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Home >> Toyota >> 2012 >> Prius Plug-in >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Headlights >> Auto Headlight Beam Level Control System (Plug-In) (Diagnostic Codes & Circuit Tests) >> Automatic Headlight Beam Level Control System >> Circuit Tests >> Indicator Circuit >> Description
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Indicator Circuit: Description

The headlight beam level control system indicator light in the combination meter assembly comes on for approximately 3 seconds when the power switch is turned on (IG). The indicator light also comes on when the headlight leveling ECU assembly detects a malfunction.

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