DTC P1520: Stop Light Switch Circuit

WARNING: This page is about a different car, the 2002 Toyota Prius. However, it is still accessible from the selected car via links, so may be relevant.

For DTC P1520 diagnosis, see Fig 1-Fig 3 .

Fig 1: Diagnosing Stop Light Switch Circuit (1 Of 3)

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Fig 2: Diagnosing Stop Light Switch Circuit (2 Of 3)

Fig 3: Diagnosing Stop Light Switch Circuit (3 Of 3)