ENGINE UNIT GENERAL

  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.

    3. This engine has 2 types; one type (models with DPF catalyst) uses both the Diesel Particulate Filter (DPF) catalyst and oxidation catalyst, and the other type (models without DPF catalyst) uses the oxidation catalyst only.

  2. SPECIFICATION

    Model w/o DPF Catalyst w/ DPF Catalyst
    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] 93 kW @ 3600 rpm ←
    Max. Torque [EEC] 310 N*m @ 1800 - 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 IV EURO V
    Engine Service Mass* (Reference) 147 kg (324 lb) 152 kg (335 lb)

    Tech Tips

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

    A005WO1E01

  3. MAIN FEATURES

    1. The 1AD-FTV engine has achieved the following performance features 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 emission and fuel economy

        Item (1) (2) (3) (4) (5) w/o DPF Catalyst w/ DPF Catalyst
        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. ○ - - - ○ ○ ○
        Valve Mechanism A valve lash adjuster assembly is used. ○ ○ - ○ - ○ ○
        A chain sub-assembly (timing chain) and a No. 1 chain tensioner assembly are 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. ○ - - - - ○ ○
        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. - - - - ○ ○ ○
        A DC motor type EGR valve is used. - - - - ○ ○ ○
        A water-cooled type EGR cooler that has a bypass is used. - - - - ○ ○ ○
        A variable nozzle vane type turbocharger sub-assembly is used. ○ - - - ○ ○ ○
        The exhaust manifold converter uses oxidation catalyst and DPF catalyst. - - - - ○ - ○
        Fuel System A common-rail type fuel injection system is used. ○ ○ - - ○ ○ ○
        Piezo type injector on which a compensation value and Quick Response (QR) code are printed are used. ○ ○ - - ○ ○ ○
        An exhaust fuel addition injector is used. - - - - ○ - ○
        Serpentine Belt Drive System A serpentine belt drive system is used. - - ○ ○ - ○ ○
        Engine Control System A pilot injection control system is used. ○ ○ - - ○ ○ ○
        An oil maintenance management system is used. - - - ○ - ○ ○
        A catalyst support control is used. - - - - ○ - ○