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Home >> Lexus >> 1996 >> LS 400 >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Miscellaneous Controls >> Cooling Fan System >> High Coolant Temperature
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High Coolant Temperature

Ensure coolant temperature is greater than 199°F (93°C). Start engine. If cooling fans come on at high speed, system is okay. If cooling fans do not come on at high speed, check for faulty cooling fan system components or wiring. See ELECTRIC COOLING FANS article.