SYSTEM OPERATION
KEYLESS OPERATION SYSTEM (KOS)
42B-28
Door lock
does not
operate
(keyless
operation
key is
located
inside the
vehicle).
KEY STILL
IN VEHICLE
The lock/unlock
switch of the front
door outside
handle is pressed
when the keyless
operation key is
still located inside
the car.
• Warning
indicator
display for 5
seconds.
• Outer buzzer
sounds for
2.96 seconds
in pattern 1.
• Lock/unlock switch
of the front door
outside handle is
pressed again.
• 5 seconds have
passed after the
warning output
started.
Door lock
does not
operate
(door open).
CHECK
DOORS
The lock/unlock
switch on the front
door outside
handle is pressed
when the door is
ajar.
• Warning
indicator
display for 5
seconds.
• Outer buzzer
sounds for
2.96 seconds
in pattern 1.
• All doors are
closed.
• 5 seconds have
passed after the
warning output
started.
System
error
KEYLESS
OPERATIO
N SYSTEM
SERVICE
REQUIRED
Engine switch is
pressed when an
error has been
detected in
EEPROM of
KOS-ECU.
The warning
indicator display
for 5 minutes.
5 minutes have
passed after the
engine switch is
pressed, also the
power supply mode is
OFF.
Engine switch is
pressed when a
transmission
antenna has an
open circuit or
short to power
supply.
Open circuit or
short to earth is
detected in the key
slot.
An error is
detected, and the
power supply
mode is other than
OFF.
No keyless
operation
key detected
inside the
car
KEY NOT
DETECTED
INSERT
KEY INTO
KEY SLOT
No keyless
operation key is
detected inside the
car when the
engine switch is
pressed.
The warning
indicator display
for 5 seconds.
• Power supply mode
OFF is detected.
• 5 seconds have
passed after the
warning output
started.
Item
Display content
State
Warning
operation
Warning cancellation
condition (when any
of the condition met)
AC809615
AC809615
AC809615
AC904250
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