DTC B1860: Short in Knee Airbag (D Side) Squib Circuit; DTC B1861: Open in Knee Airbag (D Side) Squib Circuit; DTC B1862: Short in Knee Airbag (D Side) Squib Circuit (to Ground); DTC B1863: Short in Knee Airbag (D Side) Squib Circuit (to +B) [05/2019 - ]: Description
The driver side knee squib circuit consists of the airbag ECU assembly and lower No. 1 instrument panel airbag assembly.
This circuit instructs the SRS to deploy when deployment conditions are met.
These DTCs are stored when a malfunction is detected in the driver side knee squib circuit.
| DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
| B1860 |
Short in Knee Airbag (D Side) Squib Circuit |
One of the following conditions is met:
- The airbag ECU assembly detects a line short circuit signal 5 times in the driver side knee squib circuit during the primary check.
- A lower No. 1 instrument panel airbag assembly malfunction.
- An airbag ECU assembly malfunction.
|
- Instrument panel wire
- Lower No. 1 instrument panel airbag assembly
- Airbag ECU assembly
|
| B1861 |
Open in Knee Airbag (D Side) Squib Circuit |
One of the following conditions is met:
- The airbag ECU assembly detects an open circuit signal in the driver side knee squib circuit for 2 seconds.
- A lower No. 1 instrument panel airbag assembly malfunction.
- An airbag ECU assembly malfunction.
|
- Instrument panel wire
- Lower No. 1 instrument panel airbag assembly
- Airbag ECU assembly
|
| B1862 |
Short in Knee Airbag (D Side) Squib Circuit (to Ground) |
One of the following conditions is met:
- The airbag ECU assembly detects a short circuit to ground signal in the driver side knee squib circuit for 0.5 seconds.
- A lower No. 1 instrument panel airbag assembly malfunction.
- An airbag ECU assembly malfunction.
|
- Instrument panel wire
- Lower No. 1 instrument panel airbag assembly
- Airbag ECU assembly
|
| B1863 |
Short in Knee Airbag (D Side) Squib Circuit (to +B) |
One of the following conditions is met:
- The airbag ECU assembly detects a short circuit to B+ signal in the driver side knee squib circuit for 0.5 seconds.
- A lower No. 1 instrument panel airbag assembly malfunction.
- An airbag ECU assembly malfunction.
|
- Instrument panel wire
- Lower No. 1 instrument panel airbag assembly
- Airbag ECU assembly
|