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  2. 2009–2011 Toyota vehicle recalls - Wikipedia

    en.wikipedia.org/wiki/2009–2011_Toyota_vehicle...

    Analysis of alleged Toyota acceleration reports in The Atlantic and other sources have found the highest distribution of involved drivers between 70 and 80 years old, with the average age skewing over 55; [225] [230] with elderly susceptibility to "neuronal misfiring" and pedal misapplication as a possible cause. [225]

  3. Engine control unit - Wikipedia

    en.wikipedia.org/wiki/Engine_control_unit

    Delco ECU used in General Motors vehicles built in 1996. An engine control unit (ECU), also called an engine control module (ECM), [1] is a device that controls various subsystems of an internal combustion engine. Systems commonly controlled by an ECU include the fuel injection and ignition systems.

  4. Sudden unintended acceleration - Wikipedia

    en.wikipedia.org/wiki/Sudden_unintended_acceleration

    These tin finishes can produce conductive tin whiskers capable of creating unintended electrical failures such as short circuits. The use of tin finish in Toyota's APPS is therefore a cause for concern. [15] Similarly in 2013, materials used in an automotive engine control unit (ECU) from a 2008 Toyota Tundra truck were analyzed.

  5. Acoustic Control Induction System - Wikipedia

    en.wikipedia.org/wiki/Acoustic_Control_Induction...

    The ACIS/TVIS System. Acoustic Control Induction System, or ACIS, is an implementation of a variable-length intake manifold system designed by Toyota.. Simply put, the ACIS system uses a single intake air control valve located in the intake to vary the length of the intake tract in order to optimize power and torque, as well as provide better fuel efficiency and reduce intake "roar".

  6. OBD-II PIDs - Wikipedia

    en.wikipedia.org/wiki/OBD-II_PIDs

    The vehicle responds to the PID query on the CAN bus with message IDs that depend on which module responded. Typically the engine or main ECU responds at ID 7E8h. Other modules, like the hybrid controller or battery controller in a Prius, respond at 07E9h, 07EAh, 07EBh, etc. These are 8h higher than the physical address the module responds to.

  7. T-VIS - Wikipedia

    en.wikipedia.org/wiki/T-VIS

    Toyota Variable Induction System, or T-VIS, is a variable intake system designed by Toyota to improve the low-end performance of multi-valve engines. [1]T-VIS is intended to improve the low-end torque of high-performance, four-stroke internal combustion engines - by changing the geometry of the intake manifold according to the engine rotation speed.

  8. Immobiliser - Wikipedia

    en.wikipedia.org/wiki/Immobiliser

    Early models used a static code in the ignition key (or key fob) which was recognised by an RFID loop ( transponder) around the lock barrel and checked against the vehicle's engine control unit (ECU) for a match. If the code is unrecognised, the ECU will not allow fuel to flow and ignition to take place. Later models use rolling codes or ...

  9. Electronic control unit - Wikipedia

    en.wikipedia.org/wiki/Electronic_control_unit

    An ECU from a Geo Storm. An electronic control unit (ECU), also known as an electronic control module (ECM), is an embedded system in automotive electronics that controls one or more of the electrical systems or subsystems in a car or other motor vehicle.