ENGINE UNIT


  1. OUTLINE


    1. The 1AD-FTV TOYOTA Direct injection 4 stroke common-rail Diesel engine (D-4D) is an in-line 4-cylinder, 2.0-liter, 16-valve DOHC turbocharged diesel engine with intercooler.

    2. This engine uses a direct injection system and common-rail system to achieve higher performance, clean emissions, low noise and low vibrations.

  2. SPECIFICATION

    No. of Cyls. and Arrangement 4-cylinder, In-line
    Valve Mechanism 16-valve DOHC, Chain and Gear Drive
    Combustion Chamber Direct Injection Type
    Manifolds Cross-flow
    Fuel System Common-rail Type
    Displacement

    1998 cm3(121.9 cu. in.)
    Bore x Stroke 86.0 mm x 86.0 mm (3.39 in. x 3.39 in.)
    Compression Ratio 15.8 : 1
    Max. Output [EEC] 91 kW @ 3600 rpm
    Max. Torque [EEC] 310 N*m @ 1600 to 2400 rpm
    Valve Timing Intake Open 2° BTDC
    Closed 31° ABDC
    Exhaust Open 51° BBDC
    Closed 2° ATDC
    Firing Order 1 - 3 - 4 - 2
    Fuel Cetane Number 48 or higher
    Emission Regulation EURO 5
    Engine Service Mass (Reference)* 187.5 kg (413.4 lb)

    Tech Tips

    *: Weight shows the figure with oil and engine coolant fully filled.

    A00YYD3E03

  3. MAIN FEATURES


    1. The following performance features have been achieved for the 1AD-FTV engine through the use of the items listed below:


      1. High performance and reliability

      2. Low noise and vibration

      3. Lightweight and compact design

      4. Good serviceability

      5. Clean emissions and fuel economy

        Item (1) (2) (3) (4) (5)
        Engine Proper A cylinder head sub-assembly and cylinder block sub-assembly made of aluminum alloy are used. - - ○ - -
        A piston provided with combustion chamber is used in conjunction with the use of direct injection. ○ - - - ○
        A crank bearing with improved wear resistance is used. ○ ○ - - -
        Valve Mechanism A valve lash adjuster assembly is used. ○ ○ - ○ -
        A timing chain and a No. 1 chain tensioner assembly are used. - ○ ○ ○ -
        A timing chain with low friction is used. - - - - ○
        A valve rocker arm sub-assembly is used. ○ - - - ○
        Lubrication System An oil filter with a replaceable element is used. - - - ○ -
        A water-cooled type oil cooler assembly is used. ○ - - - -
        A 2-chamber structure oil pan is used. - - - - ○

        A 2-stage hydraulic system is used. For details on the hydraulic control, see the Lubrication section.

        [LUBRICATION SYSTEM > HYDRAULIC CONTROL Click here ]

        		 - - - - ○
        Cooling System Toyota Genuine Super Long Life Coolant (SLLC) is used. - - - ○ -
        Intake and Exhaust System

        A DC motor type diesel throttle control motor is used in the diesel throttle body. For details on the throttle body, see the Intake/Exhaust section.

        [INTAKE SYSTEM > THROTTLE BODY Click here ]

        		 - - - - ○

        A DC motor type EGR valve is used. For details on the EGR valve, see the Emission Control section.

        [EMISSION CONTROL SYSTEM > EGR VALVE Click here ]

        		 - - - - ○

        A water-cooled type EGR cooler that has a bypass is used. For details on the EGR cooler, see the Emission Control section.

        [EMISSION CONTROL SYSTEM > EGR COOLER Click here ]

        		 - - - - ○

        A variable nozzle vane type turbocharger sub-assembly driven by a DC motor is used. For details on the turbocharger, see the Intake/Exhaust section.

        [INTAKE SYSTEM > TURBOCHARGER Click here ]

        		 ○ - - - ○

        The exhaust manifold converter uses an oxidation catalyst and Diesel Particulate Filter (DPF) catalyst. For details on the catalyst converter, see the Emission Control section.

        [EMISSION CONTROL SYSTEM > CATALYTIC CONVERTER Click here ]

        		 - - - - ○
        Fuel System

        A common-rail type fuel injection system is used. For details on the common-rail system, see the Fuel section.

        [FUEL SYSTEM > COMMON-RAIL SYSTEM Click here ]

        		 ○ ○ - - ○

        A piezo type injector assembly on which a compensation value and Quick Response (QR) code are printed is used. For details on the fuel injector, see the Fuel section.

        [FUEL SYSTEM > FUEL INJECTOR Click here ]

        		 ○ ○ - - ○

        An exhaust fuel addition injector assembly is used. For details on the exhaust fuel addition injector, see the Emission Control section.

        [EMISSION CONTROL SYSTEM > EXHAUST FUEL ADDITION INJECTOR Click here ]

        		 - - - - ○
        Serpentine Belt Drive System A serpentine belt drive system is used. - - ○ ○ -
        Engine Control A pilot injection control system is used. ○ ○ - - ○
        An oil maintenance management system is used. - - - ○ -

        A catalyst support control is used. For details on the catalyst support control, see the Emission Control section.

        [EMISSION CONTROL SYSTEM > CATALYST SUPPORT CONTROL Click here ]

        		 - - - - ○
        A vacuum pump with low friction is used. - - - - ○
        A 7 V ceramic glow plug assembly and glow plug controller are used. ○ - - - ○

        Tech Tips

        ○: Applicable

        -: Not applicable