Layout of Main Components

VSV (for Purge VSV)

Mass Air Flow Meter

ECM

Ignition Coil with Igniter

Stop Light Switch

Accelerator Pedal Position Sensor

Camshaft Timing Oil Control Valve

Fuel Pump

Combination Meter ► Malfunction Indicator Lamp

Fuel Pump

Stop Light Switch

Accelerator Pedal Position Sensor

DLC3

Camshaft Timing Oil Control Valve

Injector Throttle Position Sensor

Crankshaft Position Sens

Ignition Coil with Igniter

Camshaft Timing Oil Control Valve

2004 4runner Engine Coolant Temperature

Camshaft

Position

Sensor

Engine Coolant Temp. Sensor

Air Fuel Ratio Sensor (Bank i, Sensor i)

Knock Sensor

Heated Oxygen Sensor (Bank 1, Sensor 2)

Injector Throttle Position Sensor

Camshaft

Position

Sensor

Air Fuel Ratio Sensor (Bank i, Sensor i)

Knock Sensor

Engine Coolant Temp. Sensor

Heated Oxygen Sensor (Bank 1, Sensor 2)

Injector Throttle Position Sensor

Camshaft

Position

Sensor

Intake

Manifold

Runner

Valve

Assembly

Engine Coolant Temp. Sensor

Ignition Coil with Igniter

Crankshaft Position Sensor

Air Fuel Ratio Sensor (Bank i, Sensor i)

Heated Oxygen Sensor (Bank i, Sensor 2)

Ignition Coil with Igniter

Crankshaft Position Sensor

Air Fuel Ratio Sensor (Bank i, Sensor i)

DLC3

Camshaft Timing Oil Control Valve

Injector Throttle Position Sensor

Camshaft

Position

Sensor

Intake

Manifold

Runner

Valve

Assembly

Engine Coolant Temp. Sensor

Heated Oxygen Sensor (Bank i, Sensor 2)

Except California Package Model

California Package Model

025EG12Y

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