Page 529 of 800
ENGINE CONTROL SYSTEM
CIRCUIT DIAGRAMS90-65
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
POWER
STEERING
FLUID
PRESSURE
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 PU : Purple
Page 532 of 800
ENGINE CONTROL SYSTEM
CIRCUIT DIAGRAMS90-68
ENGINE CONTROL SYSTEM <4G1-M/T (RHD)> (CONTINUED)
ENGINE CONTROL
RELAY
FUEL
INJECTOR 1FUEL
INJECTOR 2FUEL
INJECTOR 3FUEL
INJECTOR 4
ENGINE
CONTROL
OXYGEN
SENSOR
(REAR)ENGINE
CONTROL
OXYGEN
SENSOR
(FRONT)
Page 533 of 800
ENGINE CONTROL SYSTEM
CIRCUIT DIAGRAMS90-69
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
SENSORENGINE-
A/T-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
Page 534 of 800
ENGINE CONTROL SYSTEM
CIRCUIT DIAGRAMS90-70
ENGINE CONTROL SYSTEM <4G1-A/T (RHD)> (CONTINUED)
CHARGING
SYSTEM
·MANUAL AIR
CONDITIONER ·MANUAL AIR
CONDITIONER·AUTOMATIC AIR
CONDITIONER ·AUTOMATIC AIR
CONDITIONER
·COOLING
SYSTEMTHROTTLE
BODY
IDLE SPEED
CONTROL
SERVO
ENGINE-A/T-ECU
ENGINE CONTROL
DETONATION
SENSOR
IMMOBILIZER
SYSTEMIGNITION
SYSTEM
FRONT
SIDEFRONT
SIDE
Page 535 of 800
ENGINE CONTROL SYSTEM
CIRCUIT DIAGRAMS90-71
ENGINE-A/T-
ECU
(FUSE )
(FUSE )
DIAGNOSIS
CONNECTOR
DIAGNOSIS
CONNECTOR
POWER
STEERING
FLUID PRESSURE
SWITCHENGINE
SPEED
DETECTION
CONNECTOR OUTPUT SHAFT
SPEED SENSOR A/T
CONTROL
RELAY
INVECS-II
4A/T INVECS-II
4A/T
3
15
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
Page 538 of 800
ENGINE CONTROL SYSTEM
CIRCUIT DIAGRAMS90-74
ENGINE CONTROL SYSTEM <4G6-M/T (LHD)> (CONTINUED)
ENGINE CONTROL
RELAY
FUEL
INJECTOR 1FUEL
INJECTOR 2FUEL
INJECTOR 3FUEL
INJECTOR 4
ENGINE
CONTROL
OXYGEN
SENSOR
(REAR)ENGINE
CONTROL
OXYGEN
SENSOR
(FRONT) ENGINE-
ECU
Page 539 of 800
ENGINE CONTROL SYSTEM
CIRCUIT DIAGRAMS90-75
WATER
TEMPERA-
TURE
SENSORTHROTTLE
BODY
THROTTLE
SENSOR EMISSION
SOLENOID
VA LV E
(PURGE
CONTROL
SYSTEM)EMISSION
SOLENOID
VA LV E
(EGR
SYSTEM)CAMSHAFT
POSITION
SENSORENGINE
CRANK
ANGLE
SENSOR
AIR CLEANER
AIR FLOW SENSORINTAKE AIR
TEMPERATURE
SEMSORAIR
FLOW
SENSOR BAROMETRIC
PRESSURE
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
Page 540 of 800
ENGINE CONTROL SYSTEM
CIRCUIT DIAGRAMS90-76
ENGINE CONTROL SYSTEM <4G6-M/T (LHD)> (CONTINUED)
CHARGING
SYSTEM
·MANUAL AIR
CONDITIONER ·MANUAL AIR
CONDITIONER·AUTOMATIC AIR
CONDITIONER ·AUTOMATIC AIR
CONDITIONER
·COOLING
SYSTEMTHROTTLE
BODY
IDLE SOEED
CONTROL
SERVO
ENGINE-ECU
ENGINE CONTROL
DETONATION
SENSOR
IMMOBILIZER
SYSTEMIGNITION
SYSTEM
FRONT
SIDE