19 MAIN MECHANISMS 2UZ-FE ENGINE It is a newly developed engine that places emphasis on the torque in the practical range (low– to medium– speed range) and the acceleration performance that required in an SUV. This V8–cylinder, 4.7–liter gasoline engine is a high–performance engine that has thoroughly satisfied the engine performance, quiet operation, and fuel economy requirements.
Cross Section Drawing Performance Curve 2UZ–FE Engine (New Model) 220 240 (HP) kW 180 1FZ–FE Engine (Previous Model) 160 N·m (ft·lbf) 450 140 160 180 200 140 330 120 400 300 100 Output Torque 350 250 80 100 120 300 210 80 60 60 20 40 40 20 0 0 1000 2000 3000 4000 5000 Engine Speed (rpm) ENGINE IMMOBILISER 155MO40 155MO36 The engine immobiliser system prevents vehicle theft by comparing the ID code that is stored in the ECM against the ID code that is stored in the ignition key and permits ignition and the injection of fuel if the codes match.
System Overview Transponder Key Coil Spark Plugs Ignition Key Cylinder Ignition ECM Fuel Injection Injectors Transponder Chip Transponder Key Amplifier 155MO25 Item New Previous Engine Type 2UZ–FE 1FZ–FE No. of Cyls. & Arrangement 8–Cylinder, V–type 6–Cylinder, In–Line Displacement cm3 (cu in.) 4664 (284.5) 4477 (273.1) Maximum Output kW@rpm (HP@rpm) 172@4800 (230@4800) 158@4600 (212@4600) Maximum Torque N·m@rpm (ft·lbf@rpm) 434@3400 (320@3400) 373@3200 (275@3200)