DTC B1780 Front Occupant Classification Sensor LH Circuit Malfunction: Description
The front occupant classification sensor LH circuit consists of the occupant classification ECU and the front occupant classification sensor LH.
DTC B1780 is recorded when a malfunction is detected in the front occupant classification sensor LH circuit.
DTC DETECTION CONDITION CHART
| DTC No. |
DTC Detecting Condition |
Trouble Area |
| B1780 |
- The occupant classification ECU receives a line short circuit signal, an open circuit signal, a short circuit to ground signal or a short circuit to B+ signal in the front occupant classification sensor LH circuit for 2 seconds.
- Front occupant classification sensor LH malfunction
- Occupant classification ECU malfunction
|
- Front seat back assembly RH (Front occupant classification sensor LH)
- Occupant classification ECU
- Front seat wire RH
|