DTC B1870/66: Short in Driver Side Front Seat Cushion Squib Circuit; DTC B1871/66: Open in Driver Side Front Seat Cushion Squib Circuit; DTC B1872/66: Short to GND in Driver Side Front Seat Cushion Squib Circuit; DTC B1873/66: Short to B+ in Driver Side Front Seat Cushion Squib Circuit: Description

The seat cushion squib circuit consists of the airbag ECU assembly and the front seat airbag sub-assembly LH.

This circuit instructs the SRS to deploy when deployment conditions are met.

These DTCs are recorded when a malfunction is detected in the seat cushion squib circuit.

DTC No.	DTC Detection Condition	Trouble Area
B1875/67	The airbag ECU assembly receives a line short circuit signal 5 times in the seat cushion squib circuit during primary check. Seat cushion squib malfunction Airbag ECU assembly malfunction	Floor wire Front seat airbag sub-assembly LH (Seat cushion squib LH) Airbag ECU assembly
B1876/67	The airbag ECU assembly receives an open circuit signal in the seat cushion squib circuit for 2 seconds. Seat cushion squib malfunction Airbag ECU assembly malfunction
B1877/67	The airbag ECU assembly receives a short circuit to ground signal in the seat cushion squib circuit for 0.5 seconds. Seat cushion squib malfunction Airbag ECU assembly malfunction
B1878/67	The airbag ECU assembly receives a short circuit to B+ signal in the seat cushion squib circuit for 0.5 seconds. Seat cushion squib malfunction Airbag ECU assembly malfunction