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 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 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
Page 541 of 800
ENGINE CONTROL SYSTEM
CIRCUIT DIAGRAMS90-77
ENGINE-
ECU
(FUSE )
2
(FUSE )15
DIAGNOSIS
CONNECTOR
DIAGNOSIS
CONNECTOR
POWER
STEERING
FLUID PRESSURE
SWITCHENGINE
SPEED
DETECTION
CONNECTOR VEHICLE
SPEED
SENSOR
METER AND
GAUGE
FRONT
SIDE
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 543 of 800
ENGINE CONTROL SYSTEM
CIRCUIT DIAGRAMS90-79
NOTE
·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
IGNITION
SWITCH (ST)
STARTING
SYSTEM
·COOLING
SYSTEM
·MANUAL AIR
CONDITIONER ·AUTOMATIC AIR
CONDITIONER
ENGINE
CONTROL
RELAY
POWER
SOURCEBACK-UP
POWER SOURCE
IGNITION
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 PU : Purple
Page 544 of 800
ENGINE CONTROL SYSTEM
CIRCUIT DIAGRAMS90-80
ENGINE CONTROL SYSTEM <4G6-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)
Page 546 of 800
ENGINE CONTROL SYSTEM
CIRCUIT DIAGRAMS90-82
ENGINE CONTROL SYSTEM <4G6-M/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-ECU
ENGINE CONTROL
DETONATION
SENSOR
IMMOBILIZER
SYSTEMIGNITION
SYSTEM
FRONT
SIDEFRONT
SIDE
Page 550 of 800
ENGINE CONTROL SYSTEM
CIRCUIT DIAGRAMS90-86
ENGINE CONTROL SYSTEM <4G6-A/T (LHD)> (CONTINUED)
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)