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Home >> Infiniti >> 2022 >> QX55 Essential >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> ADAS Control Unit (DTC/Circuit Diagnosis) >> DTC/Circuit Diagnosis >> ICC/ADAS (ADAS Control Unit) >> DTC C1A40-00: System Switch Circuit >> Diagnosis Procedure
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Diagnosis Procedure

  1. WARNING SYSTEM SWITCH CIRCUIT 

    Check the warning system switch CIRCUIT. Refer to Component Function Check .

    Is the inspection result normal?

    YES

    Replace ADAS control unit. Refer to Removal and Installation .

    NO

    Repair or replace malfunctioning parts.