Honda 2004 Odyssey Service Manual page 1947

Power Door Locks/Factory Keyless/Factory Security
Control Unit Input Test (cont'd)
4. With the driver's multiplex cotrol unit still disconnected, make these input tests at the connector and fuse/relay
box sockets.
• 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 5.
Cavity Wire
B11 BLK
A12 Fuse/relay
box socket
A24
A22
B16 RED/GRN
K4 RED/BLU
: '01-04 EX and '02-04 EXL models
22-268
Test condition
Under all Check for continuity to
conditions ground:
There should be continuity.
Under all Check for voltage to ground:
conditions There should be battery
voltage.
Ignition switch ON Check for voltage to ground:
(II) There should be battery
voltage.
Combination light Check for continuity to
switch ON ground:
There should be continuity.
Combination light Check for continuity to
switch OFF ground:
There should be no continuity.
Combination light Check the exterior lights:
switch ON and The taillights and parking
jump battery lights should come on.
voltage to B16
Under all Attach to ground:
conditions The indicator should come on.
Test: Desired result Possible cause if result is not obtained
• Poor ground (G501)
• An open in the wire
• Blown No. 13 (7.5A) fuse or
faulty passenger's under-dash
fuse/relay box
• An open in the wire
• Blown No. 9 (7.5A) fuse in the
driver's under-dash fuse/relay
box
• Faulty driver's under-dash fuse/
relay box
• Poor ground (G401)
• Faulty combination light switch
• An open in the wire
• Faulty taillight relay
• Faulty combination light switch
• An open in the wire
• Faulty security indicator
• Faulty gauge assembly
• An open in the wire