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SiBE12-933_A
Check
Service Diagnosis
215
5.1.4 Thermistor Resistance Check
Check No.06
Remove the connectors of the thermistors on the PCB, and measure the resistance of each
thermistor using tester.
The relationship between normal temperature and resistance is shown in the graph and the
table below.
Thermistor temperature (°C)
Resistance (k
Ω
)
–20
211.0
–15
150.0
–10
116.5
–5
88.0
0
67.2
5
51.9
10
40.0
15
31.8
20
25.0
25
20.0
30
16.0
35
13.0
40
10.6
45
8.7
50
7.2
(R25°C = 20 k
Ω
,
B = 3950 K)
Tester
Resistance range
(k
Ω
)
150
100
50
-15
0
15
30
45
(°C)