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Home >> Lexus >> 1991 >> ES 250 Standard >> Repair and Diagnosis >> Engine Mechanical >> Engine Cooling Fan >> Component Testing >> Coolant Temperature Sensor
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Coolant Temperature Sensor

Using an ohmmeter, measure resistance between terminals. See COOLANT TEMPERATURE SENSOR RESISTANCE  table.

COOLANT TEMPERATURE SENSOR RESISTANCE

Temperature Ohms
176°F (80°C) 1530
194°F (90°C) 1118
203°F (95°C) 1003