Mitsubishi Evolution X. Manual - part 1250

SEAT BELT WARNING TONE ALARM

TSB Revision

CIRCUIT DIAGRAMS

90-337

CAN DRIVE
CIRCUIT

CAN DRIVE
CIRCUIT

INTERFACE
CIRCUIT

ANALOG
INTERFACE
CIRCUIT

INTERFACE
CIRCUIT

JOINT
CONNECTOR
(CAN3)

JOINT
CONNECTOR
(CAN2)

DATA LINK 
CONNECTOR

NOTE

:

ANALOG
INTERFACE
CIRCUIT

WIRE COLOR CODE 
B : BLACK     LG : LIGHT GREEN     G : GREEN     L : BLUE     W : WHITE     Y : YELLOW     SB : SKY BLUE 
BR : BROWN     O : ORANGE     GR : GRAY     R : RED     P : PINK     V : VIOLET     PU : PURPLE     SI : SILVER

INPUT SIGNAL

·FRONT WHEEL
 SPEED SENSOR
·REAR WHEEL
 SPEED SENSOR

ASC-ECU

·ABS, ASC, ACD, AYC AND S-AWC
·AIR CONDITIONING SYSTEM
·CENTRAL DOOR LOCKING SYSTEM
·DAYTIME RUNNING LIGHT (DRL)
·DOME LIGHT, LUGGAGE
 COMPARTMENT LIGHT
 AND IGNITION KEY HOLE
 ILLUMINATION LIGHT
·FOG LIGHT
·HEADLIGHT
·HEATED SEAT
·IGNITION KEY REMINDER TONE
 ALARM
·IMMOBILIZER SYSTEM
·KEYLESS OPERATING SYSTEM
 (KOS)

·REAR WINDOW DEFOGGER
·SHIFT LOCK MECHANISM
·SUNROOF
·SUPPLEMENTAL RESTRAINT
 SYSTEM (SRS)
·TAILLIGHT, POSITION LIGHT,
 LICENSE PLATE LIGHT AND
 LIGHTING MONITOR TONE ALARM
·TC-SST
·THEFT-ALARM SYSTEM
·TIRE PRESSURE MONITORING
 SYSTEM (TPMS)
·TRUNK LID OPENER
·TURN-SIGNAL LIGHT AND
 HAZARD WARNING LIGHT
·WINDSHIELD WIPER AND WASHER

SEAT BELT WARNING TONE ALARM

TSB Revision

CIRCUIT DIAGRAMS

90-338

SEAT BELT WARNING TONE ALARM (CONTINUED)

DRIVER'S 
SIDE

PASSENGER'S 
SIDE

COMBINATION 
METER

JOINT
CONNECTOR
(CAN1)

SRS-
ECU

ETACS-ECU

CAN 
DRIVE CIRCUIT

HALL IC

SEAT BELT 
SWITCH

SEAT BELT 
SWITCH

<NO 
CONNECTION>

<NO 
CONNECTION>

SEAT BELT WARNING TONE ALARM

TSB Revision

CIRCUIT DIAGRAMS

90-339

CENTER PANEL 
UNIT

INTERFACE
CIRCUIT

PASSENGER'S 
SEAT 
BELT

DRIVER'S 
SEAT 
BELT

INTERFACE 
CIRCUIT

INTERFACE CIRCUIT

COMBINATION METER

(FUSE    )

12

(FUSE    )

12

CPU

CAN TRANSCEIVER 
CIRCUIT

(FUSE    )

9

ETACS-ECU

JOINT
CONNECTOR (3)

(FUSE    )

8

LED DRIVE 
CIRCUIT

TONE ALARM

WIRE COLOR CODE 
B : BLACK     LG : LIGHT GREEN     G : GREEN     L : BLUE     W : WHITE     Y : YELLOW     SB : SKY BLUE 
BR : BROWN     O : ORANGE     GR : GRAY     R : RED     P : PINK     V : VIOLET     PU : PURPLE     SI : SILVER

DOOR AJAR WARNING TONE ALARM

TSB Revision

CIRCUIT DIAGRAMS

90-340

DOOR AJAR WARNING TONE ALARM 

M1901016601701

·ABS, ASC, ACD,
 AYC AND S-AWC
·AIR CONDITIONING SYSTEM
·CENTRAL DOOR
 LOCKING SYSTEM
·DAYTIME RUNNING
 LIGHT (DRL)
·DOME LIGHT, LUGGAGE
 COMPARTMENT LIGHT
 AND IGNITION KEY HOLE
 ILLUMINATION LIGHT
·FOG LIGHT
·HEADLIGHT
·HEATED SEAT
·IGNITION KEY REMINDER
 TONE ALARM
·IMMOBILIZER SYSTEM
·KEYLESS OPERATING
 SYSTEM (KOS)
·REAR WINDOW DEFOGGER
·SEAT BELT WARNING
 TONE ALARM
·SHIFT LOCK MECHANISM
·SUNROOF
·SUPPLEMENTAL RESTRAINT
 SYSTEM (SRS)
·TAILLIGHT, POSITION LIGHT,
 LICENSE PLATE LIGHT AND
 LIGHTING MONITOR
 TONE ALARM
·TC-SST
·THEFT-ALARM SYSTEM
·TIRE PRESSURE
 MONITORING
 SYSTEM (TPMS)
·TRUNK LID OPENER
·TURN-SIGNAL LIGHT AND
 HAZARD WARNING LIGHT
·WINDSHIELD
 WIPER AND WASHER

HEATED 
SEAT

ETACS-
ECU

FUSIBLE
LINK

34

IGNITION
SWITCH (IG1)

IG1
RELAY

INTERFACE
CIRCUIT

CAN 
TRANSCEIVER
CIRCUIT

LCD

(EACH DOOR)

CPU

COMBINATION
METER

CAN DRIVE
CIRCUIT

INTERFACE
CIRCUIT

JOINT
CONNECTOR
(CAN1)

TONE ALARM