2006 TOYOTA RAV4 Service Repair Manual

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Page 97 of 2000

TOYOTA RAV4 2006 Service Repair Manual ENGINE - 2GR-FE ENGINEEG-101
ENGINE CONTROL SYSTEM
1. General
The engine control system of the 2GR-FE engine has the following features.
System
Outline
SFI
(Sequential Multiport
Fuel Injection)
[S

ENGINE - 2GR-FE ENGINEEG-101
ENGINE CONTROL SYSTEM
1. General
The engine control system of the 2GR-FE engine has the following features.
System
Outline
SFI
(Sequential Multiport
Fuel Injection)
[See page EG-117]
An L-type SFI system detects the intake air mass with a hot-wire type air
flow meter.
ESA
(Electronic Spark
Advance)
Ignition timing is determined by the ECM based on signals from various
sensors. The ECM corrects ignition timing in response to engine
knocking.
This system selects the optimal ignition timing in accordance with the
signals received from the sensors and sends the (IGT) ignition signal to
the igniter.
ETCS-i
(Electronic Throttle
Control
System-intelligent)
[See page EG-118]
Optimally controls the throttle valve opening in accordance with the amount
of accelerator pedal effort and the condition of the engine and the vehicle.
Dual VVT-i
(Variable Valve
Timing-intelligent)
System
[See page EG-120]
Controls the intake and exhaust camshafts to an optimal valve timing in
accordance with the engine condition.
ACIS
(Acoustic Control
Induction System)
[See page EG-126]The intake air passages are switched according to the engine speed and
throttle valve opening angle to provided high performance in all speed
ranges.
Air Intake Control
System
[See page EG-128]The intake air duct is divided into two areas, and the ECM controls the air
intake control valve and the actuator that are provided in one of the areas to
reduce the amount of engine noise.
Fuel Pump Control
[See page EG-53 in
2AZ-FE section]Fuel pump operation is controlled by signals from the ECM.
The fuel pump is stopped, when the SRS airbag is deployed in a frontal,
side, and rear side collision.
Air Conditioning Cut-off
ControlBy turning the air conditioning compressor ON or OFF in accordance with
the engine condition, drivability is maintained.
Charging Control
[See page EG-65 in
2AZ-FE section]The engine ECU regulates the charging voltage of the generator in
accordance with the driving conditions and the charging state of the battery.
Cooling Fan Control
[See page EG-129]
The cooling fan ECU steplessly controls the speed of the fans in accordance
with the engine coolant temperature, vehicle speed, engine speed, and air
conditioning operating conditions. As a result, the cooling performance is
improved.
(Continued)

Page 98 of 2000

TOYOTA RAV4 2006 Service Repair Manual ENGINE - 2GR-FE ENGINE EG-102
System
Outline
Air-fuel Ratio Sensor and
Oxygen Sensor Heater
ControlMaintains the temperature of the air-fuel ratio sensor or oxygen sensor at an
appropriate level

Page 99 of 2000

TOYOTA RAV4 2006 Service Repair Manual ENGINE - 2GR-FE ENGINE
01MEG07Y
SENSORSACTUATORS
MASS AIR FLOW METER
INTAKE AIR TEMPERATURE
SENSOR
CRANKSHAFT POSITION
SENSOR
ENGINE COOLANT
TEMPERATURE SENSOR
ACCELERATOR PEDAL
POSITION SENSOR
THR

Page 100 of 2000

TOYOTA RAV4 2006 Service Repair Manual ENGINE - 2GR-FE ENGINE
01MEG06Y
COMBINATION METER
Vehicle Speed Signal
AIR-FUEL RATIO SENSOR
Bank 1, Sensor 1
Bank 2, Sensor 1
HEATED OXYGEN SENSOR
Bank 1, Sensor 2
Bank 2, Sensor 2
CANISTER PUMP M

Page 101 of 2000

TOYOTA RAV4 2006 Service Repair Manual ENGINE - 2GR-FE ENGINE
01MEG08Y
DEFOGGER RELAY
TA I L L A M P R E L AY
STOP LIGHT SWITCH
CRUISE CONTROL SWITCH
AIR CONDITIONING ECU
AIRBAG SENSOR
ASSEMBLY
SKID CONTROL ECU
DLC3
MAIN RELAY
BATTE

Page 102 of 2000

TOYOTA RAV4 2006 Service Repair Manual ENGINE - 2GR-FE ENGINE
01MEG29Y
Ignition SwitchCombination Meter
Vehicle Speed Signal
MIL
Battery Current Sensor
(Built-in Battery
Temperature Sensor)
Park / Neutral
Position Switch
Battery
Generat

Page 103 of 2000

TOYOTA RAV4 2006 Service Repair Manual ENGINE - 2GR-FE ENGINE
01MEG24Y
01MEG25Y
01MEG26Y
Heated Oxygen Sensor
(Bank 2, Sensor2)
Battery Current Sensor
(Built-in Battery Temperature Sensor)ECMHeated Oxygen Sensor
(Bank 1, Sensor 2)Canist

Page 104 of 2000

TOYOTA RAV4 2006 Service Repair Manual ENGINE - 2GR-FE ENGINE
01MEG27Y
01MEG28Y
Intake Camshaft Timing Oil Control Valve (Bank 2)
Ignition Coil with Igniter
Injector
Intake VVT Sensor
(Bank 2)
Exhaust Camshaft
Timing Oil Control
Valve (

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