Honda 2004 Odyssey Service Manual page 1928

PNK Wire Communication Line Test
1. Disconnect driver's multiplex control unit
connector B (22P).
2. Disconnect passenger's multiplex control unit
connector B (22P).
3. Check for continuity between No. 1 terminal of the
driver's multiplex connector B (22P) and No. 9
terminal of the passenger's multiplex connector B
(22P).
DRIVER'S MULTIPLEX CONTROL UNIT CONNECTOR B (22P)
PASSENGER'S MULTIPLEX
CONTROL UNIT CONNECTOR B (22P)
Is there continuity?
YES Replace the multiplex control unit most
closely related to the failure.
NO Repair an open in the wire between the door
multiplex B (22P) connector and the passenger's
multiplex B (22P) connector.
Shorted Communication Line Test
1. Remove the driver's multiplex control unit from the
driver's under-dash fuse/relay box.
2. Carefully pry off the driver's door switch trim (see
page 20-7).
3. Disconnect door multiplex connector A (20P).
4. Disconnect passenger's multiplex control unit
connector B (22P).
5. Check for continuity between No. 15 terminal of
door multiplex connector A (20P) and body ground.
PNK
Is there continuity?
YES
door multiplex control unit connector A (20P) and
the driver's under-dash fuse/relay box.
NO Go to step 6.
6. Check for continuity between No. 9 terminal of
passenger's multiplex connector B (22P) and body
ground.
Is there continuity?
YES
passenger's multiplex control unit connector B
(22P) and driver's multiplex control unit connector
B (22P).
NO Replace driver's multiplex control unit and
recheck the symptom.
DOOR MULTIPLEX CONTROL UNIT CONNECTOR A (20P)
Repair short to ground in the wire between
PASSENGER'S MULTIPLEX
CONTROL UNIT CONNECTOR B (22P)
Repair short to ground in the wire between
PNK
22-249 22-249