Honda 2004 Odyssey Service Manual page 2051

Navigation System
Symptom Troubleshooting (cont'd)
10. Check for continuity between navigation unit
connector B (16P) terminal No. 3 and the audio unit
20P connector terminal No. 14.
NAVIGATION UNIT CONNECTOR B (16P)
MUTE (WHT/BLK)
AUDIO UNIT
20P CONNECTOR
Wire side of female terminals
Is there continuity?
YES Go to step 11.
NO Repair open in the wire between the
navigation unit and the audio unit.
22-372
11. Check for continuity between navigation unit
connector B (16P) terminal No. 10 and the audio
unit 20P connector terminal No. 11.
NAVIGATION UNIT CONNECTOR B (16P)
GND RG (ORN)
AUDIO UNIT
20P CONNECTOR
Wire side of female terminals
Is there continuity?
YES Go to step 12.
NO Repair open in the wire between the
navigation unit and the audio unit.
12. Substitute a known-good audio unit and recheck.
Is the system OK ?
YES Replace the audio unit (see page 22-342).
NO Replace the navigation unit
(see page 22-384).