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Home >> Toyota >> 2012 >> Highlander Limited, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Interior/Illumination Lights >> Lighting System (Diagnostic Codes & Circuit Tests) (Except Hybrid) >> Lighting System >> Circuit Tests >> Headlight (HI-BEAM) Circuit >> Description

Headlight (HI-BEAM) Circuit: Description

The main body ECU receives a signal from the headlight dimmer switch assembly to control the high beam headlights.

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