Honda 2004 Odyssey Service Manual page 1625

Climate Control
DTC Troubleshooting (cont'd)
4. Turn the ignition switch ON (II), and check the same
terminals for voltage.
CLIMATE CONTROL UNIT CONNECTOR B (20P)
RED/YEL
PNK/BLK
YEL/GRN
GRY
Wire side of female terminals
Is there any voltage?
YES Repair any short to power in the wire(s)
between the climate control unit and the air mix
control motor. This short may also damage the
climate control unit. Repair the short to power
before replacing the climate control unit.
NO Substitute a known-good air mix control
motor, and recheck. If the symptom/indication goes
away, replace the original air mix control motor. If
the symptom/indication continues, substitute a
known-good climate control unit, and recheck. If
the symptom/indication goes away, replace the
original climate control unit.
21-94
RED/WHT
5. Disconnect climate control unit connector B (26P).
6. Check for continuity between body ground and
climate control unit connector B (26P) terminals
No. 1, 3, 21, 25 and 26 individually.
CLIMATE CONTROL UNIT CONNECTOR B (26P)
GRY
YEL/
GRN
Wire side of female terminals
Is there continuity?
YES Repair any short to body ground in the
wire(s) between the climate control unit and the air
mix control motor.
NO Go to step 7.
RED/
PNK/
RED/
WHT
BLK
YEL