DTC B1815/54: Short in Front Passenger Side Squib 2nd Step Circuit; DTC B1816/54: Open in Front Passenger Side Squib 2nd Step Circuit; DTC B1817/54: Short to GND in Front Passenger Side Squib 2nd Step Circuit; DTC B1818/54: Short to B+ in Front Passenger Side Squib 2nd Step Circuit [02/2017 - 09/2019]: Description
The front passenger side squib 2nd step circuit consists of the airbag sensor assembly and instrument panel passenger without door airbag assembly.
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 front passenger side squib 2nd step circuit.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Test Mode / Check Mode |
|---|---|---|---|---|
| B1815/54 | Short in Front Passenger Side Squib 2nd Step Circuit | Any of the following conditions is met:
|
|
Applies to check mode |
| B1816/54 | Open in Front Passenger Side Squib 2nd Step Circuit | Any of the following conditions is met:
|
|
Applies to check mode |
| B1817/54 | Short to GND in Front Passenger Side Squib 2nd Step Circuit | Any of the following conditions is met:
|
|
Applies to check mode |
| B1818/54 | Short to B+ in Front Passenger Side Squib 2nd Step Circuit | Any of the following conditions is met:
|
|
Applies to check mode |
DTC DETECTION CONDITIONS (B1815/54):
| 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 passenger side squib 2nd step circuit during the primary check. | ◦ | - | - |
| Front passenger side squib 2nd step malfunction | - | ◦ | - | |
| Airbag sensor assembly malfunction | - | - | ◦ | |
| Detection Time | - | - | - | |
| Number of Trips | 1 trip | 1 trip | 1 trip | |
DTC DETECTION CONDITIONS (B1816/54):
| 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 passenger side squib 2nd step circuit. | ◦ | - | - |
| Front passenger side squib 2nd step malfunction | - | ◦ | - | |
| Airbag sensor assembly malfunction | - | - | ◦ | |
| Detection Time | - | - | - | |
| Number of Trips | 1 trip | 1 trip | 1 trip | |
DTC DETECTION CONDITIONS (B1817/54):
| 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 passenger side squib 2nd step circuit. | ◦ | - | - |
| Front passenger side squib 2nd step malfunction | - | ◦ | - | |
| Airbag sensor assembly malfunction | - | - | ◦ | |
| Detection Time | - | - | - | |
| Number of Trips | 1 trip | 1 trip | 1 trip | |
DTC DETECTION CONDITIONS (B1818/54):
| 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 passenger side squib 2nd step circuit. | ◦ | - | - |
| Front passenger side squib 2nd step 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.