Honda 2004 Odyssey Service Manual page 1952

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 (see page 22-77).
• 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
B21 BLU
F3 BLK/BLU
·
J8
F7 ORN
·
J11
F5 BLU/ORN
F6 BLK/ORN
A14 GRN/WHT
A16 GRN
B14 RED/BLU
F2 GRN/BLK
I4 GRN/BLK
: '01-04 EX and '02-04 EXL models
NOTE: When testing lock knob switches, make sure all doors are closed and locked, then unlock them one at a time.
Test condition
Ignition switch ON (II) Check for voltage to ground:
There should be less than 1 V with
interior light switch in the DOOR
position.
Front passenger's door lock Check for voltage to ground:
or tailgate ( ) key cylinder There should be 1 V or less.
locked
Front passenger's door lock Check for voltage to ground:
or tailgate ( ) key cylinder There should be 5 V or more.
in neutral or unlocked
Front passenger's door lock Check for voltage to ground:
or tailgate ( ) key cylinder There should be 1 V or less.
unlocked
Front passenger's door lock Check for voltage to ground:
or tailgate ( ) key cylinder There should be 5 V or more.
in neutral or locked
Front passenger's door lock Check for voltage to ground:
switch in UNLOCK There should be 1 V or less.
Front passenger's door lock Check for voltage to ground:
switch in neutral or locked There should be 5 V or more.
Front passenger's door lock Check for voltage to ground:
switch in LOCK There should be 1 V or less.
Front passenger's door lock Check for voltage to ground:
switch in neutral or There should be 5 V or more.
unlocked
Right sliding door open Check for voltage to ground:
There should be 1 V or less.
Right sliding door closed Check for voltage to ground:
There should be 5 V or more.
Front passenger's door Check for voltage to ground:
open There should be 1 V or less.
Front passenger's door Check for voltage to ground:
closed There should be 5 V or more.
Right sliding door lock knob Check for voltage to ground:
unlocked (door fully closed) There should be 1 V or less.
Right sliding door lock knob Check for voltage to ground:
locked (door fully closed) There should be 5 V or more.
Front passenger's door lock Check for voltage to ground:
knob unlocked There should be 1 V or less.
Front passenger's door lock Check for voltage to ground:
knob locked There should be 5 V or more.
Tailgate lock knob unlocked Check for voltage to ground:
There should be 1 V or less.
Tailgate lock knob locked Check for voltage to ground:
There should be 5 V or more.
Test: Desired result Possible cause if result is not obtained
• Poor ground (G502)
• Faulty connections at the audio or
navigation unit
• Faulty audio unit
• Faulty navigation display unit
• An open in the wire
• Poor ground (G581)
• Faulty or misadjusted front
passenger's door lock key cylinder
switch
• An open in the wire
• A short to ground
• Poor ground (G581)
• Faulty front passenger's door lock
switch
• An open in the wire
• A short to ground
• Faulty right sliding door switch
• An open in the wire
• A short to ground
• Faulty front passenger's door switch
• An open in the wire
• A short to ground
• Poor ground (G581)
• Faulty right sliding door lock knob
switch
• Poor junction connector connection
• An open in the wire
• A short to ground
• Poor ground (G581)
• Faulty front passenger's door lock
knob switch
• Faulty tailgate knob switch
• An open in the wire
• A short to ground
(cont'd)
22-273