| DTC (Recirculation Indicator Blinks) | Detection Item |
| 7 | An open in the air mix control motor circuit |
| 8 | A short in the air mix control motor circuit |
| 9 | A problem in the air mix control linkage, door, or motor |
| 10 | A short or open in the mode control motor circuit |
| 11 | A problem in the mode control linkage, doors, or motor |
| 12 | A problem in the blower motor circuit |
| 13 | A problem in the EEPROM in the heater control panel; the control panel must be replaced |
| 14
(with a/c) | An open in the evaporator temperature sensor circuit |
| 15
(with a/c) | A short in the evaporator temperature sensor circuit |