DTC B1507: Open in Turn Signal Circuit; DTC B1508: Short in Turn Signal / Hazard Flasher Circuit [08/2013 - ]: Wiring Diagram

WARNING: This page is about a different car, the 2014 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.

w/ Seat Position Memory

Fig 1: Identifying Turn Signal / Hazard Flasher Circuit Wiring Diagram (w/ Seat Position Memory)
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w/o Seat Position Memory

Fig 2: Identifying Turn Signal / Hazard Flasher Circuit Wiring Diagram (w/o Seat Position Memory)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002