This invention relates to a method and apparatus for output current control. A base station transmits a control signal including a common traffic ciphered key having a specified validation period through a dedicated secure signal channel assigned to a respective authorized subscriber terminal. The shielding member is enclosing on the plug housing to form a cavity, the cavity is stacked on the receiving space. The use of internal noise gain resistors produces a voltage offset component of the output voltage that is significantly greater in magnitude than effects of thermocouple voltages generated by circuit junction connections. The method also includes installation of a waste gate and waste gate adaptor and a timing mask. The ECU feedback-controls the injection timing so that the ignition timing coincides with target timing in another operation range, in which the cylinder pressure maximum value increases as the ignition timing advances but the torque decreases as the ignition timing advances.