Page 519 of 800
ENGINE CONTROL SYSTEM
CIRCUIT DIAGRAMS90-55
NOTE
: SEDAN
: WAGONIGNITION
SWITCH (ST)
STARTING
SYSTEM
·COOLING
SYSTEM
·MANUAL AIR
CONDITIONER ·AUTOMATIC AIR
CONDITIONER
ENGINE
CONTROL
RELAY
POWER
SOURCE
·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
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 520 of 800
ENGINE CONTROL SYSTEM
CIRCUIT DIAGRAMS90-56
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)
Page 522 of 800
ENGINE CONTROL SYSTEM
CIRCUIT DIAGRAMS90-58
ENGINE CONTROL SYSTEM <4G1-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 526 of 800
ENGINE CONTROL SYSTEM
CIRCUIT DIAGRAMS90-62
ENGINE CONTROL SYSTEM <4G1-A/T (LHD)> (CONTINUED)
ENGINE CONTROL
RELAY
ENGINE-
A/T-ECU
ENGINE
CONTROL
OXYGEN
SENSOR
(REAR)FUEL
INJECTOR 1FUEL
INJECTOR 2FUEL
INJECTOR 3FUEL
INJECTOR 4
ENGINE
CONTROL
OXYGEN
SENSOR
(FRONT)
Page 528 of 800
ENGINE CONTROL SYSTEM
CIRCUIT DIAGRAMS90-64
ENGINE CONTROL SYSTEM <4G1-A/T (LHD)> (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
SIDE
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 531 of 800
ENGINE CONTROL SYSTEM
CIRCUIT DIAGRAMS90-67
IGNITION
SWITCH (ST)
STARTING
SYSTEM ·COOLING
SYSTEM
·MANUAL AIR
CONDITIONER ·AUTOMATIC 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 WASHER
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)
