COOLING FAN SYSTEM > PROBLEM SYMPTOMS TABLE |
| Symptom | Suspected Area | See page |
| Cooling fans do not operate (main and sub fans) | Cooling fan circuit |
Click here
|
| FAN No. 3 relay |
Click here
| |
| Cooling fan motor |
Click here
| |
| No. 2 cooling fan motor |
Click here
| |
| Air conditioning system |
Click here
| |
| ECM |
Click here
| |
| Cooling fan does not operate (main fan) | Engine coolant temperature sensor |
Click here
|
| Cooling fan circuit |
Click here
| |
| FAN No. 1 relay |
Click here
| |
| FAN No. 2 relay |
Click here
| |
| Cooling fan motor |
Click here
| |
| ECM |
Click here
| |
| Cooling fan does not operate (sub fan) | Cooling fan circuit |
Click here
|
| No. 2 cooling fan motor |
Click here
| |
| Air conditioning system |
Click here
| |
| ECM |
Click here
| |
| Cooling fans do not stop (main and sub fans) | Cooling fan circuit |
Click here
|
| Air conditioning system |
Click here
| |
| FAN No. 3 relay |
Click here
| |
| ECM |
Click here
| |
| Cooling fan does not stop (main fan) | Engine coolant temperature sensor |
Click here
|
| Cooling fan circuit |
Click here
| |
| FAN No. 1 relay |
Click here
| |
| ECM |
Click here
| |
| Cooling fans do not change speed (main and sub fans) | Engine coolant temperature sensor |
Click here
|
| Cooling fan circuit |
Click here
| |
| FAN No. 2 relay |
Click here
| |
| ECM |
Click here
|