| 1. | Remove the in-car temperature sensor. | 
| 2. | Test the in-car temperature sensor while holding it in front of the dashboard center vent.
  | 
| 3. | Compare the resistance reading between the No. 1 and No. 2 terminals of the in-car temperature sensor with the specifications shown in the graph; the resistance should be within the specifications. 
  | 
| 4. | If the resistance is not as specified, replace the  in-car temperature sensor. |