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Home >> Toyota >> 2007 >> Highlander Base, 2.4 D, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 11 (Air Conditioning) >> Air Conditioning System >> Back-up Power Source Circuit >> Description

Back-up Power Source Circuit: Description

WARNING: This page is about a different car, the 2007 Toyota Prius. However, it is still accessible from the selected car via links, so may be relevant.

This is the back-up power source circuit for the air conditioning amplifier. Power is supplied even when turning the power switch OFF and is used for diagnostic trouble code memory, etc.