Honda 2004 Odyssey Service Manual page 1647

Climate Control
Manual Switch (Navigation System Display) Troubleshooting
1. Disconnect navigation system display unit
connector A (5P).
2. Disconnect climate control unit connector A (16P).
3. Check for continuity between the following
terminals of climate control unit connector A (16P)
and navigation system display unit connector A
(5P).
16P 5P
No. 14 No. 3
No. 15 No. 2
No. 16 No. 4
CLIMATE CONTROL UNIT CONNECTOR A (16P)
Wire side of female terminals
GRN/ORN
YEL/BLU
YEL/BLU
NAVIGATION SYSTEM DISPLAY UNIT CONNECTOR A (5P)
Wire side of female terminals
Is there continuity?
YES Go to step 4.
NO Repair any open in the wire(s) between the
climate control unit and the navigation display
unit.
21-116
RED/GRN
RED/GRN
GRN/ORN
4. Check for continuity between the No. 14, 15 and 16
terminals of climate control unit connector A (16P)
and the body ground individually.
CLIMATE CONTROL UNIT CONNECTOR A (16P)
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
navigation system display unit.
NO Check for loose wires or poor connections at
climate control unit connector A (16P) and at
navigation system display unit connector A (5P). If
the connections are good, substitute a known-good
climate control unit, and recheck. If the problem
still exists, replace the navigation system display
unit.
RED/GRN
GRN/ YEL/
ORN BLU