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Home >> Toyota >> 2009 >> Yaris Base, 4D Hatchback >> Repair and Diagnosis >> External Pages >> Different car >> Section 21 (Navigation) >> Navigation System >> Reverse Signal Circuit >> Description

Reverse Signal Circuit: Description

WARNING: This page is about a different car, the 2009 Toyota Prius. However, it is still accessible from the selected car via links, so may be relevant.

The navigation ECU receives a reverse signal from the BK/UP LP relay and information about the GPS antenna, and then adjusts vehicle position.

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