Page 669 of 788
ENGINE CONTROL SYSTEM <4G1-M/T (RHD)>
CIRCUIT DIAGRAMS90-31
ENGINE CONTROL SYSTEM <4G1-M/T (RHD)>
M1901000802312
IGNITION
SWITCH (IG1)
ENGINE-ECUFUEL
PUMP
RELAY
(1)FUEL
PUMP
RELAY
(2)
COMBINATION
METERBATTERY FUSIBLE
LINK1
RELAY
BOX
FUEL
TANK
PUMP
NOTE
: SEDAN
: WAGONIGNITION
SWITCH (ST)
STARTING
SYSTEM
·COOLING
SYSTEM
·MANUAL AIR
CONDITIONER
ENGINE
CONTROL
RELAY
POWER
SOURCE
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
·IGNITION
SYSTEM
·IMMOBILIZER
SYSTEM
BACK-UP
POWER SOURCE
·FRONT FOG LAMP
·HEADLAMP :
·TAIL LAMP, POSITION LAMP,
LICENCE PLATE LAMP AND
LIGHTING MONITOR BUZZER
·TURN-SIGNAL LAMP
AND HAZARD WARNING LAMP
·WINDSHIELD
WIPER AND WASHER ·REAR FOG LAMP
·REAR WIPER AND WASHER
Page 670 of 788

ENGINE CONTROL SYSTEM <4G1-M/T (RHD)>
CIRCUIT DIAGRAMS90-32
ENGINE CONTROL SYSTEM <4G1-M/T (RHD)> (CONTINUED)
ENGINE CONTROL SYSTEM <4G1-M/T (RHD)> (CONTINUED)
ENGINE CONTROL
RELAY
FUEL
INJECTOR 1FUEL
INJECTOR 2FUEL
INJECTOR 3FUEL
INJECTOR 4
ENGINE-
ECU
ENGINE CONTROL
OXYGEN SENSOR
(REAR)ENGINE
CONTROL
OXYGEN
SENSOR
(FRONT)
CAMSHAFT
POSITION
SENSOR
OUTPUT
GNDPOWER
SOURCE
INTAKE AIR
TEMPERATURE
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 EMISSION
SOLENOID
VALVE
(PURGE
CONTROL
SYSTEM)EMISSION
SOLENOID
VALVE
(EGR
SYSTEM)ENGINE
CRANK
ANGLE
SENSOR
INLET MANIFOLD
ABSOLUTE PRESSURE SENSORWATER
TEMPERA-
TURE
SENSOR
UNITTHROTTLE
BODY
THROTTLE
SENSOR
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
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
Page 671 of 788
ENGINE CONTROL SYSTEM <4G1-A/T (LHD)>
CIRCUIT DIAGRAMS90-33
ENGINE CONTROL SYSTEM <4G1-A/T (LHD)>
M1901000802323
IGNITION
SWITCH (IG1)
ENGINE-
A/T-ECUFUEL
PUMP
RELAY
(1)FUEL
PUMP
RELAY
(2)
COMBINATION
METERBATTERY FUSIBLE
LINK1
RELAY
BOX
FUEL
TANK
PUMP
NOTE
: SEDAN
: WAGON
IGNITION
SWITCH (ST)
STARTING
SYSTEM ·COOLING
SYSTEM
·MANUAL AIR
CONDITIONER
ENGINE
CONTROL
RELAY
POWER
SOURCE
BACK-UP
POWER SOURCE
INHIBITOR
SWITCH
Page 672 of 788

ENGINE CONTROL SYSTEM <4G1-A/T (LHD)>
CIRCUIT DIAGRAMS90-34
ENGINE CONTROL SYSTEM <4G1-A/T (LHD)> (CONTINUED)
ENGINE CONTROL SYSTEM <4G1-A/T (LHD)> (CONTINUED)
ENGINE CONTROL
RELAY
ENGINE-
A/T-ECU
ENGINE CONTROL
OXYGEN SENSOR
(REAR)OUTPUT
GNDPOWER
SOURCE
INTAKE AIR
TEMPERATURE
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
CAMSHAFT
POSITION
SENSOR EMISSION
SOLENOID
VALVE
(PURGE
CONTROL
SYSTEM)EMISSION
SOLENOID
VALVE
(EGR
SYSTEM)ENGINE
CRANK
ANGLE
SENSOR
WATER
TEMPERA-
TURE
SENSOR
UNITTHROTTLE
BODY
THROTTLE
SENSOR
FUEL
INJECTOR 1FUEL
INJECTOR 2FUEL
INJECTOR 3FUEL
INJECTOR 4
ENGINE
CONTROL
OXYGEN
SENSOR
(FRONT)
INLET MANIFOLD
ABSOLUTE PRESSURE SENSOR
CHARGING
SYSTEMMANUAL AIR
CONDITIONER
·MANUAL AIR
CONDITIONER ·COOLING
SYSTEMTHROTTLE
BODY IDLE
SPEED
CONTROL
SERVO
ENGINE-A/T-ECU
ENGINE CONTROL
DETONATION
SENSOR
IMMOBILIZER
SYSTEMIGNITION
SYSTEM
FRONT
SIDE
FRONT
SIDE
ENGINE-A/T-
ECU
(FUSE )
3
(FUSE )15
DIAGNOSIS
CONNECTOR
DIAGNOSIS
CONNECTOR ENGINE
SPEED
DETECTION
CONNECTOR OUTPUT SHAFT
SPEED SENSOR A/T
CONTROL
RELAY
INVECS-II
4A/T INVECS-II
4A/T
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
STEERING
FLUID
PRESSURE
SWITCH
Page 673 of 788
ENGINE CONTROL SYSTEM <4G1-A/T (RHD)>
CIRCUIT DIAGRAMS90-35
ENGINE CONTROL SYSTEM <4G1-A/T (RHD)>
M1901000802334
IGNITION
SWITCH (ST)
STARTING
SYSTEM ·COOLING
SYSTEM
·MANUAL AIR
CONDITIONER
POWER
SOURCEBACK-UP
POWER SOURCEINHIBITOR
SWITCH ENGINE
CONTROL
RELAY
·IGNITION
SYSTEM
·IMMOBILIZER
SYSTEM
NOTE
: SEDAN
: WAGON
·FRONT FOG LAMP
·HEADLAMP :
·TAIL LAMP, POSITION LAMP,
LICENCE PLATE LAMP AND
LIGHTING MONITOR BUZZER
·TURN-SIGNAL LAMP
AND HAZARD WARNING LAMP
·WINDSHIELD
WIPER AND WASHER ·REAR FOG LAMP
·REAR WIPER AND WASHERIGNITION
SWITCH (IG1)
ENGINE-
A/T-ECUFUEL
PUMP
RELAY
(1)FUEL
PUMP
RELAY
(2)
COMBINATION
METERBATTERY FUSIBLE
LINK1
FUEL
TANK PUMP
RELAY
BOX
Page 674 of 788

ENGINE CONTROL SYSTEM <4G1-A/T (RHD)>
CIRCUIT DIAGRAMS90-36
ENGINE CONTROL SYSTEM <4G1-M/T (RHD)> (CONTINUED)
ENGINE CONTROL SYSTEM <4G1-A/T (RHD)> (CONTINUED)
CAMSHAFT
POSITION
SENSOR
OUTPUT
GNDPOWER
SOURCE
INTAKE AIR
TEMPERATURE
SENSOREMISSION
SOLENOID
VALVE
(PURGE
CONTROL
SYSTEM)EMISSION
SOLENOID
VALVE
(EGR
SYSTEM)ENGINE
CRANK
ANGLE
SENSOR
INLET MANIFOLD
ABSOLUTE PRESSURE SENSORWATER
TEMPERA-
TURE
SENSOR
UNITTHROTTLE
BODY
THROTTLE
SENSOR ENGINE CONTROL
RELAY
FUEL
INJECTOR 1FUEL
INJECTOR 2FUEL
INJECTOR 3FUEL
INJECTOR 4
ENGINE-
A/T-ECU
ENGINE CONTROL
OXYGEN SENSOR
(REAR)ENGINE
CONTROL
OXYGEN
SENSOR
(FRONT)
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
ENGINE-A/T-
ECU
(FUSE )
(FUSE )
DIAGNOSIS
CONNECTOR
DIAGNOSIS
CONNECTOR
POWER
STEERING
FLUID PRESSURE
SWITCHENGINE
SPEED
DETECTION
CONNECTOR
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 OUTPUT SHAFT
SPEED SENSOR A/T
CONTROL
RELAY
INVECS-II
4A/T INVECS-II
4A/T
3
15
CHARGING
SYSTEMMANUAL AIR
CONDITIONER
·MANUAL AIR
CONDITIONER ·COOLING
SYSTEMTHROTTLE
BODY
IDLE SPEED
CONTROL
SERVO
ENGINE-A/T-ECU
ENGINE CONTROL
DETONATION
SENSOR
IMMOBILIZER
SYSTEMIGNITION
SYSTEM
FRONT
SIDEFRONT
SIDE
Page 675 of 788
ENGINE CONTROL SYSTEM <4G6 (LHD)>
CIRCUIT DIAGRAMS90-37
ENGINE CONTROL SYSTEM <4G6 (LHD)>
M1901000802345
IGNITION
SWITCH (ST)
STARTING
SYSTEM
·COOLING
SYSTEM
·MANUAL AIR
CONDITIONER
ENGINE
CONTROL
RELAY
POWER
SOURCE
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 BACK-UP
POWER SOURCE IGNITION
SWITCH (IG1)
ENGINE-
ECUFUEL
PUMP
RELAY
(1)FUEL
PUMP
RELAY
(2)
COMBINATION
METERBATTERY FUSIBLE
LINK
1
RELAY
BOX
FUEL
TANK
PUMP
NOTE: SEDAN
: WAGON
Page 676 of 788

ENGINE CONTROL SYSTEM <4G6 (LHD)>
CIRCUIT DIAGRAMS90-38
ENGINE CONTROL SYSTEM <4G6 (LHD)> (CONTINUED)
ENGINE CONTROL SYSTEM <4G6 (LHD)> (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 AIR CLEANER
AIR FLOW SENSORINTAKE AIR
TEMPERATURE
SEMSORAIR
FLOW
SENSOR BAROMETRIC
PRESSURE
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 SOEED
CONTROL
SERVO
ENGINE-ECU
ENGINE CONTROL
DETONATION
SENSOR
IMMOBILIZER
SYSTEMIGNITION
SYSTEM
FRONT
SIDE