Honda 2004 Odyssey, Service Manual

Page: 1929 / 2459

０１
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Door Unit
Cavity Wire Test condition Test: Desired result Possible cause if result is not obtained
22-250
Multiplex Control System
Multiplex Control Unit Input Test
1. Remove the driver’s door panel (see page 20-7), and disconnect the connectors from the door multiplex control
unit.
2. 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 3.
NOTE: The illustration shows ’99 models.
3. Make the following input tests at connector A (20P).
• 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 8.
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A1 WHT/RED 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
Blown No. 54 (40A) fuse in the
under-hood fuse/relay box
An open in the wire
A2 WHT/YEL Ignition switch
ON (II) and
passenger’s
multiplex
terminal A12
connected to
battery
voltage Check for voltage to ground on A2:
There should be battery voltage. Blown No. 51 (40A) fuse in the
under-hood fuse/relay box.
Blown No. 15 (20A) fuse in the
passenger’s under-dash fuse/
relay box
Faulty power window relay
An open in the wire
A12 Fuse/relay
box socket
A12 BLK Under all
conditions Check for continuity to ground:
There should be continuity. Poor ground (G401)
An open in the wire
A13
A19 BLK Under all
conditions Check for continuity to ground:
There should be continuity. Poor ground (G551)
An open in the wire
1: Passenger’s multiplex control unit connector A
2: ’03-04 (LX) models
3: ’99-02 and ’03-04 (EL, EXL) models
1
2
3
Wire side of female terminals
03/07/29 10:25:36 61S0X050_220_0252