Mitsubishi Lancer. Manual - part 171

SUPPLEMENTAL RESTRAINT SYSTEM (SRS)

CIRCUIT DIAGRAMS

90-330

SUPPLEMENTAL RESTRAINT SYSTEM 
(SRS) <RHD>

M1901009702044

IGNITION 
SWITCH (IG1)

COMBINATION 
METER

·FRONT FOG LAMP 
·HEADLAMP 
·HEADLAMP LEVELLING SYSTEM
·HEADLAMP WASHER 
·REAR FOG LAMP 
·REAR WIPER AND
 WASHER 
·TAIL LAMP,
 POSITION LAMP,
 LICENCE PLATE LAMP
 AND LIGHTING
 MONITOR BUZZER 
·TURN-SIGNAL LAMP AND
 HAZARD WARNING LAMP
·WINDSHIELD WIPER
 AND WASHER

POWER SOURCE

WARNING LAMP 
DRIVE CIRCUIT

D.C.-D.C. CONVERTER

BACK-UP CAPACITOR

MICRO COMPUTER

FRONT 
AIR BAG 
ANALOGUE 
G-SENSOR

EEP ROM

FRONT AIR 
BAG SAFING 
G-SENSOR

SIDE AIR BAG, 
CARTAIN AIR BAG 
SAFING G-SENSOR

SRS-ECU

SUPPLEMENTAL RESTRAINT SYSTEM (SRS)

CIRCUIT DIAGRAMS

90-331

NOTE

:  CONNECTOR COUPLED: ON

CONNECTOR UNCOUPLED: OFF

: SEDAN
: WAGON

SEAT BELT 
PRE-TENSIONER 
DRIVE CIRCUIT

SEAT BELT 
PRE-TENSIONER 
DRIVE CIRCUIT

MICRO COMPUTER

CONNECTOR 
LOCK SWITCH

CONNECTOR 
LOCK SWITCH

SEAT BELT 
PRE-TENSIONER (LH)

CONNECTOR 
LOCK SWITCH

CONNECTOR 
LOCK SWITCH

SEAT BELT 
PRE-TENSIONER (RH)

CONNECTOR 
LOCK SWITCH

SRS-ECU

Wire colour code
B : Black     LG : Light green     G : Green     L : Blue    W : White    
Y : Yellow     SB : Sky blue     BR : Brown    O : Orange     
GR : Grey     R : Red     P : Pink     V : Violet    PU : Purple

SUPPLEMENTAL RESTRAINT SYSTEM (SRS)

CIRCUIT DIAGRAMS

90-332

SUPPLEMENTAL RESTRAINT SYSTEM (SRS) <RHD> (CONTINUED)

<VEHICLES WITH SIDE-AIRBAG AND CURTAIN AIR BAG>

SIDE-AIRBAG 
MODULE (RH)
(SQUIB)

CONNECTOR 
LOCK 
SWITCH

CONNECTOR 
LOCK 
SWITCH

SIDE-AIRBAG 
MODULE (LH)
(SQUIB)

CONNECTOR 
LOCK 
SWITCH

AIR BAG 
DRIVE CIRCUIT

AIR BAG 
DRIVE CIRCUIT

AIR BAG 
DRIVE CIRCUIT

AIR BAG 
DRIVE CIRCUIT

CONNECTOR 
LOCK 
SWITCH

CONNECTOR 
LOCK 
SWITCH

CONNECTOR 
LOCK 
SWITCH

CONNECTOR 
LOCK 
SWITCH

CLOCK 
SPRING

AIR BAG MODULE (SQUIB)
(DRIVER'S SIDE)

AIR BAG MODULE (SQUIB)
(PASSENGER'S SIDE)

CONNECTOR 
LOCK 
SWITCH

CONNECTOR 
LOCK 
SWITCH

NOTE

CONNECTOR 
COUPLED: ON 
CONNECTOR 
UNCOUPLED: OFF

: 

SUPPLEMENTAL RESTRAINT SYSTEM (SRS)

CIRCUIT DIAGRAMS

90-333

ANALOGUE 
G-SENSOR

ANALOGUE 
G-SENSOR

CONSTANT 
VOLTAGE 
CIRCUIT

CONSTANT 
VOLTAGE 
CIRCUIT

SIDE IMPACT 
SENSOR 
(REAR: LH)

SIDE IMPACT 
SENSOR 
(REAR: RH)

SIDE IMPACT SENSOR INTERFACE CIRCUIT

MICRO 
COMPUTER

SIDE IMPACT 
SENSOR 
(FRONT: LH)

SIDE IMPACT 
SENSOR 
(FRONT: RH)

SIDE IMPACT SENSOR INTERFACE CIRCUIT

SRS-ECU

CONSTANT 
VOLTAGE 
CIRCUIT

CONSTANT 
VOLTAGE 
CIRCUIT

ANALOGUE 
G-SENSOR

ANALOGUE 
G-SENSOR

Wire colour code
B : Black     LG : Light green     G : Green     L : Blue     W : White     Y : Yellow     SB : Sky blue
BR : Brown     O : Orange     GR : Grey     R : Red     P : Pink     V : Violet     PU : Purple