Mitsubishi Galant 9G. Manual - part 74

 

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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 

P.54B-555

.

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

 

 

 

 

 

 

 

Content   ..  72  73  74  75   ..