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Home >> Lexus >> 1992 >> SC 400 >> Repair and Diagnosis >> Engine Mechanical >> Engine Cooling Fan >> Component Testing >> Coolant Temperature Sensor (SC400)
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Coolant Temperature Sensor (SC400)

  1. Remove coolant temperature sensor from lower left side of radiator.
  2. Heat temperature switch in water to approximately 176°F (80°C). Using an ohmmeter, measure resistance between terminals. Resistance should be 1480-1580 ohms. Replace sensor if resistance is not as specified.
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