DTC B1620/21: Side Airbag Sensor RH Circuit Malfunction; DTC B1622/81: Lost communication with Side Airbag Sensor RH; DTC B1625/22: Side Airbag Sensor LH Circuit Malfunction; DTC B1627/82: Lost communication with Side Airbag Sensor LH: Wiring Diagram

Fig 1: Airbag Sensors (RH Side) - Wiring Diagram

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 2: Airbag Sensors (LH Side) - Wiring Diagram

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002