Tech Tips
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 | Link |
|---|---|---|
| The grille shutter does not operate | ECU-B NO. 2 fuse | - |
| Wire harness or connector | - | |
| Air conditioning system | ||
| Radiator shutter sub-assembly | ||
| Swing grille actuator assembly | ||
| There are scratches, cracks or other damage | Perform Active Test (Shutter Closing Operation Lock Detection, Shutter Opening Operation Lock Detection) | |
| Read the Data List (Shutter Operation Lock Detection Result for Active Test) | ||
| Radiator shutter sub-assembly | ||
| Swing grille actuator assembly | ||
| The shutter is not completely closed or opened | Check for ice, etc. around the fins and links | - |
| Perform Active Test (Shutter Closing Operation Lock Detection, Shutter Opening Operation Lock Detection) | ||
| Read the Data List (Shutter Operation Lock Detection Result for Active Test) | ||
| Radiator shutter sub-assembly | ||
| Swing grille actuator assembly | ||
| The shutter is opened or closed when it should be the opposite | Check the "Description of Operation" Chart | |
| Perform Active Test (Shutter Closing Operation Lock Detection, Shutter Opening Operation Lock Detection) | ||
| Read the Data List (Shutter Operation Lock Detection Result for Active Test) | ||
| Radiator shutter sub-assembly | ||
| Swing grille actuator assembly | ||
| Noisy | Check for ice, etc. around the fins and links | - |
| Perform Active Test (Shutter Closing Operation Lock Detection, Shutter Opening Operation Lock Detection) | ||
| Read the Data List (Shutter Operation Lock Detection Result for Active Test) | ||
| Radiator shutter sub-assembly | ||
| Swing grille actuator assembly | ||
| An unexpected operation noise is heard | Check the "Description of Operation" Chart | |
| Perform Active Test (Shutter Closing Operation Lock Detection, Shutter Opening Operation Lock Detection) | ||
| Read the Data List (Shutter Operation Lock Detection Result for Active Test) | ||
| Radiator shutter sub-assembly | ||
| Swing grille actuator assembly |