Measuring points on the engine
- temperatures: T2 oil,  T3 engine cooling water inlet,  T4 engine cooling water

  outlet,  T5 fuel, T6 exhaust gas
- F cooling water flow rate, B fuel consumption
Sensors in CT 400: T torque,  n speed,  T1 air temperature,  V_L air quantity
Arrows: red - exhaust gas,  blue - fuel,  green - air
In conjunction with CT 400.09 + CT 400.16: pi indicated pressure