DTC B1900/73 Short in Front Driver Side Pretensioner Squib Circuit; DTC B1901/73 Open in Front Driver Side Pretensioner Squib Circuit; DTC B1902/73 Short to GND in Front Driver Side Pretensioner Squib Circuit; DTC B1903/73 Short to B+ in Front Driver Side Pretensioner Squib Circuit: Description
WARNING: This page is about a different car, the 2007 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.
The driver side front pretensioner squib circuit consists of the center airbag sensor and the front seat outer belt LH.
This circuit instructs the SRS to deploy when the deployment conditions are met.
These DTCs are recorded when a malfunction is detected in the front pretensioner squib circuit.
DTC DETECTION CONDITION
| DTC No. | DTC Detection Condition | Trouble Area |
|---|---|---|
| B1900/73 | Center airbag sensor receives a line short signal 5 times in the driver side front pretensioner squib circuit during primary check. |
|
| B1901/73 | Center airbag sensor receives an open signal in the driver side front pretensioner squib circuit for 2 seconds. |
|
| B1902/73 | Center airbag sensor receives a short to ground signal in the driver side front pretensioner squib circuit for 0.5 seconds. |
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| B1903/73 | Center airbag sensor receives a short circuit to B+ signal in the driver side front pretensioner squib circuit for 0.5 seconds. |
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