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Home >> Infiniti >> 2021 >> QX50 Essential, FWD >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter, Warning Lamp & Indicator (DTC/Circuit Diagnosis) >> DTC/Circuit Diagnosis >> DTC B220C: Illumination Control Switch Up >> Component Inspection

Component Inspection

  1. CHECK ILLUMINATION CONTROL SWITCH 
    1. Ignition switch OFF.
    2. Disconnect illumination control switch connector.
    3. Check illumination control switch.

      Illumination control switch

      Condition

      Continuity

      Terminals

      12

      11

      When illumination control switch (-) is pressed

      Yes

      Other than the above

      No

      10

      When illumination control switch (+) is pressed

      Yes

      Other than the above

      No

    Is the inspection result normal?

    YES

    Inspection End.

    NO

    Replace illumination control switch. Refer to Removal and Installation .