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Home >> Lexus >> 1996 >> GS 300 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Miscellaneous Controls >> Cooling Fan System
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Cooling Fan System

NOTE: Use the following procedure to check operation of cooling fan system. For all other cooling fan testing, see the ENGINE COOLING FAN article.
  1. Ensure coolant temperature is less than 196°F (91°C). Turn ignition on. If cooling fan does not come on, go to next step. If cooling fan comes on, check for faulty cooling fan system components or wiring. See ENGINE COOLING FAN article.
  2. Ensure coolant temperature is greater than 212°F (100°C). If cooling fan comes on, system is okay. If cooling fan does not come on, check for faulty cooling fan system components or wiring. See the ENGINE COOLING FAN article.
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