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Home >> Lexus >> 2017 >> RC 350 Base, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 39 (Automatic Headlight Beam Level Control System - Diagnostics - Introduction) >> Automatic Headlight Beam Level Control System >> Fail-Safe Chart [10/2018 - ] >> Fail-Safe Chart [10/2018 - ]
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Fail-Safe Chart [10/2018 - ]

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  1. FAIL-SAFE FUNCTION 
    1. No. 1 headlight ECU sub-assembly
      1. The No. 1 headlight ECU sub-assembly stops light operation if any of the following malfunctions are detected.
        Malfunction Multi-information Display Warning DTC Output
        Lighting on/off LED light source malfunction Low beam/High beam Displayed Output
        Fan malfunction* Displayed Output
        Other than above (communication with main body ECU (multiplex network body ECU)) Not displayed Output
        Automatic headlight beam level control Displayed Output
        Cornering light Not displayed Output
        Power supply IG voltage line malfunction Displayed Output
        Other than an IG voltage line malfunction Not displayed Not output
        1. *: for Triple Beam Headlight
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