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Home >> Nissan-Datsun >> 1994 >> Sentra SE-R, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Miscellaneous Controls >> Radiator Cooling Fans >> Radiator (Cooling) Fan Control Test (1.6L A/T With A/C)
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Radiator (Cooling) Fan Control Test (1.6L A/T With A/C)

  1. Start engine and warm to operating temperature. Set temperature lever to full cold. Turn A/C switch on. Turn fan switch on. Run engine at idle with A/C on for several minutes. Ensure radiator fan operates at low speed. If radiator fan does not operate at low speed, go to RADIATOR (COOLING) FAN LOW SPEED CONTROL TEST (1.6L A/T). If radiator fan operates at low speed, go to next step.
  2. Turn A/C and fan switches off. Turn ignition off. Disconnect radiator fan relay No. 1. Start engine and idle until engine temperature is above 221°F (105°C). Ensure radiator fan operates at high speed. If radiator fan does not operate at high speed, see RADIATOR (COOLING) FAN HIGH SPEED CONTROL TEST (1.6L A/T). If radiator fan operates at high speed, system is functioning properly.
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