LEMON Manuals: Even more car manuals for everyone
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 B221A: Steering Switch Input 1 >> 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

    29

    31

    Depress BACK switch.

    1

    Depress SYMBOL switch.

    121

    Depress SYMBOL switch.

    321

    Depress SYMBOL switch.

    723

    Depress OK 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

    29

    4

    Yes

    31

    2

    30

    3

    Is the inspection result normal?

    YES

    Inspection End.

    NO

    Replace spiral cable. Refer to Removal and Installation .