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4. Possible failures
Float falling off;
Poor contact between contact piece and thick film circuit board;
The stent was broken;
The circuit board is damaged;
The outgoing line falls off.
Water temperature sensor
1. Outline drawing
2. Working principle
Water temperature sensor: after the engine starts, the temperature in the water tank
rises, and the resistance value of the water temperature sensor reaches the set value. At
this time, LCE receives the signal, processes it and sends it to the instrument, which
displays the water temperature scale to remind the driver.
3. Corresponding relationship between instrument display scale and resistance value of
water temperature sensor
Temperature (℃)
45
50
54
60
80*
90
100
108
Standard resistance（ Ω）
265.0~323.0
216.0~264.0
185.0~229.0
148.5~180.5
74.6~90.6
53.5~66.5
40.6~48.6
34.0~38.0
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