DOOR
BODY
42-12
KEYLESS ENTRY SYSTEM
M2420010000095
CONSTRUCTION DIAGRAM
A keyless entry system allows the doors to be locked
or unlocked remotely from any point within approxi-
mately 12 meters (39.4 feet) of the center of vehicle.
The remote-controlled keyless entry system is fea-
tures of as follows:
• The antenna and receiver are incorporated in the
ETACS-ECU.
• The ID code can be registered by using the scan
tool MB991502.
TRANSMITTER
The transmitter is a key ring type.
There are two buttons on the transmitter; the lock button and
the unlock button. When either is pressed, the transmitter emits
a radio signal representing a specific ID code.
Y0232AU
X1683CA
AC101142
AB
ETACS-ECU
(RECEIVER AND ANTENNA
INCORPORATED)
ELECTRIC SIGNAL
RADIO SIGNAL
LOCK BUTTON
UNLOCK BUTTON
TRANSMITTER
• The signal causes the dome light to flash twice when the door is
locked, or come on for 15 seconds when the door is unlocked.
• The signal causes the turn signal lights to flash twice when the
door is locked, or flash once when the door is unlocked.
• The signal causes the horn to sound once when the door is locked.
AC101143
AD
LOCK BUTTON
UNLOCK BUTTON
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