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Home >> Infiniti >> 2023 >> QX55 Essential >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter, Warning Lamp & Indicator (DTC/Circuit Diagnosis) >> DTC/Circuit Diagnosis >> DTC B221B-23: Steering SW Input2 >> DTC Diagnosis Procedure

DTC Diagnosis Procedure

  1. CHECK STEERING SWITCH CIRCUIT 
    1. Ignition switch OFF.
    2. Disconnect combination meter harness connector and spiral cable harness connector.
    3. Check continuity between combination meter harness connector and spiral cable harness connector.

      Combination meter

      Spiral cable

      Continuity

      Connector

      Terminal

      Connector

      Terminal

      M76

      3

      M30

      2

      Yes

      23

      4

      24

      3

    4. Check continuity between combination meter harness connector and ground.

      Combination meter

      --

      Continuity

      Connector

      Terminal

      M76

      3

      Ground

      No

      23

      24

    Is the inspection result normal?

    YES

    Inspection End.

    NO

    Repair or replace harness or connector.