Purpose
Detection of coolant temperature and signal transmission to the engine control unit.
Accommodation
VN 9.016 1. Pressure sensor in the high-pressure fuel pump (B4/6); 2. Coolant temperature sensor (B11/4)
VN 9.017 1. Coolant temperature sensor B11/4
Design
VN 9.018 Coolant temperature sensor 1.2. Electrical connector contacts 3. Coolant temperature sensor B11/4
Functioning
The resistance of a resistor with a negative temperature coefficient of resistance is inversely proportional to temperature:
(Article borrowed from the web portal: «mercedesman.ru»)
- 20°C corresponds approximately to a resistance of 3087 Ohm ±5%.
- 80°C corresponds approximately to a resistance of 319 Ohms ±5%.