Details On DTCs
B1B7D:71 (DASH_ESU) DETECTION CONDITION AND POSSIBLE CAUSE
| System malfunction location |
Rear airflow mode actuator motor lock |
| Detection condition |
Determination conditions |
- The dash-electrical supply unit detects that the rear airflow mode actuator remains operating clockwise or counterclockwise and does not stop.
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| Preconditions |
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| Malfunction determination period |
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| Fail-safe |
- Rear airflow mode actuator drive signal is stopped right when the malfunction is determined.
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| Vehicle status when DTCs are output |
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| Possible cause |
- Malfunction in wiring harness (including connector/terminal) between rear airflow mode actuator and rear climate control unit
- Rear airflow mode actuator malfunction
- Rear A/C unit malfunction (rear airflow mode link malfunction or rear airflow mode door malfunction)
- Rear climate control unit malfunction
- Dash-electrical supply unit malfunction
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