Mitsubishi Galant 9G. Manual — part 74
SYMPTOM PROCEDURES
TSB Revision
SIMPLIFIED WIRING SYSTEM (SWS)
54B-292
High-beam indicator light
At the same time that the high-beams are illuminated, the
ETACS-ECU sends a signal to illuminate the high beam indica-
tor via the CAN bus line. The combination meter receives the
transmitted signal and turns the high-beam indicator on and off.
Headlight automatic-shutdown function
Even if the lighting switch (taillights switch or headlight switch)
is ON, the headlights (including the taillights) will automatically
go off in the following conditions to prevent the battery from dis-
charging as a result of forgetting to turn off lights.
If the ignition key is turned from "ON" to "LOCK" (OFF) or
"ACC" position with the lighting switch turned ON, and this
state continues for three minutes, the light will automatically be
turned off. If the driver's seat door is opened during these three
minutes, the light will go off one second later.
NOTE: The headlight automatic-shutoff function can be cus-
tomized on vehicles equipped with a multi center display (mid-
dle grade type). Refer to
Dimmer automatic reset function
If the headlight switch is turned off while the high-beam head-
lights are on, the dimmer switch will be reset. Because of this,
the headlights will illuminate at low beam the next time that they
are turned on. The dimmer switch will be also reset if the dim-
mer switch is turned on unintentionally while the passing switch
is operated.
AC101466AB
T1: 3 minutes
T2: 1 second
ON
ON
ON
OFF
OFF
OFF
Ignition switch
(IG1)
Driver's door
switch
Taillight switch or
headlight switch
Illumination
output signal
ON
OFF
T1
T2
AC106399
ON
OFF
ON
OFF
Dimmer
switch
Headlight
switch
HIGH
LOW
OFF
Headlight
AC
SYMPTOM PROCEDURES
TSB Revision
SIMPLIFIED WIRING SYSTEM (SWS)
54B-293
General circuit diagram for the taillights
IGNITION
SWITCH (IG1)
ETACS-
ECU
FRONT-
ECU
RELAY BOX
COLUMN-ECU
LIGHTING
SWITCH
BATTERY
DATA LINK
CONNECTOR
FRONT
COMBINATION
LIGHT
(RH)
REAR
COMBINATION
LIGHT
(RH)
REAR
COMBINATION
LIGHT
(LH)
FRONT
COMBINATION
LIGHT
(LH)
LICENSE
PLATE
LIGHT
FRONT
SIDE
MARKER
LIGHT
(LH)
(RH)
COLUMN SWITCH
JUNCTION BLOCK
RELAY BOX
(FUSE )
22
SYMPTOM PROCEDURES
TSB Revision
SIMPLIFIED WIRING SYSTEM (SWS)
54B-294
General circuit diagram for the headlights
IGNITION
SWITCH (IG1)
RELAY BOX
(FUSE )
22
ETACS-
ECU
FRONT-ECU
RELAY BOX
LIGHTING
SWITCH
DIMMER
·
P
ASSING
SWITCH
BATTERY
C
O
L
U
M
N
-E
C
U
COLUMN SWITCH
HEAD
LIGHT
(LH)
HEAD
LIGHT
(RH)
DOOR
SWITCH (LH)
DATA LINK
CONNECTOR
JUNCTION BLOCK
2-bulb type
SYMPTOM PROCEDURES
TSB Revision
SIMPLIFIED WIRING SYSTEM (SWS)
54B-295
IGNITION
SWITCH (IG1)
RELAY BOX
(FUSE )
22
ETACS-
ECU
C
O
L
U
M
N
-E
C
U
COLUMN SWITCH
FRONT-ECU
RELAY BOX
BATTERY
HEAD
LIGHT
(LOW: LH)
(LOW: RH)
(HIGH: LH)
(HIGH: RH)
DOOR
SWITCH (LH)
DATA LINK
CONNECTOR
LIGHTING
SWITCH
DIMMER
·
P
ASSING
SWITCH
JUNCTION BLOCK
4-bulb type
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