Page 678 of 788

ENGINE CONTROL SYSTEM <4G6 (RHD)>
CIRCUIT DIAGRAMS90-40
ENGINE CONTROL SYSTEM <4G6 (RHD)> (CONTINUED)
ENGINE CONTROL SYSTEM <4G6 (RHD)> (CONTINUED)
WATER
TEMPERA-
TURE
SENSORTHROTTLE
BODY
THROTTLE
SENSOR EMISSION
SOLENOID
VALVE
(PURGE
CONTROL
SYSTEM)EMISSION
SOLENOID
VALVE
(EGR
SYSTEM)CAMSHAFT
POSITION
SENSORENGINE
CRANK
ANGLE
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 INTAKE AIR
TEMPERATURE
SEMSORAIR
FLOW
SENSOR BAROMETRIC
PRESSURE
SENSOR
AIR CLEANER
AIR FLOW SENSOR ENGINE CONTROL
RELAY
FUEL
INJECTOR 1FUEL
INJECTOR 2FUEL
INJECTOR 3FUEL
INJECTOR 4
ENGINE-
ECU
ENGINE CONTROL
OXYGEN SENSOR
(REAR)ENGINE
CONTROL
OXYGEN
SENSOR
(FRONT)
ENGINE-
ECU
(FUSE )2
(FUSE )15
DIAGNOSIS
CONNECTOR
DIAGNOSIS
CONNECTOR
POWER
STEERING
FLUID PRESSURE
SWITCHENGINE
SPEED
DETECTION
CONNECTOR VEHICLE
SPEED
SENSOR
METER AND
GAUGE
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
CHARGING
SYSTEMMANUAL AIR
CONDITIONER
·MANUAL AIR
CONDITIONER ·COOLING
SYSTEMTHROTTLE
BODY
IDLE SPEED
CONTROL
SERVO
ENGINE-ECU
ENGINE CONTROL
DETONATION
SENSOR
IMMOBILIZER
SYSTEMIGNITION
SYSTEM
FRONT
SIDEFRONT
SIDE
Page 687 of 788
HEADLAMP
CIRCUIT DIAGRAMS90-49
HEADLAMP
M1901001501300
DIMMER·
PASSING
SWITCHLIGHTING
SWITCH COLUMN-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 ( )
( )
POWER
SOURCEIGNITION
SWITCH (IG1) IGNITION
SWITCH (IG2)
COLUMN SWITCH
·ABS
·BRAKE WARNING LAMP
·CHARGING SYSTEM
·ENGINE CONTROL SYSTEM
·FUEL WARNING LAMP
·INVECS-II 4A/T
·METER AND GAUGE
·OIL PRESSURE WARNING
LAMP
( )HEADLAMP
RELAY: LO BATTERY
RELAY
BOX
FRONT-ECU( )HEADLAMP
RELAY: HI
HEADLAMP
(LH)(RH)
COMBINATION
METER RELAY
BOX
HEADLAMP
LEVELLING
SYSTEM
Page 693 of 788
TAIL LAMP, POSITION LAMP, LICENCE PLATE LAMP AND LIGHTING MONITOR BUZZER
CIRCUIT DIAGRAMS90-55
TAIL LAMP, POSITION LAMP, LICENCE PLATE LAMP AND LIGHTING MONITOR BUZZER
(CONTINUED)
1FUSIBLE
LINK
DIAGNOSIS
CONNECTOR
POWER
SOURCEBUZZER
KEY
REMINDER
SWITCH
(WHEN
REMOVING
KEY: ON)
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 DOOR SWITCH
(FRONT: RH) IGNITION
SWITCH (IG1)
ETACS-ECU
COLUMN
SWITCH
COLUMN-ECU
LIGHTING
SWITCH
FRONT
SIDE
J/B SIDE
(FUSE )22
(FUSE )22
RELAY
BOX
NOTE:·ABS
·BRAKE WARNING LAMP
·CHARGING SYSTEM
·ENGINE CONTROL
SYSTEM
·INVECS-II 4A/T
·METER AND GAUGE ·FUEL WARNING LAMP
·OIL PRESSURE WARNING
LAMP
Page 697 of 788
FRONT FOG LAMP
CIRCUIT DIAGRAMS90-59
FRONT FOG LAMP
M1901011900298
IGNITION
SWITCH (IG2)IGNITION
SWITCH (IG1)
COLUMN-ECU
LIGHTING
SWITCH
COLUMN
SWITCH ETACS-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 POWER
SOURCE
·ABS
·BRAKE WARNING LAMP
·CHARGING SYSTEM
·ENGINE CONTROL SYSTEM
·FUEL WARNING LAMP
·INVECS-II 4A/T
·METER AND GAUGE
·OIL PRESSURE WARNING
LAMP
BATTERY
RELAY
BOX
FRONT FOG
LAMP RELAYRELAY
BOX
TAIL LAMP
RELAY
( )
ETACS-
ECU RELAY
BOX
FRONT FOG
LAMP
(LH)(RH)COMBINATION
METERFOG
LAMP
SWITCH FRONT-
ECUSPARE
CONNECTOR
FOR FRONT
FOG LAMP
RHEOSTAT TAIL LAMP,
POSITION LAMP,
LICENCE PLATE
LAMP AND
LIGHTING
MONITOR
BUZZER
Page 709 of 788
REAR FOG LAMP
CIRCUIT DIAGRAMS90-71
REAR FOG LAMP
M1901012000168
RELAY
BOX
J/B SIDE RHEOSTAT
BATTERY
(FUSE )5
RELAY
BOX
FRONT-ECU
FOG LAMP
SWITCHETACS-
ECUPOWER
SOURCE TAIL
LAMP
RELAY
TAIL LAMP,
POSITION LAMP,
LICENCE PLATE
LAMP AND LIGHTING
MONITOR BUZZER
NOTE
·CHARGING SYSTEM ·ABS
·BRAKE WARNING LAMP
·ENGINE CONTROL SYSTEM
·FUEL WARNING LAMP
·INVECS-II 4A/T
·METER AND GAUGE
·OIL PRESSURE WARNING LAMP
:
IGNITION
SWITCH (IG2)IGNITION
SWITCH (IG1)
ETACS-
ECU
POWER
SOURCE
COLUMN-ECU
COLUMN
SWITCHLIGHTING
SWITCHREAR FOG
LAMP RELAY
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
Page 711 of 788

HEADLAMP LEVELLING SYSTEM
CIRCUIT DIAGRAMS90-73
HEADLAMP LEVELLING SYSTEM
M1901012500248
RELAY
BOXIGNITION
SWITCH (IG2)
HEADLAMP
LEVELLING
SWITCH
RHEOSTAT
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
·AUDIO SYSTEM
·CENTRAL DOOR
LOCKING SYSTEM
·CLOCK
·FRONT
FOG LAMP
·FUEL
WARNING LAMP
·HEADLAMP
·KEY REMINDER
BUZZER
·METER AND
GAUGE
·POWER WINDOWS·REAR
FOG LAMP
·ROOM LAMP
AND LUGGAGE
COMPARTMENT LAMP
·TAIL LAMP,
POSITION LAMP,
LICENCE PLATE LAMP
AND LIGHTING
MONITOR BUZZER
·TURN-SIGNAL LAMP
AND HAZARD
WARNING LAMP
·WINDSHIELD
WIPER AND WASHER
TAIL LAMP
RELAYPOWER
SOURCE
·TAIL LAMP,
POSITION LAMP,
LICENCE PLATE LAMP
AND LIGHTING
MONITOR BUZZER NOTE
:
:
·HEADLAMP
WASHER·REAR WIPER AND
WASHER
BATTERY
FRONT-ECU
HEADLAMP
RELAY: LO
RELAY
BOX
HEADLAMP
FRONT
COMBINATION
LAMP
(LEVELLING: LH)FRONT
COMBINATION
LAMP
(LEVELLING: RH)
MOTOR
DRIVE
CIRCUITVOLTAGE
COMPARISON
CIRCUITMOTOR
DRIVE
CIRCUITVOLTAGE
COMPARISON
CIRCUIT
Page 712 of 788
HEADLAMP LEVELLING SYSTEM
CIRCUIT DIAGRAMS90-74
HEADLAMP LEVELLING SYSTEM
M1901012500259
RELAY
BOXIGNITION
SWITCH (IG2)
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
TAIL LAMP
RELAYPOWER
SOURCE
·AUDIO SYSTEM
·CENTRAL DOOR
LOCKING SYSTEM :
·CLOCK
·FRONT
FOG LAMP
·FUEL
WARNING LAMP
·HEADLAMP
·HEADLAMP
WASHER
·KEY REMINDER
BUZZER
·METER AND GAUGE
·POWER WINDOWS·REAR FOG LAMP
·REAR WIPER AND
WASHER
·ROOM LAMP
AND LUGGAGE
COMPARTMENT LAMP
·TAIL LAMP,
POSITION LAMP,
LICENCE PLATE LAMP
AND LIGHTING
MONITOR BUZZER
·TURN-SIGNAL LAMP
AND HAZARD
WARNING LAMP
·WINDSHIELD
WIPER AND WASHER
BATTERY
FRONT-ECU
HEADLAMP
RELAY: LO
RELAY
BOX
HEADLAMP
FRONT
COMBINATION
LAMP
(LEVELLING: LH)FRONT
COMBINATION
LAMP
(LEVELLING: RH)
MOTOR
DRIVE
CIRCUITVOLTAGE
COMPARISON
CIRCUITMOTOR
DRIVE
CIRCUITVOLTAGE
COMPARISON
CIRCUIT
Page 717 of 788
TURN SIGNAL LAMP AND HAZARD WARNING LAMP
CIRCUIT DIAGRAMS90-79
TURN SIGNAL LAMP AND HAZARD WARNING LAMP (CONTINUED)
1FUSIBLE
LINK
DIAGNOSIS
CONNECTOR (FUSE )
22RELAY
BOX
COLUMN-ECUCOLUMN
SWITCH
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
:: :·FRONT FOG LAMP
·HEADLAMP TAIL LAMP,
POSITION LAMP,
LICENCE PLATE
LAMP AND LIGHTING
MONITOR BUZZER
·TAIL LAMP, POSITION
LAMP, LICENCE PLATE
LAMP AND LIGHTING
MONITOR BUZZER
·WINDSHIELD
WIPER AND WASHER ·HEADLAMP WASHER ·HEADLAMP LEVELLING
SYSTEM
·REAR FOG LAMP·ABS
·BRAKE WARNING LAMP
·CHARGING SYSTEM
·ENGINE CONTROL
SYSTEM
·INVECS-II 4A/T
·METER AND GAUGE ·FUEL WARNING LAMP
·OIL PRESSURE WARNING
LAMPBATTERYIGNITION
SWITCH (IG1) FRONT-ECU
TAIL LAMP
RELAY
RELAY
BOX
HAZARD
WARNING
SWITCHCOLUMN
SWITCH
RHEOSTAT
FRONT
SIDE
POWER SOURCE
TURN-SIGNAL
LAMP SWITCH
ETACS-ECU