DTC B1800: Short in Driver Squib Circuit; DTC B1801: Open in Driver Squib Circuit; DTC B1802: Short to GND in Driver Side Squib Circuit; DTC B1803: Short to B+ in Driver Side Squib Circuit [09/2019 - ]: Description
The driver side squib circuit consists of the airbag sensor assembly, spiral cable with sensor sub-assembly and horn button 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 driver side squib circuit.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Test Mode / Check Mode |
|---|---|---|---|---|
| B1800 | Short in Driver Squib Circuit | Any of the following conditions is met:
|
|
Applies to check mode |
| B1801 | Open in Driver Squib Circuit | Any of the following conditions is met:
|
|
Applies to check mode |
| B1802 | Short to GND in Driver Side Squib Circuit | Any of the following conditions is met:
|
|
Applies to check mode |
| B1803 | Short to B+ in Driver Side Squib Circuit | Any of the following conditions is met:
|
|
Applies to check mode |
DTC DETECTION CONDITIONS (B1800):
| Vehicle Condition | |||||
|---|---|---|---|---|---|
| Pattern 1 | Pattern 2 | Pattern 3 | Pattern 4 | ||
| Diagnosis Condition | Ignition switch ON | ◦ | ◦ | ◦ | ◦ |
| Malfunction Status | The airbag sensor assembly detects a line short in the driver side squib circuit during the primary check | ◦ | - | - | - |
| Spiral cable with sensor sub-assembly malfunction | - | ◦ | - | - | |
| Driver side squib malfunction | - | - | ◦ | - | |
| Airbag sensor assembly malfunction | - | - | - | ◦ | |
| Detection Time | - | - | - | - | |
| Number of Trips | 1 trip | 1 trip | 1 trip | 1 trip | |
DTC DETECTION CONDITIONS (B1801):
| Vehicle Condition | |||||
|---|---|---|---|---|---|
| Pattern 1 | Pattern 2 | Pattern 3 | Pattern 4 | ||
| Diagnosis Condition | Ignition switch ON | ◦ | ◦ | ◦ | ◦ |
| Malfunction Status | The airbag sensor assembly detects an open in the driver side squib circuit | ◦ | - | - | - |
| Spiral cable with sensor sub-assembly malfunction | - | ◦ | - | - | |
| Driver side squib malfunction | - | - | ◦ | - | |
| Airbag sensor assembly malfunction | - | - | - | ◦ | |
| Detection Time | - | - | - | - | |
| Number of Trips | 1 trip | 1 trip | 1 trip | 1 trip | |
DTC DETECTION CONDITIONS (B1802):
| Vehicle Condition | |||||
|---|---|---|---|---|---|
| Pattern 1 | Pattern 2 | Pattern 3 | Pattern 4 | ||
| Diagnosis Condition | Ignition switch ON | ◦ | ◦ | ◦ | ◦ |
| Malfunction Status | The airbag sensor assembly detects a short to ground in the driver side squib circuit | ◦ | - | - | - |
| Spiral cable with sensor sub-assembly malfunction | - | ◦ | - | - | |
| Driver side squib malfunction | - | - | ◦ | - | |
| Airbag sensor assembly malfunction | - | - | - | ◦ | |
| Detection Time | - | - | - | - | |
| Number of Trips | 1 trip | 1 trip | 1 trip | 1 trip | |
DTC DETECTION CONDITIONS (B1803):
| Vehicle Condition | |||||
|---|---|---|---|---|---|
| Pattern 1 | Pattern 2 | Pattern 3 | Pattern 4 | ||
| Diagnosis Condition | Ignition switch ON | ◦ | ◦ | ◦ | ◦ |
| Malfunction Status | The airbag sensor assembly detects a short to B+ in the driver side squib circuit | ◦ | - | - | - |
| Spiral cable with sensor sub-assembly malfunction | - | ◦ | - | - | |
| Driver side squib malfunction | - | - | ◦ | - | |
| Airbag sensor assembly 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.