DTC B1793: Occupant Classification Sensor Power Supply Circuit Malfunction [10/2015 - ]: Description
The occupant classification sensor power supply circuit consists of the occupant detection ECU, front occupant classification sensor LH and rear occupant classification sensor LH.
DTC B1793 is stored when a malfunction is detected in the occupant classification sensor power supply circuit.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| B1793 | Occupant Classification Sensor Power Supply Circuit Malfunction |
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DTC DETECTION CONDITIONS:
| Vehicle Condition | |||||
|---|---|---|---|---|---|
| Pattern 1 | Pattern 2 | Pattern 3 | Pattern 4 | ||
| Diagnosis Condition | - | - | - | - | - |
| Malfunction Status | The occupant detection ECU detects a line short, or short to ground or B+ in the occupant classification sensor power supply circuit. | ◦ | - | - | - |
| Front occupant classification sensor LH malfunction | - | ◦ | - | - | |
| Rear occupant classification sensor LH malfunction | - | - | ◦ | - | |
| Occupant detection ECU malfunction | - | - | - | ◦ | |
| Detection Time | - | - | - | - | |
| Number of Trips | 1 trip | 1 trip | 1 trip | 1 trip | |
HINT:
DTC will be output when conditions for either of the patterns in the table above are met.
- *: The front occupant classification sensor LH and rear occupant classification sensor LH are built into the front seat adjuster assembly RH.