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Home >> Infiniti >> 2024 >> QX55 Essential >> Repair and Diagnosis >> Electrical >> Gauges >> Meter, Warning Lamp And Indicator (DTC/Circuit Diagnosis) >> DTC/Circuit Diagnosis >> B221A-23 Steering SW Input1 >> 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.