DTC B1800/51 Short in Driver Side Squib Circuit; DTC B1801/51 Open in Driver Side Squib Circuit; DTC B1802/51 Short to GND in Driver Side Squib Circuit; DTC B1803/51 Short to B+ in Driver Side Squib Circuit: Description
WARNING: This page is about a different car, the 2008 Toyota Yaris. However, it is still accessible from the selected car via links, so may be relevant.
The driver side squib circuit consists of the center airbag sensor assembly, the spiral cable and the steering pad.
The circuit signals the SRS to deploy when deployment conditions are met.
These DTCs are recorded when a malfunction is detected in the driver side squib circuit.
DIAGNOSTIC TROUBLE CODE CHART
| DTC No. |
DTC Detecting Condition |
Trouble Area |
| B1800/51 |
- Center airbag sensor assembly detects line short circuit signal in driver side squib circuit 5 times during primary check.
- Driver side squib malfunction Spiral cable malfunction
- Center airbag sensor assembly malfunction
|
- Instrument panel wire
- Spiral cable
- Steering pad (Driver side squib)
- Center airbag sensor assembly
|
| B1801/51 |
- Center airbag sensor assembly detects open circuit signal in driver side squib circuit for 2 seconds.
- Driver side squib malfunction
- Spiral cable malfunction
- Center airbag sensor assembly malfunction
|
- Instrument panel wire
- Spiral cable
- Steering pad (Driver side squib)
- Center airbag sensor assembly
|
| B1802/51 |
- Center airbag sensor assembly detects short circuit to ground signal in driver side squib circuit for 0.5 seconds.
- Driver side squib malfunction
- Spiral cable malfunction
- Center airbag sensor assembly malfunction
|
- Instrument panel wire
- Spiral cable Steering pad (Driver side squib)
- Center airbag sensor assembly
|
| B1803/51 |
- Center airbag sensor assembly detects short circuit to B+ signal in driver side squib circuit for 0.5 seconds.
- Driver side squib malfunction
- Spiral cable malfunction
- Center airbag sensor assembly malfunction
|
- Instrument panel wire
- Spiral cable
- Steering pad (Driver side squib)
- Center airbag sensor assembly
|