2. Sensor resistance characteristics table
u Resistance value allowance of sensor is ±5%.
u In measuring resistance value allowance of sensor, perform measuring after leaving the sensor for more than 3 minutes at
the measuring temperature (delay is required due to sense speed relation relationship).
u Since an analog tester has a large measuring temperature, measuring with a digital tester is required as possible as.
u Resistance of the cold storage sensor 1 and 2 shall be measu
red with a digital tester after separating CON8 of the PWB
ASSY and the MAIN part.
u Resistance of the freezing sensor shall be measured with a
digital tester after separating CON7 of the PWB ASSY and
the MAIN part.
EXPLATION FOR MICOM CIRCUIT
- 29 -
Measuring Temperature (°C) Freezing Sensor
Cold storage sensor 1, 2.
Frost removal sensor, Outside sensor
-20 °C 22.3 k 77 k
-15 °C 16.9 k 60 k
-15 °C 13.0 k 47.3 k
-5 °C 10.1 k 38.4 k
0 °C 7.8 k 30 k
+5 °C 6.2 k 24.1 k
+10 °C 4.9 k 19.5 k
+15 °C 3.9 k 15.9 k
+20 °C 3.1 k 13 k
+25 °C 2.5 k 11 k
+30 °C 2.0 k 8.9 k
+40 °C 1.4 k 6.2 k
+50 °C 0.8 k 4.3 k
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