ECD SYSTEM GENERAL


  1. OUTLINE


    1. The engine control system of the 2KD-FTV engine has the following systems.

      System
      Fuel Injection Volume Control
      Fuel Injection Timing Control
      Fuel Pressure Control
      Pilot Injection Control
      Idle Speed Control
      Glow Plug Control
      EGR Control
      Intake Restrictor Control
      Exhaust Gas Control System
      Oil Maintenance Management System
      Diagnosis
      Fail-safe

  2. MAJOR DIFFERENCE


    1. From 1KD-FTV engine on Land Cruiser/Land Cruiser Prado


      1. The 32-bit CPU of the engine ECU has been adopted.

      2. EGR valve position sensor has been adopted.

      3. Oil maintenance management system has been provided.

      4. The DTCs listed below have been added or discontinued.

        DTC No. Detection Item Added Discontinued
        31 Turbo Pressure Sensor Circuit Malfunction ○ -
        33 Exhaust Gas Control System Malfunction ○ -
        39 Fuel Temp. Sensor Circuit Malfunction ○ -
        78 Fuel Pump Circuit Malfunction (Pressure Discharge Valve Malfunction) ○ -
        96 EGR Valve Position Sensor Circuit Malfunction ○ -
        34 Step Motor for Turbocharger Control Circuit Malfunction - ○
        34 Turbocharger System Malfunction - ○
        34 Turbocharger Stick Detected (Close) - ○
        34 Turbocharger Stick Detected (Open) - ○
        35 Turbo Pressure Sensor Malfunction - ○

        Tech Tips

        The length of time to clear the DTC via the battery terminal has been changed from the previous 10 seconds to 1 minute.