DTC B1925/78: Short in Rear Pretensioner Squib LH Circuit; DTC B1926/78: Open in Rear Pretensioner Squib LH Circuit; DTC B1927/78: Short to GND in Rear Pretensioner Squib LH Circuit; DTC B1928/78: Short to B+ in Rear Pretensioner Squib LH Circuit [08/2013 - ]: Description

The rear pretensioner squib LH circuit consists of the airbag sensor assembly and rear seat 3 point type outer belt assembly LH.

The airbag sensor assembly uses this circuit to deploy the seat belt pretensioner when deployment conditions are met.

These DTCs are stored when a malfunction is detected in the rear pretensioner squib LH circuit.

DTC No.	DTC Detection Condition	Trouble Area
B1925/78	The airbag sensor assembly receives a line short circuit signal in the rear pretensioner squib LH circuit during primary check. Rear pretensioner squib LH malfunction Airbag sensor assembly malfunction	Floor wire Rear seat 3 point type outer belt assembly LH (Rear pretensioner squib LH) Airbag sensor assembly
B1926/78	The airbag sensor assembly receives an open circuit signal in the rear pretensioner squib LH circuit. Rear pretensioner squib LH malfunction Airbag sensor assembly malfunction
B1927/78	The airbag sensor assembly receives a short circuit to ground signal in the rear pretensioner squib LH circuit. Rear pretensioner squib LH malfunction Airbag sensor assembly malfunction
B1928/78	The airbag sensor assembly receives a short circuit to B+ signal in the rear pretensioner squib LH circuit. Rear pretensioner squib LH malfunction Airbag sensor assembly malfunction