Page 512 of 800
ENGINE CONTROL SYSTEM
CIRCUIT DIAGRAMS90-48
ENGINE CONTROL SYSTEM
ENGINE CONTROL SYSTEM <4G1-M/T
(LHD)>
M1901000804277
IGNITION
SWITCH (IG1)
ENGINE-ECUFUEL
PUMP
RELAY
(1)FUEL
PUMP
RELAY
(2)
COMBINATION
METERBATTERY FUSIBLE
LINK1
RELAY
BOX
FUEL TANK
PUMP
Page 513 of 800
ENGINE CONTROL SYSTEM
CIRCUIT DIAGRAMS90-49
NOTE
: SEDAN
: WAGON
IGNITION
SWITCH (ST)
STARTING
SYSTEM
·COOLING
SYSTEM
·MANUAL AIR
CONDITIONER ·AUTOMATIC AIR
CONDITIONER
ENGINE
CONTROL
RELAY
BACK-UP
POWER SOURCE 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 PU : Purple
Page 514 of 800
ENGINE CONTROL SYSTEM
CIRCUIT DIAGRAMS90-50
ENGINE CONTROL SYSTEM <4G1-M/T (LHD)> (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 518 of 800
ENGINE CONTROL SYSTEM
CIRCUIT DIAGRAMS90-54
ENGINE CONTROL SYSTEM <4G1-M/T
(RHD)>
M1901000804288
IGNITION
SWITCH (IG1)
ENGINE-ECUFUEL
PUMP
RELAY
(1)FUEL
PUMP
RELAY
(2)
COMBINATION
METERBATTERY FUSIBLE
LINK1
RELAY
BOX
FUEL TANK
PUMP
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 524 of 800
ENGINE CONTROL SYSTEM
CIRCUIT DIAGRAMS90-60
ENGINE CONTROL SYSTEM <4G1-A/T
(LHD)>
M1901000804299
IGNITION
SWITCH (IG1)
ENGINE-
A/T-ECUFUEL
PUMP
RELAY
(1)FUEL
PUMP
RELAY
(2)
COMBINATION
METERBATTERY FUSIBLE
LINK1
RELAY
BOX
FUEL TANK
PUMP
Page 525 of 800
ENGINE CONTROL SYSTEM
CIRCUIT DIAGRAMS90-61
NOTE
: SEDAN
: WAGON
IGNITION
SWITCH (ST)
STARTING
SYSTEM ·COOLING
SYSTEM
·MANUAL AIR
CONDITIONER ·AUTOMATIC AIR
CONDITIONER
ENGINE
CONTROL
RELAY
POWER
SOURCEBACK-UP
POWER SOURCEINHIBITOR
SWITCH