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Home >> Toyota >> 2012 >> Prius Two >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 138 (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

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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.