6. Turn the ignition switch off.
7. Check for continuity between following terminals
of the heater control panel 22P connector and the
air mix control motor 7P connector.
22P: 7P:
No. 12 No. 2
No. 13 No. 1
No. 16 No. 7
No. 17 No. 5
No. 19 No. 3
HEATER CONTROL PANEL 22P CONNECTOR
Wire side of female termimals
RED/ GRY
RED/YEL
WHT
RED/WHT
RED/YEL
PNK/BLK
AIR MIX 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
air mix 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 the air mix control
motor.
8. Remove the air mix control motor (see page 21-37).
9. Check the air mix control linkage and door for
smooth movement.
Do the air mix control linkage and door move
smoothly?
YES Replace the air mix control motor.
NO Repair the air mix control linkage or door.
PNK/BLK
YEL/GRN
GRY
YEL/GRN
DTC 2: A Problem in the Mode Control Motor
Circuit
1. Disconnect the mode control motor 7P connector.
2. Test the mode control motor (see page 21-38).
Is the mode control motor OK ?
YES Go to step 3.
NO Go to step 8.
3. Disconnect the heater control panel 22P connector.
4. Check for continuity between body ground and the
heater control panel 22P connector terminals No. 6,
7, 8, 14, 15, 17 and 18 individually.
HEATER CONTROL PANEL 22P CONNECTOR
BLU/GRN
BLU/
BLU/
WHT
BLK
Wire side of female terminals
Is there continuity?
YES Repair any short to body ground in the
wire(s) between the heater control panel and the
mode control motor.
NO Go to step 5.
LT GRN/BLK
GRN/YEL
GRN/BLK
YEL/GRN
(cont'd)
21-17 21-17