DTC B1850: Short in Rear Side Squib RH Circuit; DTC B1851: Open in Rear Side Squib RH Circuit; DTC B1852: Short to GND in Rear Side Squib RH Circuit; DTC B1853: Short to B+ in Rear Side Squib RH Circuit [06/2018 - ]: Description

The rear side squib RH circuit consists of the airbag ECU assembly and rear seat airbag assembly RH.

The airbag ECU assembly uses this circuit to deploy the airbag when deployment conditions are met.

These DTCs are stored when a malfunction is detected in the rear side squib RH circuit.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	Warning Indicate	Test Mode / Check Mode
B1850	Short in Rear Side Squib RH Circuit	The airbag ECU assembly detects a line short in the rear side squib RH circuit during the primary check. Rear side squib RH malfunction Airbag ECU assembly malfunction	Floor wire Rear side squib RH (Rear seat airbag assembly RH) Airbag ECU assembly	Comes on	Applies to check mode
B1851	Open in Rear Side Squib RH Circuit	The airbag ECU assembly detects an open in the rear side squib RH circuit. Rear side squib RH malfunction Airbag ECU assembly malfunction	Floor wire Rear side squib RH (Rear seat airbag assembly RH) Airbag ECU assembly	Comes on	Applies to check mode
B1852	Short to GND in Rear Side Squib RH Circuit	The airbag ECU assembly detects a short to ground in the rear side squib RH circuit. Rear side squib RH malfunction Airbag ECU assembly malfunction	Floor wire Rear side squib RH (Rear seat airbag assembly RH) Airbag ECU assembly	Comes on	Applies to check mode
B1853	Short to B+ in Rear Side Squib RH Circuit	The airbag ECU assembly detects a short to B+ in the rear side squib RH circuit. Rear side squib RH malfunction Airbag ECU assembly malfunction	Floor wire Rear side squib RH (Rear seat airbag assembly RH) Airbag ECU assembly	Comes on	Applies to check mode