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Home >> Nissan-Datsun >> 1995 >> 200SX SE-R, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests - 200SX >> Miscellaneous Controls >> Radiator Cooling Fans
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Radiator Cooling Fans

The ECM controls radiator cooling fan(s) based on vehicle speed, engine coolant temp. and A/C switch position. The following tables list correct cooling fan operation based on certain conditions. See A/C SWITCH ON or A/C SWITCH OFF tables. If cooling fan does not operate as specified, see RADIATOR (COOLING) FAN CONTROL TEST  .

A/C SWITCH ON (A/T)

Engine Coolant Temp. °F (°C) Vehicle Speed MPH Radiator Fan
Less Than 202 (94) 50 Or More Off
Less Than 202 (94) 49 Or Less Low
203-212 (95-100) All Speeds Low
212-219 (100-104) 11 Or Less Low
212-219 (100-104) 12 Or More High
Greater Than 220 (105) All Speeds High
A/C SWITCH OFF (A/T)

Engine Coolant Temp. °F (°C) Vehicle Speed MPH Radiator Fan
Less Than 202 (94) All Speeds Off
203-212 (95-100) All Speeds Low
212-219 (100-104) 11 Or Less Low
212-219 (100-104) 12 Or More High
Greater Than 220 (105) All Speeds High
A/C SWITCH ON (M/T)

Engine Coolant Temp. °F (°C) Vehicle Speed MPH Radiator Fan
Less Than 202 (94) 50 Or More Off
Less Than 202 (94) 49 Or Less On
203 (95) Or More All Speeds On
A/C SWITCH OFF (M/T)

Engine Coolant Temp. °F (°C) Vehicle Speed MPH Radiator Fan
Less Than 202 (94) All Speeds Off
203-212 (95-100) 11 Or Less Off
203-212 (95-100) 12 Or More On
Greater Than 212 (100) All Speeds On
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