Radiator Cooling Fans
WARNING: This page is about a different car, the 1996 Nissan Sentra. However, it is still accessible from the selected car via links, so may be relevant.
The ECM controls radiator cooling fan(s) based on vehicle speed, engine coolant temperature and A/C switch position. The following tables list correct cooling fan operation based on certain conditions. See appropriate A/C SWITCH ON or A/C SWITCH OFF table. If cooling fan does not operate as specified, see appropriate RADIATOR (COOLING) FAN CONTROL TEST.
A/C SWITCH ON
| Engine Coolant Temp. °F (°C) | Vehicle Speed MPH | Radiator Fan |
|---|---|---|
| Less Than 203 (95) | 50 Or More | Off |
| " | 49 Or Less | On |
| 203 (95) Or More | All Speeds | On |
A/C SWITCH OFF
| Engine Coolant Temp. °F (°C) | Vehicle Speed MPH | Radiator Fan |
|---|---|---|
| Less Than 195 (90) | All Speeds | Off |
| 196-202 (91-94) | 12 Or More | Off |
| " | 11 Or Less | On |
| 203-212 (95-100) | 50 Or More | Off |
| " | 49 Or Less | On |
| Greater Than 212 (100) | All Speeds | On |