Toyota 3S-GE Repair Manual page 345

EG-331
_ ENGINE — COOLING SYSTEM
. Above 93°C
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CHECK COOLING FAN OPERATION WITH HIGH
TEMPERATURE (Above 93°C (199°F))
Start the engine, and raise coolant temperature to
above 93°C (199°F).
Check that the cooling fan rotates.
If not, replace the water temperature switch.