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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 B221B: Steering Switch Input 2 >> Component Inspection

Component Inspection

  1. CHECK STEERING SWITCH RESISTANCE 

    Check resistance between the following steering switch terminals:

    Steering switch

    Condition

    Resistance Ohm

    (Approx.)

    Terminal

    Terminal

    30

    31

    Depress SYMBOLSYMBOL switch.

    1

    Depress SYMBOLSYMBOL switch.

    121

    Depress TEL switch ON

    321

    Depress display back SYMBOL switch.

    723

    Depress display next SYMBOL switch.

    2023

    Is the inspection result normal?

    YES

    GO TO 2.

    NO

    Replace steering wheel switch. Refer to Removal and Installation .

  2. CHECK SPIRAL CABLE 

    Check continuity between the following spiral cable terminals:

    Spiral cable

    Continuity

    Terminals

    30

    3

    Yes

    31

    2

    29

    4

    Is the inspection result normal?

    YES

    Inspection End.

    NO

    Replace spiral cable. Refer to Removal and Installation .