Honda Odyssey 2004. Manual — part 453
01
S0X4A00J32323341903FCAT00
Driver’s Multiplex Control Unit
22-140
Entry Lights Control System
Control Unit Input Test
DRIVER’S UNDER-DASH FUSE/RELAY BOX SOCKET
(Driver’s multiplex control unit connector A)
DRIVER’S UNDER-DASH FUSE/RELAY BOX CONNECTOR A
DRIVER’S UNDER-DASH FUSE/RELAY BOX CONNECTOR O
BLU/WHT
GRN/YEL
GRN/ORN
DRIVER’S MULTIPLEX CONTROL UNIT CONNECTOR B
RED/GRN
1. Before testing the entry light 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
03/07/29 10:21:31 61S0X050_220_0142
Cavity
Wire
Test condition
Test: Desired result
Cavity
Wire
Test condition
Test: Desired result
Possible cause if result is not obtained
Possible cause if result is not obtained
22-141
4. With the driver’s 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 5.
•
•
•
•
•
•
•
•
•
A1
Fuse/relay
box socket
Under all
conditions
Attach to ground:
The ignition key light should
come on.
Blown No. 47 (20A) fuse in the
under-hood fuse/relay box
Blown LED
An open in the wire
A6
Combination
light switch
ON, jump
battery
voltage to B16
(RED/GRN)
Check for voltage to ground:
There should be battery voltage.
Blown No. 10 (15A) fuse in the
passenger’s under-dash fuse/
relay box
Faulty taillight relay
Faulty combination light switch
An open in the wire
A24
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 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.
• 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.
•
•
•
•
•
•
•
•
•
•
•
•
•
O9
BLU/WHT
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.
Faulty ignition switch
A short in the wire
A3
GRN/ORN
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 in the wire
A10
GRN/YEL
Left sliding
door open
Check for voltage to ground:
There should be 1 V or less.
Faulty left sliding door switch
An open in the wire
Left sliding
door closed
Check for voltage to ground:
There should be 5 V or more.
Faulty left sliding door switch
A short in the wire
(cont’d)
03/07/29 10:21:32 61S0X050_220_0143
*01
Passenger’s Multiplex Control Unit
22-142
Entry Lights Control System
Control Unit Input Test (cont’d)
PASSENGER’S UNDER-DASH FUSE/RELAY BOX SOCKET
(Passenger’s multiplex contorl unit connector A)
GRN/WHT
GRN
PASSENGER’S UNDER-DASH FUSE/RELAY BOX CONNECTOR A
6. Remove the passenger’s multiplex control unit from the passenger’s under-dash fuse/relay box, and disconnect
its connector.
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.
Wire side of female terminals
03/07/29 10:21:32 61S0X050_220_0144
Cavity
Wire
Test condition
Test: Desired result
Cavity
Wire
Test condition
Test: Desired result
Possible cause if result is not obtained
Possible cause if result is not obtained
22-143
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.
•
•
•
•
•
•
•
•
•
A22
Fuse/relay
box socket
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
An open in the wire
A21
Ceiling light
switches in the
middle (Door)
position
Attach to ground:
Ceiling lights should come on.
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
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.
•
•
•
•
•
•
•
•
A16
GRN
Passenger’s
door open
Check for voltage to ground:
There should be 1 V or less.
Faulty front passenger’s door
switch
An open in the wire
Passenger’s
door closed
Check for voltage to ground:
There should be 5 V or more.
Faulty front passenger’s door
switch
A short to ground in the wire
A14
GRN/WHT
Right sliding
door open
Check for voltage to ground:
There should be 1 V or less.
Faulty right rear door switch
An open in the wire
Right sliding
door closed
Check for voltage to ground:
There should be 5 V or more.
Faulty right rear door switch
A short to ground in the wire
(cont’d)
03/07/29 10:21:32 61S0X050_220_0145
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