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 [10/2020 - 10/2023]: Wiring Diagram

for Fixed Seat Type: 

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for Power Seat: 

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002