Mitsubishi Montero (2004+). Manual — part 778

SYMPTOM PROCEDURES

TSB Revision

SIMPLIFIED WIRING SYSTEM (SWS)

54B-369

FLASHER TIMER

GENERAL DESCRIPTION CONCERNING FLASHER TIMER

M1549023600067

The ECU related to the alarm function types and var-
ious control functions are as follows.

Flasher timer function

.

Turn signal light
The turn signal light output (flashing signal) is turned ON when
the turn signal light ignition switch is ON and the turn signal
light switch is ON (LH or RH.) If the front turn signal light or rear
turn signal light bulb has burned out, the flashing speed
increases to indicate that the bulb has burned out.

.

Hazard warning light
The hazard warning lights output (flashing) is turned ON when
the hazard warning light switch is turned OFF to ON. When the
switch is turned ON again, the output is turned OFF.
NOTE: The hazard warming light switch is a push-return type
toggle switch.

FUNCTION

CONTROL ECU

Turn signal light

ETACS-ECU, column switch

Hazard warning light

ETACS-ECU

AC005444AB

Ignition switch

Turn signal

light switch LH

Turn signal

light switch RH

Turn signal

light output LH

Turn signal

light output RH

ON

OFF

ON

OFF

ON

OFF

ON

OFF

ON

OFF

AC005445AB

Hazard light

switch

Turn signal

light output LH

Turn signal

light output RH

ON

OFF

ON

OFF

ON

OFF

SYMPTOM PROCEDURES

TSB Revision

SIMPLIFIED WIRING SYSTEM (SWS)

54B-370

General circuit for turn signal light and hazard light

SYMPTOM PROCEDURES

TSB Revision

SIMPLIFIED WIRING SYSTEM (SWS)

54B-371

SYMPTOM PROCEDURES

TSB Revision

SIMPLIFIED WIRING SYSTEM (SWS)

54B-372

INSPECTION PROCEDURE K-1: Flasher Timer: Turn-signal lights do not flash when the turn-signal
light switch is operated.

NOTE: This troubleshooting procedure requires the
use of scan tool MB991958 and SWS monitor kit
MB991862. For details on how to use the SWS mon-
itor, refer to "How to use SWS monitor

P.54B-10

."

BATTERY

RELAY
BOX

ETACS-
ECU

JUNCTION
BLOCK

TURN-SIGNAL
LIGHT RELAY
: LH

TURN-SIGNAL
LIGHT RELAY
: RH

TO FRONT
TURN-SIGNAL LIGHTS

TO REAR
COMBINATION LIGHTS

TO COMBINATION
METER

Turn-signal Light Power Supply Circuit