Mitsubishi MOTORS 3000GT Bedienungsanleitung Seite 239

CIRCUIT DIAGRAMS - Central
OPERATION
<Vehicles without keyless entry system>
When the door lock switch is set to the LOCK
l
side (or UNLOCK side), the LOCK side (or
UNLOCK side) of the door lock relay is turned
ON and the door actuators of all doors operate.
If the driver seat side door (or assistant seat
l
side door) is opened and the driver seat side
inside lock knob (or assistant seat side inside
With the driver's and front passenger's doors
unlocked, press the LOCK switch of the
transmitter, and the door lock signal output (0
V) will be sent from the keyless entry control
unit terminal No. 12 closing the door lock power
relays 1 and 2 to lock the driver's and front
passenger's doors.
While the R.H. and L.H. doors are in the locked
state, press the UNLOCK switch of the
transmitter once, and the DOOR UNLOCK
switch signal (0 V) will be sent from the keyless
entry control unit terminal No. 14 closing the
door lock power relay 2 to unlock the driver's
door.
Under the above-mentioned conditions, further
press the UNLOCK switch of the transmitter,
and the DOOR UNLOCK signal output (0 V)
will be sent from the keyless entry control unit
terminal No. 13 closing the door lock power
relay 1 to lock the front passenger's door.
When the keyless entry system is operated to
turn the driver's door lock switch from the
UNLOCK position to the LOCK position, the
TROUBLESHOOTING HINTS
<Vehicles without keyless entry system>
Phenomenon
One of the door lock actuators fails to operate.
be
No unlock operation can
knob after fulfilment of following conditions.
Insertion of key in ignition switch (key reminder switch
OFF)
Opening of door (door switch ON)
made by pressing door lock
TSB Revision
Door Locking Circuit
lock knob) is locked with the key inserted in
the ignition switch, the ETACS unit grounds the
unlock side circuit of the door lock relay to unlock
all doors. This way, failure to remove the key
is prevented.
dome light/foot light blinking signal output
(system voltage) will be sent twice from the
the door lock switch is turned from the LOCK
position to the UNLOCK position, the lighting
signal output (0 V) will be provided for approx.
seconds.
3
NOTE
The dome light winks or comes on when the dome
light switch is in the DOOR interlock position.
However, the dome light does not wink while it .is
ON for 6 seconds after closing the door by ETACS
function.
Besides the above-mentioned operations, the
If any door is not opened or closed within 30
l
seconds from unlocking the door by means of
the keyless entry system, the door is
automatically locked.
cryptographic code other than the code stored
in the receiver memory is received 30 times
in one minute continuously, operation of the
unit is suspended for 10 minutes.
Operation is also suspended if the ignition key
l
remains inserted (key reminder switch: OFF)
and either door is left open (door switch: ON).
Inspection method
Check the door actuator which fails to operate.
Check the key reminder switch input signal.
Check the key reminder switch. (Refer to GROUP
Check the front door switch input signal.
237
In addition, if the