DTC B1820/55: Short in Side Squib RH Circuit; DTC B1821/55: Open in Side Squib RH Circuit; DTC B1822/55: Short to GND in Side Squib RH Circuit; DTC B1823/55: Short to B+ in Side Squib RH Circuit [10/2017 - 09/2019]: Description
The side squib RH circuit consists of the airbag sensor assembly and front seat airbag assembly RH.
The airbag sensor assembly uses this circuit to deploy the airbag when deployment conditions are met.
These DTCs are stored when a malfunction is detected in the side squib RH circuit.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Test Mode / Check Mode |
|---|---|---|---|---|
| B1820/55 | Short in Side Squib RH Circuit | Any of the following conditions is met:
|
|
Applies to check mode |
| B1821/55 | Open in Side Squib RH Circuit | Any of the following conditions is met:
|
|
Applies to check mode |
| B1822/55 | Short to GND in Side Squib RH Circuit | Any of the following conditions is met:
|
|
Applies to check mode |
| B1823/55 | Short to B+ in Side Squib RH Circuit | Any of the following conditions is met:
|
|
Applies to check mode |
DTC DETECTION CONDITIONS (B1820/55):
| Vehicle Condition | ||||
|---|---|---|---|---|
| Pattern 1 | Pattern 2 | Pattern 3 | ||
| Diagnosis Condition | Ignition switch ON | ◦ | ◦ | ◦ |
| Malfunction Status | The airbag sensor assembly detects a line short in the side squib RH circuit during the primary check | ◦ | - | - |
| Side squib RH malfunction | - | ◦ | - | |
| Airbag sensor assembly malfunction | - | - | ◦ | |
| Detection Time | - | - | - | |
| Number of Trips | 1 trip | 1 trip | 1 trip | |
DTC DETECTION CONDITIONS (B1821/55):
| Vehicle Condition | ||||
|---|---|---|---|---|
| Pattern 1 | Pattern 2 | Pattern 3 | ||
| Diagnosis Condition | Ignition switch ON | ◦ | ◦ | ◦ |
| Malfunction Status | The airbag sensor assembly detects an open in the side squib RH circuit | ◦ | - | - |
| Side squib RH malfunction | - | ◦ | - | |
| Airbag sensor assembly malfunction | - | - | ◦ | |
| Detection Time | - | - | - | |
| Number of Trips | 1 trip | 1 trip | 1 trip | |
DTC DETECTION CONDITIONS (B1822/55):
| Vehicle Condition | ||||
|---|---|---|---|---|
| Pattern 1 | Pattern 2 | Pattern 3 | ||
| Diagnosis Condition | Ignition switch ON | ◦ | ◦ | ◦ |
| Malfunction Status | The airbag sensor assembly detects a short to ground in the side squib RH circuit | ◦ | - | - |
| Side squib RH malfunction | - | ◦ | - | |
| Airbag sensor assembly malfunction | - | - | ◦ | |
| Detection Time | - | - | - | |
| Number of Trips | 1 trip | 1 trip | 1 trip | |
DTC DETECTION CONDITIONS (B1823/55):
| Vehicle Condition | ||||
|---|---|---|---|---|
| Pattern 1 | Pattern 2 | Pattern 3 | ||
| Diagnosis Condition | Ignition switch ON | ◦ | ◦ | ◦ |
| Malfunction Status | The airbag sensor assembly detects a short to B+ in the side squib RH circuit | ◦ | - | - |
| Side squib RH malfunction | - | ◦ | - | |
| Airbag sensor assembly malfunction | - | - | ◦ | |
| Detection Time | - | - | - | |
| Number of Trips | 1 trip | 1 trip | 1 trip | |
HINT:
DTC will be output when conditions for either of the patterns in the table above are met.