PROBLEM SYMPTOMS TABLE [03/2012 - 07/2012]
HINT
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
| Symptom | Suspected Area | See |
|---|---|---|
| Cooling fans do not operate | Engine coolant temperature sensor | Refer to INSPECTION [03/2012 - ] |
| Cooling fan motor | Refer to ON-VEHICLE INSPECTION [03/2012 - ] | |
| No. 2 Cooling fan motor | Refer to ON-VEHICLE INSPECTION [03/2012 - ] | |
| Cooling fan relay (RDI FAN No. 1) | Refer to ON-VEHICLE INSPECTION [03/2012 - ] | |
| Cooling fan circuit | Refer to Cooling Fan Circuit | |
| ECM | Refer to REMOVAL [03/2012 - 07/2012] | |
| Cooling fans do not stop (continue to operate) | Engine coolant temperature sensor | Refer to INSPECTION [03/2012 - ] |
| Cooling fan circuit | Refer to Cooling Fan Circuit | |
| Cooling fan ECU | Refer to ON-VEHICLE INSPECTION [03/2012 - ] | |
| ECM | Refer to REMOVAL [03/2012 - 07/2012] | |
| Cooling fan speed does not change | Cooling fan circuit | Refer to Cooling Fan Circuit |
| ECM | Refer to REMOVAL [03/2012 - 07/2012] |
COOLING FAN SYSTEM
PROBLEM SYMPTOMS TABLE [07/2012 - ]
HINT
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
| Symptom | Suspected Area | See |
|---|---|---|
| Cooling fans do not operate | Engine coolant temperature sensor | Refer to INSPECTION [03/2012 - ] |
| Cooling fan motor | Refer to ON-VEHICLE INSPECTION [03/2012 - ] | |
| No. 2 Cooling fan motor | Refer to ON-VEHICLE INSPECTION [03/2012 - ] | |
| Cooling fan relay (RDI FAN No. 1) | Refer to ON-VEHICLE INSPECTION [03/2012 - ] | |
| Cooling fan circuit | Refer to Cooling Fan Circuit | |
| ECM | Refer to REMOVAL [07/2012 - ] | |
| Cooling fans do not stop (continue to operate) | Engine coolant temperature sensor | Refer to INSPECTION [03/2012 - ] |
| Cooling fan circuit | Refer to Cooling Fan Circuit | |
| Cooling fan ECU | Refer to ON-VEHICLE INSPECTION [03/2012 - ] | |
| ECM | Refer to REMOVAL [07/2012 - ] | |
| Cooling fan speed does not change | Cooling fan circuit | Refer to Cooling Fan Circuit |
| ECM | Refer to REMOVAL [07/2012 - ] |
COOLING FAN SYSTEM
ON-VEHICLE INSPECTION [03/2012 - ]
- INSPECT COOLING FAN SYSTEM Connect the Techstream to the DLC3. Turn the engine switch on (IG). Enter the following menus: Powertrain / Engine / Active Test / Control the Electric Cooling Fan. Check operation of the cooling fans while operating them using the Techstream. If the cooling fans do not operate, check the cooling fan circuit. Refer to «Cooling Fan Circuit»(ref-602736-S40063877262014030500000) .
INSPECTION PROCEDURE
Note. Inspect the fuses for circuit related to this system before performing the following inspection procedure.