Mitsubishi Galant 9G. Manual — part 54
SYMPTOM PROCEDURES
TSB Revision
SIMPLIFIED WIRING SYSTEM (SWS)
54B-212
.
CIRCUIT OPERATION
When you operate each power window switch for
front or rear passengers (incorporated in the power
window main switch), the corresponding power win-
dow motor operates, opening or closing each power
window.
.
TECHNICAL DESCRIPTION (COMMENT)
If the corresponding power window opens and closes
normally when each power window sub-switch is
operated, the power window main switch may be
defective.
.
TROUBLESHOOTING HINT
The power window main switch may be defective
POWER
WINDOW
MAIN
SWITCH
REAR DOOR WINDOW
REGULATOR MOTOR
(RH)
REAR
POWER WINDOW
SUB SWITCH
(RH)
REAR
POWER WINDOW
SUB SWITCH
(LH)
REAR DOOR WINDOW
REGULATOR MOTOR
(LH)
POWER WINDOW
RELAY
<REAR SIDE>
LOCK
SWITCH
(REAR: LH)
(REAR: RH)
Power Window (rear) Circuit
SYMPTOM PROCEDURES
TSB Revision
SIMPLIFIED WIRING SYSTEM (SWS)
54B-213
DIAGNOSIS
Check that power window sub switches operate normally.
Q: A power window cannot work by using the power
window main switch. Can you operate the power
window by using the corresponding power window sub
switch?
YES : Replace the power window main switch. Check that
the front or rear passenger's power window can work
normally by means of power window main switch.
NO : Refer to Symptom Chart
before resolving
this trouble.
KEYLESS ENTRY SYSTEM
GENERAL DESCRIPTION CONCERNING THE KEYLESS ENTRY SYSTEM
M1549022000255
The following ECUs affect the functions and control
of the keyless entry system.
ALL DOOR LOCK FUNCTION
.
PRESSING THE TRANSMITTER LOCK BUTTON
When the transmitter lock button is pressed, the ETACS-ECU
energizes its door lock relay to operate all the door lock actua-
tors for 0.25 second, locking all doors.
FUNCTION
CONTROL
ECU
All door lock function
Pressing the transmitter lock button
ETACS-ECU
Driver’s door unlock function
Pressing the transmitter unlock button once
ETACS-ECU
All door unlock function
Pressing the transmitter unlock button twice
ETACS-ECU
Trunk unlock function
Pressing the transmitter trunk button
ETACS-ECU
Keyless entry hazard answerback and horn answerback function
ETACS-ECU
Timed locking mechanism
ETACS-ECU
AC202609 AE
ON
(LOCK)
OFF
Transmitter
lock button
t: 0.25 seconds
OFF
ON
Door lock relay
output
All door and
liftgate
lock actuator UNLOCK
LOCK
t
SYMPTOM PROCEDURES
TSB Revision
SIMPLIFIED WIRING SYSTEM (SWS)
54B-214
DRIVER’S DOOR UNLOCK FUNCTION
.
PRESSING THE TRANSMITTER UNLOCK
BUTTON ONCE
When the transmitter unlock button is pressed once, the
ETACS-ECU energizes its door unlock relay to operate the
door lock actuator of the driver’s door for 0.25 seconds, thus
unlocking only the driver’s door.
ALL DOOR UNLOCK FUNCTION
.
PRESSING THE TRANSMITTER UNLOCK
BUTTON TWICE
When the transmitter unlock button is pressed twice, the
ETACS-ECU energizes its door unlock relay to operate the
driver’s door lock actuator and the other door lock actuators for
0.25 seconds each in succession. All the doors will be
unlocked.
NOTE: If the timed locking function is available, the doors will
be locked in 30 seconds after the initial unlocking. Therefore,
the second door unlocking should be done within 30 seconds
after that initial unlocking.
TRUNK UNLOCK FUNCTION
.
PRESSING THE TRANSMITTER TRUNK BUTTON
Press the "TRUNK" button twice within 5 seconds and the trunk
lid will be unlocked.
AC200819AD
ON
(UNLOCK)
OFF
Transmitter
unlock
button
t: 0.25 second
OFF
ON
Door unlock relay
output
Driver's door
lock actuator
UNLOCK
LOCK
t
AC202610 AF
ON
(UNLOCK)
OFF
Transmitter
unlock button
t: 0.25 seconds
OFF
ON
Door unlock relay
output
LOCK
UNLOCK
LOCK
UNLOCK
Driver's door
lock actuator
t
t
All door
lock actuator
SYMPTOM PROCEDURES
TSB Revision
SIMPLIFIED WIRING SYSTEM (SWS)
54B-215
KEYLESS ENTRY HAZARD ANSWERBACK AND
HORN ANSWERBACK FUNCTION
.
KEYLESS ENTRY HAZARD ANSWERBACK
FUNCTION*
1
If the keyless entry transmitter is used to send a lock signal to
the ETACS-ECU, all doors are locked and the hazard warning
lights flash once. If an unlock signal is sent, the driver's door is
unlocked first,*
2
and if a second signal is sent, all doors are
unlocked. Each time the unlock signal is sent, the hazard warn-
ing lights flash twice.
NOTE: *
1
: The hazard answerback function can be customized
using the keyless entry transmitter (Refer to Group 42
,
Keyless Entry System) or by using the multi center display
(middle grade type). Refer to
.
NOTE: *
2
: Vehicles with a multi center display (middle grade
type) can be customized so that a single unlock operation will
unlock all doors. Refer to
.
.
KEYLESS ENTRY HORN ANSWERBACK
FUNCTION
If the keyless entry transmitter is used to send a lock signal to
the ETACS-ECU, the first signal locks all doors while the sec-
ond signal sounds the horn once.
NOTE: : The horn answerback function can be customized by
using the keyless entry transmitter (Refer to Group 42
,
Keyless Entry System) or by using the multi center display
(middle grade type). Refer to
.
TIMED LOCKING MECHANISM
.
After unlocking the doors with the keyless entry transmitter, if
no doors are opened, if the ignition key is not inserted or if the
locking function is not operated, the ETACS-ECU automatically
locks the doors in 30 seconds.
NOTE: The timed locking function can be customized on vehi-
cles equipped with a multi center display (middle grade type).
Refer to
.
AC209072AC
ON
OFF
OFF
ON
OFF
LOCK
UNLOCK
Illuminated
Not
illuminated
Keyless entry
transmitter switch
Lock relay output
Unlock relay output
Hazard
warning light
flashing state
AC209073AC
LOCK
OFF
LOCK
UNLOCK
ON
OFF
Keyless entry
transmitter switch
All door
lock actuator
Lock relay output
Horn relay output
ON
OFF
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