Honda 2004 Odyssey Service Manual page 1822

8. With the control unit still disconnected, make these input tests at the connector and fuse/relay box socket.
• If any test indicates a problem, find and correct the cause, then recheck the system.
• If all the input tests prove OK, go to step 9.
Cavity Wire
A22 Fuse/relay
box socket
A21
9. Reconnect the passenger's multiplex control unit to the fuse/relay box, and perform the following input tests at
the appropriate connectors on the back of the fuse/relay box.
• If any test indicates a problem, find and correct the cause, then recheck the system.
• If all the input tests prove OK, go to step 10.
Cavity Wire
A16 GRN
A14 GRN/WHT
Test condition Test: Desired result
Ignition switch Check for voltage to ground:
ON (II) There should be battery voltage.
Ceiling light Attach to ground:
switches in the Ceiling lights should come on.
middle (Door)
position
Test condition Test: Desired result
Passenger's Check for voltage to ground:
door open There should be 1 V or less.
Passenger's Check for voltage to ground:
door closed There should be 5 V or more.
Right sliding Check for voltage to ground:
door open There should be 1 V or less.
Right sliding Check for voltage to ground:
door closed There should be 5 V or more.
Possible cause if result is not obtained
• Blown No. 9 (10A) fuse in the
driver's under-dash fuse/relay box
• An open in the wire
• Blown No. 11 (10A) fuse in the
passenger's under-dash fuse/
relay box
• Blown No. 54 (40A) fuse in the
under-hood fuse/relay box
• Faulty interior lights relay
• Faulty interior lights switch
• Faulty ceiling light bulb
• Poor ground (G401)
• An open in the wire
Possible cause if result is not obtained
• Faulty front passenger's door
switch
• An open in the wire
• Faulty front passenger's door
switch
• A short to ground in the wire
• Faulty right rear door switch
• An open in the wire
• Faulty right rear door switch
• A short to ground in the wire
(cont'd)
22-143