DTC B1782: Rear Occupant Classification Sensor LH Circuit Malfunction [09/2019 - ]: Description
The rear occupant classification sensor LH circuit consists of the occupant detection ECU and rear in weight detection sensor sub-assembly.
DTC B1782 is stored when a malfunction is detected in the rear in weight detection sensor sub-assembly circuit.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| B1782 | Rear Occupant Classification Sensor LH Circuit Malfunction | Any of the following conditions is met:
|
|
- *: The rear in weight detection sensor sub-assembly is built into the front seat adjuster assembly RH.
DTC DETECTION CONDITIONS
| Vehicle Condition | |||||||
|---|---|---|---|---|---|---|---|
| Pattern 1 | Pattern 2 | Pattern 3 | Pattern 4 | Pattern 5 | Pattern 6 | ||
| Diagnosis Condition | Ignition switch ON | ◦ | ◦ | ◦ | ◦ | ◦ | ◦ |
| Malfunction Status | The occupant detection ECU detects a line short in the rear in weight detection sensor sub-assembly circuit. | ◦ | - | - | - | - | - |
| The occupant detection ECU detects a line short to ground in the rear in weight detection sensor sub-assembly circuit. | - | ◦ | - | - | - | - | |
| The occupant detection ECU detects a line short to B+ in the rear in weight detection sensor sub-assembly circuit. | - | - | ◦ | - | - | - | |
| The occupant detection ECU detects a line open in the rear in weight detection sensor sub-assembly circuit. | - | - | - | ◦ | - | - | |
| Rear in weight detection sensor sub-assembly malfunction | - | - | - | - | ◦ | - | |
| Occupant detection ECU malfunction | - | - | - | - | - | ◦ | |
| Detection Time | - | - | - | - | - | - | |
| Number of Trips | 1 trip | 1 trip | 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.