Honda 2004 Odyssey Service Manual page 1926

Mode 2
Descripition
Mode 2 is an easy way to identify a problem circuit
without having to test circuit with a DVOM. Mode 2 will
confirm a switch/circuit is working by flashing the
ignition key light and sounding the beeper as the circuit
is used. The multiplex control system will confirm
inputs as they are grounded except for the following
circuits:
• Turning the intermittent wiper ring (several
confirmations as ring is turned)
• Turning the dash light illumination dimmer (several
confirmations as the knob is turned)
• The Audio unit, Navigation display, RES display ,
DVD player (confirmation as any one component is
disconnected)
To Enter Mode 2
1. From mode 1, disconnect the special tool from the
multiplex control system (MPCS) inspection
connector for between 5 and 10 seconds, then
reconnect it. The ignition key light should come on
and the beeper should beep for 2 seconds, then
blink/beep twice more at 0.2 second intervals. This
indicates the system has entered mode 2.
Mode 2: Ignition key Light
2 sec.
ON
OFF
2. Operate the switch as described in the charts below.
NOTE: Key cylinder switch tests require a second
key be used to perform.
0.2 sec.
0.2 sec.
Inputs monitored by Door Multiplex Control Unit
Switch/Circuit
Driver's door lock knob
switch (LOCK/UNLOCK)
Driver's key cylinder
1
switch
(UNLOCK LX models)
(LOCK/UNLOCK EX
models)
Driver's door lock switch
(LOCK/UNLOCK)
Power window master
switch
(Passenger's switches)
(UP/DOWN)
Inputs monitored by Driver's Multiplex Control Unit
Switch/Circuit
Dash lights brightness
controller (ROTATE)
DriverDriver's door
switch (OPEN)
Left rear sliding door
switch (OPEN)
Tailgate latch switch
(OPEN)
Driver's seatbelt buckle
switch (UNBUCKLED)
Windshield wiper/washer
switch (INT, DWELL,
WIPER, PARK POSITION,
WASHER)
Brake pedal position
switch (BRAKE PEDAL
PRESSED)
Parking brake switch
(ON)
Hood switch (OPEN EX
models)
Headlight switch (ON)
Ignition key switch (KEY
INSTERTED)
Note:
Turn the key two
times consecutively
to each position
(LOCK/UNLOCK) to
prevent inputs from
lock knob switches
causing false input
confirmations.
Driver's window
switch will not be
confirmed in either
direction.
Note:
This input cannot be
confirmed in Mode 2
since key must be
installed to perform
test.
(cont'd)
22-247