DTC B1507: Open in Turn Signal Circuit; DTC B1508: Short in Turn Signal / Hazard Flasher Circuit [04/2013 - 10/2016]: Wiring Diagram

w/ Seat Position Memory: 

Fig 1: w/ Seat Position Memory: [04/2013 - 10/2016]

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w/o Seat Position Memory: 

Fig 2: w/o Seat Position Memory: [04/2013 - 10/2016]

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002