order to prevent evaporator freezing by excessive cooling
Heating,Ventilation, Air Conditioning > Air Conditioning System > Evaporator Temperature
Sensor > Repair procedures
Inspection
1. Ignition "OFF".
2. Remove the evaporator temperature sensor after disconnecting the connector.
3. Using the multi-tester, measure resistance between terminal "+" and "-" of evaporator temperature sensor.
Specification
Evaporator core
temperature[°C(°F)]
Resistance[k
Ω
]
Voltage[V]
-20 (-4)
13.59
2.88
-10 (14)
6.273
1.927
0 (32)
3.129
1.192
10 (50)
1.668
0.715
20 (68)
0.942
0.431
30 (86)
0.56
0.265
40 (104)
0.347
0.168
50 (122)
0.224
0.11
Replacement
1. Disconnect the negative (-) battery terminal.
2. Disconnect the evaporator temperature sensor connector.
3. Remove the evaporator temperature sensor (A), by pulling it after rotating 90° in a counterclockwise direction.
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3/12/2012 8:27 PM