1NZ-FE / 2NZ-FE Engine Engine Overall Engine Proper Valve mechanism Cooling System Intake and Exhaust System Fuel System Ignition System Engine Control System

1NZ-FE / 2NZ-FE Engine Engine Overall -T -M 1NZ-FE / 2NZ-FE Engine Engine Overall 4-cylinder, 16-valve, DOHC, Chain drive with VVT-i engines, Tier 1 (Taiwan model), Euro STEP III (Thailand and Philippines)

1NZ-FE / 2NZ-FE Engine Engine Overall Engine Specification -R -T -M No. of Cylinders and Arrangement 4-cylinder, In-line  Valve Mechanism 16-valve, DOHC, Chain Drive Displacement [cm3 (cu. in.)] 1497 (91.3) 1299 (79.3) Bore x Stroke [mm (in.)] 75.0 x 84.7 (2.95 x 3.33) 75.0 x 73.5 (2.95 x 2.89) Compression Ratio 10.5 : 1 Maximum Output [kW / rpm] 80 / 6,000 63 / 6,000 Maximum Torque [N·m / rpm] 142 / 4,200 122 / 4,400 Valve Timing Intake Open -7  33 BTDC Close 52  12 ABDC Exhaust 42 BBDC 34 BBDC 2 ATDC Research Octane Number (RON) -R: 92 or more, -T,-M: 91 or more Oil Viscosity 5W-30 Oil Grade API SL-EC or ILSAC GF-3

1NZ-FE / 2NZ-FE Engine Engine Proper Offset Crankshaft -M 1NZ-FE / 2NZ-FE Engine Engine Proper Offset Crankshaft The side force when the maximum pressure is applied has been reduced and fuel economy has been improved Crankshaft Center Bore Center Offset 12 mm

1NZ-FE / 2NZ-FE Engine Engine Proper Piston -M 1NZ-FE / 2NZ-FE Engine Engine Proper Piston The top of the piston is used a taper squish shape to improve combustion performance Taper Squish Shape

Disconnect the Adjusting Shim -R -T -M 1NZ-FE / 2NZ-FE Engine Valve Mechanism Overall A roller timing chain is used to achieve maintenance free Disconnect the Adjusting Shim Timing Chain VVT-i Controller Chain Tensioner

Aluminum Radiator Core 1NZ-FE / 2NZ-FE Engine Cooling System Radiator and Cooling Fan An aluminum radiator core and fan shroud integration type reservoir tank are used for weight reduction Aluminum Radiator Core Reservoir Tank Cooling Fan

1NZ-FE / 2NZ-FE Engine Intake and Exhaust System Air Cleaner A frameless, full-fablic air cleaner element is used to reduce weight reduction and to simplify its disposal

Heated Oxygen Sensor (Except Taiwan) -M 1NZ-FE / 2NZ-FE Engine Intake and Exhaust System Exhaust Pipe Stainless exhaust pipe is used for weight reduction Dual pipe construction TWC Sub Muffler Main Muffler Exhaust pipe: 1NZ-FE and 2NZ-FE engines used same exhaust pipe (Common parts) Stainless is used for pipe and muffler TWC capacity: 11R Ball Joint Heated Oxygen Sensor Heated Oxygen Sensor (Except Taiwan)

1NZ-FE / 2NZ-FE Engine Intake and Exhaust System -R -T -M 1NZ-FE / 2NZ-FE Engine Intake and Exhaust System TWC (Three-way Catalytic Converter) Ultra thin wall, high-cell type TWC has been adopted. Thus it improves exhaust emission Wall Thickness 0.075 mm Cell Pitch 1.27 mm Volume [cm3 (in.)] 1083 (66.1) Cell Density [cells/cm2 (cells/in2)] 62 (400) Wall Thickness [mm (in)] 0.075 (0.0030)

[Module Type Fuel Pump] -R -T -M 1NZ-FE / 2NZ-FE Engine Fuel System Fuel Pump A compact fuel pump in which a fuel filter and pressure regulator are integrated in the module fuel pump assembly is used [Module Type Fuel Pump] Fuel Cutoff Valve Fuel Pump Fuel Filter Pressure Regulator Pressure Regulator Sender Gauge Fuel Pump

1NZ-FE / 2NZ-FE Engine Fuel System Fuel Returnless System This system helps prevent the internal temperature of the fuel tank from rising, and reduces evaporative emissions Injector Delivery Pipe Pulsation Dumper Fuel Filter Fuel Cutoff Valve Pressure Regulator : Only the quantity required of fuel is supplied [Fuel Tank] : The fuel of a surplus quantity is returned Fuel Pump

1NZ-FE / 2NZ-FE Engine Fuel System Injector Compact 12-hole type injector is used to improve the atomization of fuel 12 Holes

1NZ-FE / 2NZ-FE Engine Ignition System DIS (Direct Ignition System) Ignition coil integrated with the igniter

Every 20,000 km or every 24 months???? 1NZ-FE / 2NZ-FE Engine Ignition System Spark Plug A compact with resister type is used Engine 1NZ-FE 2NZ-FE DENSO K16R-U K16R-U11 NGK BKR5EYA BKR5EYA11 Plug Gap 1.0-1.1 mm (0.039-0.043 in.) Maintenance Pitch Every 20,000 km or every 24 months???? 

1NZ-FE / 2NZ-FE Engine Engine Control System The Maine Components of Engine Control System Destination Taiwan Thailand and Philippines Engine 1NZ-FE 2NZ-FE CPU 32 bit  Emission Tier 1 Euro STEP III Mass Air Flow Meter Hot-wire Type Crankshaft Position Sensor (Rotor Teeth) Pick-up Coil Type (36-2) Camshaft Position Sensor (Rotor Teeth) Pick-up Coil Type (3) Throttle Position Sensor Linear Type Knock Sensor Piezoelectric Element Type Oxygen Sensor Oxygen Sensor x 1 Heated Oxygen Sensor x2 Injector 12-hole Type (Independent Injection) Ignition S-TDI IAC Valve Rotary Solenoid Type

Throttle Position Sensor -M 1NZ-FE / 2NZ-FE Engine Engine Control System VVT-i (Variable Valve Timing-intelligent) System The VVT-i system is designed to control the intake camshaft to provide a valve timing that is optimally suited to the engine condition VVT-i Controller Camshaft Position Sensor Throttle Position Sensor Camshaft Timing Oil Control Valve Engine ECU Water Temp. Sensor Crankshaft Position Sensor Air Flow Meter

1NZ-FE / 2NZ-FE Engine Engine Control System VVT-i System In proportion of the following signal, the engine ECU calculates an optimal valve timing [Engine ECU] Crankshaft Position Sensor Target Valve Timing Camshaft Timing Oil Control Valve Air Flow Meter Throttle Position Sensor Duty Control Water Temp. Sensor Correction Vehicle Speed Sensor Feedback Actual Valve Timing Camshaft Position Sensor

1NZ-FE / 2NZ-FE Engine Engine Control System VVT-i System VVT-i operating condition Operation State Valve Timing Effect Idle Stable idle rpm better fuel economy Light Load Ensured engine stability Medium Load Better fuel economy improved emission control Low/Middle speed Heavy Load Improved torque/output High speed Heavy Load Improved output Low Temp. Stable fast idle better fuel economy Starting/Stopping Improved starting IN EX Retard IN EX Advance IN EX IN EX Advance Retard IN EX IN EX IN EX

Vane (Fixed on Intake Camshaft) -R -T -M 1NZ-FE / 2NZ-FE Engine Engine Control System VVT-i System This controller consists of the housing driven from the timing chain and the vane coupled with the intake camshaft [Engine Stop] [Engine Running] Housing Oil Pressure Lock Pin Vane (Fixed on Intake Camshaft)

To VVT-I Controller (Advanced Side) (Retard Side) -M 1NZ-FE / 2NZ-FE Engine Engine Control System VVT-i System The camshaft timing oil control valve controls the spool valve position in accordance with the duty control from the engine ECU To VVT-I Controller (Advanced Side) (Retard Side) Engine ECU Spool Valve Drain Plunger Oil Pressure Coil

-R -T -M 1NZ-FE / 2NZ-FE Engine Engine Control System VVT-i System