Page 506 of 800
IGNITION SYSTEM
CIRCUIT DIAGRAMS90-42
IGNITION SYSTEM <4G6-M/T (LHD)>
M1901000603106
IGNITION
SWITCH (IG1)
IGNITION
COIL (1)IGNITION
COIL (2)
SPARK PLUG
ENGINE-ECU
ENGINE SPEED
DETECTION
CONNECTOR
INPUT SIGNAL
CAPACITOR
·ATMOSPHERIC
PRESSURE SENSOR
·CAMSHAFT
POSITION SENSOR
·ENGINE CRANK
ANGLE SENSOR·WATER TEMPERATURE
SENSOR UNIT ·ENGINE CONTROL
DETONATION SENSOR·FUEL PRESSURE SENSOR
·IGNITION SWITCH (ST)
·INTAKE AIR
TEMPERATURE
SENSOR
·ENGINE CONTROL
OXYGEN SENSOR
·VEHICLE SPEED SENSOR ·THROTTLE BODY
THROTTLE SENSOR
Page 507 of 800
IGNITION SYSTEM
CIRCUIT DIAGRAMS90-43
IGNITION SYSTEM <4G6-M/T (RHD)>
M1901000603117
IGNITION
SWITCH (IG1)
IGNITION
COIL (1)IGNITION
COIL (2)
SPARK PLUG
ENGINE-ECU
ENGINE SPEED
DETECTION
CONNECTOR
INPUT SIGNAL
·ATMOSPHERIC
PRESSURE SENSOR
·CAMSHAFT
POSITION SENSOR
·ENGINE CRANK
ANGLE SENSOR·WATER TEMPERATURE
SENSOR UNIT ·ENGINE CONTROL
DETONATION SENSOR·FUEL PRESSURE SENSOR
·IGNITION SWITCH (ST)
·INTAKE AIR TEMPERATURE
SENSOR
·ENGINE CONTROL
OXYGEN SENSOR
·VEHICLE SPEED SENSOR ·THROTTLE BODY
THROTTLE
SENSOR
BATTERY
IGNITION
COIL RELAYRELAY
BOX
·ENGINE
CONTROL
SYSTEM
·IMMOBILIZER
SYSTEM
CAPACITOR
Page 508 of 800
IGNITION SYSTEM
CIRCUIT DIAGRAMS90-44
IGNITION SYSTEM <4G6-A/T (LHD)>
M1901000603128
IGNITION
SWITCH (IG1)
IGNITION
COIL (1)IGNITION
COIL (2)
SPARK PLUG
ENGINE-
A/T-ECU
ENGINE SPEED
DETECTION
CONNECTOR
INPUT SIGNAL
CAPACITOR
·ATMOSPHERIC
PRESSURE SENSOR
·CAMSHAFT
POSITION SENSOR
·ENGINE CRANK
ANGLE SENSOR·WATER TEMPERATURE
SENSOR UNIT ·ENGINE CONTROL
DETONATION SENSOR·FUEL PRESSURE SENSOR
·IGNITION SWITCH (ST)
·INHIBITOR SWITCH
·INTAKE AIR
TEMPERATURE
SENSOR
·ENGINE CONTROL
OXYGEN SENSOR·THROTTLE BODY
THROTTLE SENSOR
Page 515 of 800
ENGINE CONTROL SYSTEM
CIRCUIT DIAGRAMS90-51
INLET MANIFOLD
ABSOLUTE PRESSURE SENSORWATER
TEMPERA-
TURE
SENSOR UNITTHROTTLE
BODY
THROTTLE
SENSOR EMISSION
SOLENOID
VALVE
(PURGE
CONTROL
SYSTEM)EMISSION
SOLENOID
VALVE
(EGR
SYSTEM)CAMSHAFT
POSITION
SENSORENGINE
CRANK
ANGLE
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 PU : Purple
Page 521 of 800
ENGINE CONTROL SYSTEM
CIRCUIT DIAGRAMS90-57
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
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 527 of 800
ENGINE CONTROL SYSTEM
CIRCUIT DIAGRAMS90-63
OUTPUT
GNDPOWER
SOURCE
INTAKE AIR
TEMPERATURE
SENSORCAMSHAFT
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
INLET MANIFOLD
ABSOLUTE 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 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 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
