DTC B1900: Short in Front P/T Squib RH Circuit; DTC B1901: Open in Front P/T Squib RH Circuit; DTC B1902: Short in Front P/T Squib RH Circuit (To Ground); DTC B1903: Short in Front P/T Squib RH Circuit (To B+) [09/2019 - ]: Description
The front pretensioner squib RH circuit consists of the airbag sensor assembly and front seat outer belt assembly RH.
The airbag sensor assembly uses this circuit to deploy the pretensioner when deployment conditions are met.
These DTCs are stored when a malfunction is detected in the front pretensioner squib RH circuit.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Test Mode / Check Mode |
|---|---|---|---|---|
| B1900 | Short in Front P/T Squib RH Circuit | Any of the following conditions is met:
|
|
Applies to check mode |
| B1901 | Open in Front P/T Squib RH Circuit | Any of the following conditions is met:
|
|
Applies to check mode |
| B1902 | Short in Front P/T Squib RH Circuit (To Ground) | Any of the following conditions is met:
|
|
Applies to check mode |
| B1903 | Short in Front P/T Squib RH Circuit (To B+) | Any of the following conditions is met:
|
|
Applies to check mode |
DTC DETECTION CONDITIONS (B1900):
| 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 front pretensioner squib RH circuit during the primary check | ◦ | - | - |
| Front pretensioner squib RH malfunction | - | ◦ | - | |
| Airbag sensor assembly malfunction | - | - | ◦ | |
| Detection Time | - | - | - | |
| Number of Trips | 1 trip | 1 trip | 1 trip | |
DTC DETECTION CONDITIONS (B1901):
| Vehicle Condition | ||||
|---|---|---|---|---|
| Pattern 1 | Pattern 2 | Pattern 3 | ||
| Diagnosis Condition | Ignition switch ON | ◦ | ◦ | ◦ |
| Malfunction Status | The airbag sensor assembly detects an open in the front pretensioner squib RH circuit | ◦ | - | - |
| Front pretensioner squib RH malfunction | - | ◦ | - | |
| Airbag sensor assembly malfunction | - | - | ◦ | |
| Detection Time | - | - | - | |
| Number of Trips | 1 trip | 1 trip | 1 trip | |
DTC DETECTION CONDITIONS (B1902):
| 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 front pretensioner squib RH circuit | ◦ | - | - |
| Front pretensioner squib RH malfunction | - | ◦ | - | |
| Airbag sensor assembly malfunction | - | - | ◦ | |
| Detection Time | - | - | - | |
| Number of Trips | 1 trip | 1 trip | 1 trip | |
DTC DETECTION CONDITIONS (B1903):
| 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 front pretensioner squib RH circuit | ◦ | - | - |
| Front pretensioner 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.