DTC B1820/55: Short in Side Squib RH Circuit; DTC B1821/55: Open in Side Squib RH Circuit; DTC B1822/55: Short to GND in Side Squib RH Circuit; DTC B1823/55: Short to B+ in Side Squib RH Circuit [03/2017 - 04/2020]: Description

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

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

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

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	Warning Indicate	Test Mode / Check Mode
B1820/55	Short in Side Squib RH Circuit	One of the following conditions is met: The airbag ECU assembly detects a line short circuit signal 5 times in the front side squib RH circuit during the primary check. A front seat airbag assembly RH malfunction. An airbag ECU assembly malfunction.	Floor wire Front seat airbag assembly RH Airbag ECU assembly	Comes on	Applicable
B1821/55	Open in Side Squib RH Circuit	One of the following conditions is met: The airbag ECU assembly detects an open circuit signal in the front side squib RH circuit for 2 seconds. A front seat airbag assembly RH malfunction. An airbag ECU assembly malfunction.	Floor wire Front seat airbag assembly RH Airbag ECU assembly	Comes on	Applicable
B1822/55	Short to GND in Side Squib RH Circuit	One of the following conditions is met: The airbag ECU assembly detects a short circuit to ground signal in the front side squib RH circuit for 0.5 seconds. A front seat airbag assembly RH malfunction. An airbag ECU assembly malfunction.	Floor wire Front seat airbag assembly RH Airbag ECU assembly	Comes on	Applicable
B1823/55	Short to B+ in Side Squib RH Circuit	One of the following conditions is met: The airbag ECU assembly detects a short circuit to B+ signal in the front side squib RH circuit for 0.5 seconds. A front seat airbag assembly RH malfunction. An airbag ECU assembly malfunction.	Floor wire Front seat airbag assembly RH Airbag ECU assembly	Comes on	Applicable