Honda 2004 Odyssey, Service Manual

Page: 1888 / 2459

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
22-209
12. With the door multiplex control unit still disconnected, make these input tests at the connectors.
• 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 13.
•
•
•
•
•
•
•
•
A1 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
A2 Ignition switch ON (II) Check for voltage to
ground: There should be
battery voltage. Blown No. 15 (20A) fuse in the
passenger’s under-dash fuse/
relay box
An open in the wire
A12 BLK Under all conditions Check for continuity to
ground:
There should be continuity. Poor ground (G401, G551)
An open in the wire
A19
B1
A11 Connect the A10
terminal to the A12
terminal, and the A11
terminal to the A1
terminal Check the driver’s window
motor operation:
The window should go up
(reverse the wires for
down). Faulty driver’s window motor
An open in the wire
A10
13. Reconnect the door multiplex control unit, and perform the following input test.
• 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 14.
•
•
•
•
•
•
A4 RED While operating the
driver’s window switch Check for voltage between
the A4 and A12 terminals:
Approx. 6 V should be
indicated as the driver’s
window motor runs. Faulty pulser
Faulty driver’s window motor
An open in the wire
Short to ground
B2 Operate the passenger’s
switch with master
main switch OFF Check for voltage to
ground:
There should be battery
voltage. Faulty passenger’s switch
An open in the wire
14. 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.
(cont’d)
WHT/YEL
RED/BLU
RED/YEL
GRN/WHT
WHT/RED
03/07/29 10:24:10 61S0X050_220_0211