MITSUBISHI LANCER 2005 Workshop Manual
Page 651 of 788
CENTRALIZED JUNCTION
CIRCUIT DIAGRAMS90-13
15 Fusible link No.1 Fuse 15 Blue Diagnosis connector
16 10 Red Rear fog lamp, rear fog lamp indicator 
lamp and rear fog lamp relay
17
−−−
18
−−−
19 30 Green A/C-ECU, blower motor, heater control 
unit and resistor
20 30 Green Rear window defogger No. Power supply circuit Name Rated 
capacity (A)Housing 
colourLoad circuit
AC209082
(in junction block)
1234
56
7
89
20 19
10 11
12
131415
16
1718
AE 
Page 652 of 788
CENTRALIZED JUNCTION
CIRCUIT DIAGRAMS90-14
CENTRALIZED RELAY
NOTE: .
•The triangle mark on the relay housing should face that on the J/B and the relay box. Connector No. Name Connector No. Name
A-04X Front fog lamp relay B-10X Engine speed detection 
connector
A-05X Horn relay B-11X
−
A-06X
−B-12X
−
A-07X
−B-13X
−
A-08X
−B-14X Ignition coil relay
A-09X Fan control relay B-15X A/T control relay
A-10X Front-ECU B-16X Engine control relay
A-11X Front-ECU B-17X A/C compressor relay
AC208462
Front of vehicle
A-09XA-04X
A-05XA-06X
A-07XA-08X
11 2
2
33
4
4
(Relay box in engine compartment)
A-11X
A-10X
AP
AC208464AJ
Front of vehicle
B-11X
1 2
3
4
B-12X B-13X B-14X B-15X B-16X B-17X
B-10X
1
2
3
4 1 2
3
4 1 2
3
4 
Page 653 of 788
POWER DISTRIBUTION SYSTEM <LHD>
CIRCUIT DIAGRAMS90-15
POWER DISTRIBUTION SYSTEM <LHD>
M1901000401106
·CENTRAL DOOR
 LOCKING SYSTEM 
·CLOCK
·FRONT FOG LAMP 
·FUEL WARNING
 LAMP
·HEADLAMP 
·HEADLAMP
 LEVELLING SYSTEM
·INVECS-II 4A/T
·KEY REMINDER
 BUZZER
·METER AND GAUGE
·POWER WINDOWS 
·REAR FOG LAMP 
·REAR WIPER AND
 WASHER
·ROOM LAMP AND
 LUGGAGE COM-
 PARTMENT  LAMP 
   ·ROOM LAMP,
 PERSONAL LAMP
 AND LUGGAGE
 ROOM LAMP 
·SPARE CONNECTOR
 (FOR AUDIO)
·TAIL LAMP, POSITION 
 LAMP, LICENCE PLATE
 LAMP AND LIGHTING
 MONITOR BUZZER
·TURN-SIGNAL LAMP
 AND HAZARD
 WARNING LAMP
·WINDSHIELD WIPER
 AND WASHERENGINE 
CONTROL 
SYSTEM
INVECS-II 
4A/TTURN-SIGNAL 
LAMP AND 
HAZARD 
WARNING LAMP
CHARGING 
SYSTEMACCESSORY 
SOCKET
·ABS 
·INVECS-II
 4A/T
·STOP LAMP·HEATER
·MANUAL AIR
 CONDITIONER
·COOLING
 SYSTEM
·ENGINE
 CONTROL
 SYSTEM
·IGNITION SYSTEM
·IMMOBILIZER 
 SYSTEM
·INVECS-II 4A/THORN ·COOLING
 SYSTEM
·MANUAL  AIR
 CONDITIONERABS
POWER 
WINDOWS CHARGING 
SYSTEMSTARTING 
SYSTEM
BATTERY
RELAY 
BOX FUSIBLE 
LINK
·REAR WINDOW
 DEFOGGER AND DOOR
 MIRROR HEATER 
·RHEOSTAT
·SPARE CONNECTOR
 (FOR AUDIO)
·TAIL LAMP, POSITION
 LAMP, LICENCE PLATE
 LAMP AND LIGHTING
 MONITOR BUZZER
·TURN-SIGNAL LAMP AND
 HAZARD WARNING LAMP ·CIGARETTE LIGHTER 
 AND ASHTRAY
 ILLUMINATION LAMP
·FRONT FOG LAMP 
·HEATER
·HEADLAMP
 LEVELLING SYSTEM
·INVECS-II 4A/T
·MANUAL AIR
 CONDITIONER
·METER AND GAUGE
·REAR FOG LAMP HEADLAMP 
LEVELLING 
SYSTEMHEADLAMP
HEADLAMP ·FRONT FOG
 LAMP
·SPARE
 CONNECTOR
 (FOR FRONT
 FOG LAMP)
FRONT-ECU
HEADLAMP
RELAY: LOHEADLAMP
RELAY: HITAIL LAMP 
RELAY
·HEADLAMP
·HEADLAMP
 LEVELLING
 SYSTEMTAIL LAMP, POSITION 
LAMP, LICENCE PLATE 
LAMP AND LIGHTING 
MONITOR BUZZER
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   
: 4G1
: 4G6 NOTE
HEATED 
SEAT 
Page 654 of 788
POWER DISTRIBUTION SYSTEM <LHD>
CIRCUIT DIAGRAMS90-16
POWER DISTRIBUTION SYSTEM <LHD> (CONTINUED)
POWER DISTRIBUTION SYSTEM <LHD> (CONTINUED)
RELAY BOX
IGNITION 
SWITCHRELAY 
BOX
·CLOCK
·ROOM LAMP AND LUGGAGE 
 COMPARTMENT LAMP
·ROOM LAMP
 AND LUGGAGE 
 COMPARTMENT
 LAMP·ROOM LAMP, PERSONAL LAMP
 AND LUGGAGE ROOM LAMP
·ROOM LAMP,
 PERSONAL LAMP
 AND LUGGAGE
 ROOM LAMP·SPARE CONNECTOR
 (FOR AUDIO)
STARTING 
SYSTEM
IGNITION 
SYSTEM·ENGINE
 CONTROL
 SYSTEM ·ENGINE CONTROL
 SYSTEM
·INVECS-II
 4A/T ·INVECS-II 4A/T
·INVECS-II 4A/T·BACK-UP LAMP
·METER AND
 GAUGE
·REAR WIPER AND
 WASHER
·SUPPLEMENTAL
 RESTRAINT SYSTEM
 (SRS)
·SUPPLEMENTAL
 RESTRAINT
 SYSTEM (SRS)·WINDSHIELD
 WIPER AND WASHER ·ABS
·BRAKE WARNING
 LAMP
·CENTRAL DOOR
 LOCKING SYSTEM
·CHARGING
 SYSTEM
·ENGINE CONTROL
 SYSTEM
·FRONT
 FOG LAMP
·FUEL WARNING
 LAMP
·HEADLAMP
·HEADLAMP
 WASHER
·KEY REMINDER
 BUZZER
·METER AND
 GAUGE
·OIL PRESSURE
 WARNING LAMP
·POWER WINDOWS·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
4FUSIBLE 
LINK
REAR WIPER 
AND WASHER ·ACCESSORY
 SOCKET
·REMOTE
 CONTROLLED
 MIRROR CIGARETTE 
LIGHTER AND 
ASHTRAY 
ILLUMINATION 
LAMP ABS WINDSHIELD 
WIPER AND 
WASHER
·FRONT
 FOG LAMP
·HEADLAMP
·REAR
 FOG LAMP
·TAIL LAMP,
 POSITION LAMP,
 LICENCE PLATE
 LAMP AND LIGHTING
 MONITOR BUZZER
·WINDSHIELD
 WIPER AND WASHER ·HEADLAMP
 LEVELLING
 SYSTEM
·HEATED SEAT
·HEATER
·MANUAL AIR
 CONDITIONER
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   
REAR 
WINDOW
DEFOGGER 
RELAY
REAR FOG 
LAMP·HEATER 
·MANUAL
 AIR
 CONDITIONER
(FUSIBLE LINK     )1RELAY BOX
REAR WINDOW 
DEFOGGER AND 
DOOR MIRROR 
HEATER
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   
·ABS 
·CENTRAL DOOR
 LOCKING SYSTEM 
·ENGINE CONTROL
 SYSTEM 
·FRONT FOG LAMP 
·HEADLAMP 
·HEADLAMP WASHER 
·IMMOBILIZER SYSTEM 
·INVECS-II 4A/T 
·KEY REMINDER BUZZER 
·POWER WINDOWS 
·REAR FOG LAMP 
·REAR WIPER AND
 WASHER 
·ROOM LAMP
 AND LUGGAGE
 COMPARTMENT LAMP 
·ROOM LAMP,
 PERSONAL LAMP AND
 LUGGAGE ROOM LAMP 
·SUPPLEMENTAL
 RESTRAINT SYSTEM (SRS) 
·TAIL LAMP,
 POSITION LAMP,
 LICENCE PLATE LAMP
 AND LIGHTING
 MONITOR BUZZER 
·TURN-SIGNAL LAMP AND
 HAZARD WARNING LAMP
·WINDSHIELD WIPER
 AND WASHER
FUSE 5 
Page 655 of 788
POWER DISTRIBUTION SYSTEM <RHD>
CIRCUIT DIAGRAMS90-17
 POWER DISTRIBUTION SYSTEM <RHD>
M1901000401117
·CENTRAL DOOR
 LOCKING SYSTEM 
·CLOCK
·FRONT FOG LAMP 
·FUEL WARNING
 LAMP
·HEADLAMP 
·HEADLAMP
 LEVELLING SYSTEM
·INVECS-II 4A/T
·KEY REMINDER
 BUZZER
·METER AND GAUGE
·POWER WINDOWS 
·REAR FOG LAMP 
·REAR WIPER AND
 WASHER
·ROOM LAMP AND
 LUGGAGE COM-
 PARTMENT LAMP·ROOM LAMP,
 PERSONAL LAMP
 AND LUGGAGE
 ROOM LAMP 
·SPARE CONNECTOR
 (FOR AUDIO)
·TAIL LAMP, POSITION 
 LAMP, LICENCE PLATE
 LAMP AND LIGHTING
 MONITOR BUZZER
·TURN-SIGNAL LAMP
 AND HAZARD
 WARNING LAMP
·WINDSHIELD WIPER
 AND WASHERENGINE 
CONTROL 
SYSTEM
INVECS-II 
4A/TTURN-SIGNAL 
LAMP AND 
HAZARD 
WARNING LAMP
CHARGING 
SYSTEMACCESSORY 
SOCKET
·ABS 
·INVECS-II
 4A/T
·STOP LAMP·HEATER
·MANUAL AIR
 CONDITIONER
·COOLING
 SYSTEM
·ENGINE
 CONTROL
 SYSTEM
·IGNITION SYSTEM
·IMMOBILIZER 
 SYSTEM
·INVECS-II 4A/THORN ·COOLING
 SYSTEM
·MANUAL  AIR
 CONDITIONERABS
POWER 
WINDOWS STARTING 
SYSTEM
BATTERY
RELAY 
BOX FUSIBLE 
LINK
RELAY 
BOX
·REAR WINDOW
 DEFOGGER AND DOOR
 MIRROR HEATER
·RHEOSTAT
·SPARE CONNECTOR
 (FOR AUDIO)
·TAIL LAMP, POSITION
 LAMP, LICENCE PLATE
 LAMP AND LIGHTING
 MONITOR BUZZER
·TURN-SIGNAL LAMP AND
 HAZARD WARNING LAMP ·CIGARETTE LIGHTER 
 AND ASHTRAY
 ILLUMINATION LAMP
·FRONT FOG LAMP 
·HEATER
·HEADLAMP
 LEVELLING SYSTEM
·INVECS-II 4A/T
·MANUAL AIR
 CONDITIONER 
·METER AND GAUGE
·REAR FOG LAMP HEADLAMP 
LEVELLING 
SYSTEMHEADLAMP
HEADLAMP ·FRONT FOG
 LAMP
·SPARE
 CONNECTOR
 (FOR FRONT
 FOG LAMP)
FRONT-ECU
HEADLAMP
RELAY: LOHEADLAMP
RELAY: HITAIL LAMP 
RELAY
·HEADLAMP
·HEADLAMP
 LEVELLING
 SYSTEMTAIL LAMP, POSITION 
LAMP, LICENCE PLATE 
LAMP AND LIGHTING 
MONITOR BUZZER
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   
: 4G1
: 4G6 NOTE
CHARGING 
SYSTEM 
Page 656 of 788
POWER DISTRIBUTION SYSTEM <RHD>
CIRCUIT DIAGRAMS90-18
POWER DISTRIBUTION SYSTEM <RHD> (CONTINUED)
POWER DISTRIBUTION SYSTEM <RHD> (CONTINUED)
IGNITION 
SWITCHRELAY 
BOX
·CLOCK
·ROOM LAMP AND LUGGAGE 
 COMPARTMENT LAMP
·ROOM LAMP, PERSONAL LAMP
 AND LUGGAGE ROOM LAMP
·SPARE CONNECTOR
 (FOR AUDIO)
STARTING 
SYSTEM
IGNITION 
SYSTEM·ENGINE
 CONTROL
 SYSTEM ·ENGINE CONTROL
 SYSTEM
·INVECS-II
 4A/T ·INVECS-II 4A/T
·INVECS-II 4A/T·BACK-UP LAMP
·METER AND
 GAUGE
·REAR WIPER AND
 WASHER
·SUPPLEMENTAL
 RESTRAINT SYSTEM
 (SRS) ·SUPPLEMENTAL
 RESTRAINT
 SYSTEM (SRS)
·WINDSHIELD
 WIPER AND WASHER ·ABS
·BRAKE WARNING
 LAMP
·CENTRAL DOOR
 LOCKING SYSTEM
·ENGINE CONTROL
 SYSTEM
·FRONT
 FOG LAMP
·FUEL WARNING
 LAMP
·HEADLAMP
·KEY REMINDER
 BUZZER
·METER AND
 GAUGE·OIL PRESSURE
 WARNING LAMP
·POWER WINDOWS
·REAR FOG LAMP
·REAR WIPER
 AND WASHER
·TAIL LAMP,
 POSITION LAMP,
 LICENCE PLATE
 LAMP AND LIGHTING
 MONITOR BUZZER
·WINDSHIELD
 WIPER AND WASHER
RELAY BOX4FUSIBLE 
LINK
REAR WIPER 
AND WASHER ·ACCESSORY
 SOCKET
·REMOTE
 CONTROLLED
 MIRROR CIGARETTE 
LIGHTER AND 
ASHTRAY 
ILLUMINATION 
LAMP ABS WINDSHIELD 
WIPER AND 
WASHER
·FRONT
 FOG LAMP
·HEADLAMP
·REAR
 FOG LAMP
·TAIL LAMP,
 POSITION LAMP,
 LICENCE PLATE
 LAMP AND LIGHTING
 MONITOR BUZZER
·WINDSHIELD
 WIPER AND WASHER ·HEADLAMP
 LEVELLING
 SYSTEM
·HEATER
·MANUAL AIR
 CONDITIONER
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   
REAR 
WINDOW
DEFOGGER 
RELAY
REAR FOG 
LAMP·HEATER 
·MANUAL
 AIR
 CONDITIONER
REAR WINDOW
DEFOGGER AND 
DOOR MIRROR 
HEATER
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   
·ABS 
·CENTRAL DOOR
 LOCKING SYSTEM 
·ENGINE CONTROL
 SYSTEM 
·FRONT FOG LAMP 
·HEADLAMP 
·IMMOBILIZER SYSTEM 
·INVECS-II 4A/T 
·KEY REMINDER BUZZER 
·POWER WINDOWS 
·REAR FOG LAMP 
·REAR WIPER AND
 WASHER 
·ROOM LAMP
 AND LUGGAGE
 COMPARTMENT LAMP 
·ROOM LAMP,
 PERSONAL LAMP AND
 LUGGAGE ROOM LAMP 
·SUPPLEMENTAL
 RESTRAINT SYSTEM (SRS) 
·TAIL LAMP,
 POSITION LAMP,
 LICENCE PLATE LAMP
 AND LIGHTING
 MONITOR BUZZER 
·TURN-SIGNAL LAMP AND
 HAZARD WARNING LAMP
·WINDSHIELD WIPER
 AND WASHER
(FUSIBLE LINK     )1RELAY BOX
FUSE 
5 
Page 657 of 788
STARTING SYSTEM <M/T>
CIRCUIT DIAGRAMS90-19
STARTING SYSTEM <M/T>
M1901000501318
IGNITION
SWITCH (ST)
STARTER
ENGINE CONTROL 
SYSTEM
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   
NOTE
      : LHD 
      : RHD
BATTERY 
Page 658 of 788
STARTING SYSTEM <A/T>
CIRCUIT DIAGRAMS90-20
STARTING SYSTEM <A/T>
M1901000501329
BATTERYIGNITION
SWITCH (ST)
INHIBITOR 
SWITCH
STARTER
ENGINE CONTROL 
SYSTEM
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   
NOTE
      : LHD 
      : RHD 
Page 659 of 788
IGNITION SYSTEM <4G1-M/T (LHD)>
CIRCUIT DIAGRAMS90-21
IGNITION SYSTEM <4G1-M/T (LHD)>
M1901000601832
IGNITION 
SWITCH (IG1)
IGNITION 
COIL (1)IGNITION 
COIL (2)
SPARK PLUG
ENGINE-ECU
ENGINE SPEED 
DETECTION 
CONNECTOR
INPUT SIGNAL
·ATMOSPHERIC
 PRESSURE SENSOR
·CAMSHAFT
 POSITION SENSOR
·ENGINE CRANK
 ANGLE SENSOR·WATER TEMPERATURE
 SENSOR UNIT ·ENGINE CONTROL
 DETONATION SENSOR·FUEL PRESSURE SENSOR
·IGNITION SWITCH (ST)
·INTAKE AIR TEMPERATURE
 SENSOR
·ENGINE CONTROL
 OXYGEN SENSOR·VEHICLE SPEED SENSOR ·THROTTLE BODY
 THROTTLE SENSOR 
Page 660 of 788
IGNITION SYSTEM <4G1-M/T (RHD)>
CIRCUIT DIAGRAMS90-22
IGNITION SYSTEM <4G1-M/T (RHD)>
M1901000601843
IGNITION 
SWITCH (IG1)
IGNITION 
COIL (1)IGNITION 
COIL (2)
SPARK PLUG
ENGINE-ECU
ENGINE SPEED 
DETECTION 
CONNECTOR
INPUT SIGNAL
BATTERY
IGNITION 
COIL RELAYRELAY 
BOX
·ENGINE
 CONTROL
 SYSTEM
·IMMOBILIZER
 SYSTEM
·ATMOSPHERIC
 PRESSURE SENSOR
·CAMSHAFT
 POSITION SENSOR
·ENGINE CRANK
 ANGLE SENSOR·WATER TEMPERATURE
 SENSOR UNIT ·ENGINE CONTROL
 DETONATION SENSOR·FUEL PRESSURE SENSOR
·IGNITION SWITCH (ST)
·INTAKE AIR
 TEMPERATURE
 SENSOR
·ENGINE CONTROL
 OXYGEN SENSOR
·VEHICLE SPEED SENSOR ·THROTTLE BODY
 THROTTLE SENSOR