Division 5.2.1 F1

For the purpose of in-service testing, the calculated load (engine torque as a percentage of maximum torque and the maximum torque available at the current engine speed), the engine speed, the engine coolant temperature, the instantaneous fuel consumption, and the reference maximum engine torque as a function of engine speed shall be made available by the ECU in real time and at a frequency of at least 1 Hz, as mandatory data stream information.