Honda Odyssey 2004. Manual — part 449
01
S0X4A00J32100041903FCAT10
Driver’s Multiplex Control Unit
22-124
Exterior Lights
Auto-off Headlight Control Unit Input Test
RED/GRN
RED/WHT
DRIVER’S UNDER-DASH FUSE/RELAY BOX SOCKET
(Driver’s multiplex control unit connctor A)
DRIVER’S MULTIPLEX CONTROL UNIT CONNECTOR B
(Plug into the driver’s multiplex control unit)
DRIVER’S UNDER-DASH FUSE/RELAY BOX CONNECTOR A
GRN/ORN
DRIVER’S UNDER-DASH FUSE/RELAY BOX CONNECTOR O
BLU/WHT
DRIVER’S UNDER-DASH FUSE/RELAY BOX CONNECTOR Q
BLU/WHT
RED/YEL
1. Before testing the exterior lights control functions, troubleshoot the multiplex control system (see page 22-244).
2. Remove the driver’s multiplex control unit from the driver’s under-dash fuse/relay box.
3. Inspect the connector and socket terminals to be sure they are all making good contact.
• If the terminals are bent, loose or corroded, repair them as necessary, and recheck the system.
• If the terminals look OK, go to step 4.
Wire side of female terminals
Wire side of female terminals
Wire side of female terminals
Wire side of female terminels
03/07/29 10:21:21 61S0X050_220_0126
Cavity
Wire
Test condition
Test: Desired result
Possible cause if result is not obtained
Cavity
Wire
Test condition
Test: Desired result
Possible cause if result is not obtained
22-125
4. With the driver’s multiplex control unit still disconnected, make these input tests at the 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 5.
•
•
•
•
Under all
conditions
Check for voltage to ground:
There should be battery voltage.
Blown No. 13 (7.5A) fuse in the
passenger’s under-dash fuse/relay
box
An open in the wire
Ignition switch
ON (II)
Check for voltage to ground:
There should be battery voltage.
Blown No. 9 (10A) fuse in the driver’s
under-dash fuse/relay box
Faulty driver’s under-dash fuse/relay
box
5. Reconnect the driver’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 22-76).
• 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 6.
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
Driver’s door
open
Check for voltage to ground:
There should be 1 V or less.
Faulty driver’s door switch
An open in the wire
Driver’s door
closed
Check for voltage to ground:
There should be 5 V or more.
Faulty driver’s door switch
A short to ground
Combination
light switch
ON
Check for voltage to ground:
There should be about 12 V.
Poor ground (G401)
Faulty combination light switch
Faulty driver’s multiplex control unit
Passing switch
ON
Check for voltage to ground:
There should be 1 V or less.
Poor ground (G401)
Faulty combination light switch
An open in the wire
Ignition key is
in the ignition
switch
Check for voltage to ground:
There should be 1 V or less.
Poor ground (G401)
Faulty ignition switch
An open in the wire
Ignition key is
out of the
ignition switch
Check for voltage to ground:
There should be 5 V or more.
Poor connection
Short to ground
Faulty driver’s multiplex control unit
Combination
light switch
ON
Check for voltage to ground:
There should be about 12 V.
Poor ground (G401)
Faulty combination light switch
Faulty driver’s side fuse box or driver’s
multiplex control unit
An open in the wire
Combination
light switch
ON
Check for voltage to ground:
There should be 1 V or less.
Poor ground (G401)
Faulty combination light switch
An open in the wire
: Multiplex connector B
(cont’d)
A12
Fuse/
relay
box
socket
A24
A3
GRN/
ORN
B16
RED/
GRN
B13
RED/
WHT
O9
BLU/
WHT
Q6
BLU/
WHT
Q7
RED/
YEL
03/07/29 10:21:21 61S0X050_220_0127
02
Door Multiplex Control Unit
Cavity
Wire
Test condition
Test: Desired result
Possible cause if result is not obtained
22-126
Exterior Lights
Auto-off Headlight Control Unit Input Test (cont’d)
BLK/RED
DOOR MULTIPLEX CONTROL UNIT CONNECTOR A
6. Remove the driver’s door panel, and disconnect the 20P connector A from the door multiplex control unit.
7. Inspect the connector and socket terminals to be sure they are all making good contact.
• If the terminals are bent, loose or corroded, repair them as necessary, and recheck the system.
• If the terminals look OK, go to step 8.
8. Reconnect the connector to the unit, and make these input tests.
• If a test indicates a problem, find and correct the cause, then recheck the system.
• If all the input tests prove OK, go to step 9.
•
•
•
•
•
A17
BLK/RED
Driver’s door
lock knob
locked
Check for voltage to ground:
There should be 5 V or more.
Faulty driver’s door lock actuator
Short to ground
Driver’s door
lock knob
unlocked
Check for voltage to ground:
There should be 1 V or less.
Poor ground (G401)
Faulty driver’s door lock actuator
An open in the wire
9. If all the input tests prove OK, one of the control units must be faulty. Substitute a known-good control unit for the
one that is most likely at fault, then recheck the system. If the system works properly, the original control unit is
faulty; replace it. If there is still a malfunction, substitute a known-good control unit for the next most likely unit to
be at fault, and recheck. If the system works properly, the original unit is faulty; replace it.
Wire side of female terminals
03/07/29 10:21:22 61S0X050_220_0128
01
S0X4A04J32133122311FCAT00
Canada
22-127
Daytime Running Lights Control Unit Input Test
BLK
BLU/WHT RED/WHT
GRN/RED
BLU/RED
RED/YEL
YEL/RED
RED/ORN
RED/BLU
ORN/WHT
BLK
ORN/WHT
GRN/WHT
A
B
1. Remove the glove box (see page 20-71).
2. Disconnect the 14P connector (A) from the daytime running lights control unit (B).
3. Inspect the all connector and socket terminals to be sure they are all making good contact.
• If the terminals are bent, loose, or corroded, repair them as necessary, and recheck the system.
• If the terminals look OK, go to step 4.
(cont’d)
Wire side of female terminals
03/07/29 10:21:22 61S0X050_220_0129
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