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Home >> Infiniti >> 2019 >> QX80 Luxe, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 191 (Audio System & Navigation System (DTCS)) >> Multi Av (Display Control Unit) >> DTC U121F: Display Control Unit >> DTC Diagnosis Procedure

DTC Diagnosis Procedure

WARNING: This page is about a different car, the 2020 Nissan Armada. However, it is still accessible from the selected car via links, so may be relevant.
  1. PERFORM DTC CONFIRMATION PROCEDURE AGAIN 

    SYMBOL With CONSULT

    1. Turn ignition switch ON.
    2. Erase DTC.
    3. Perform DTC confirmation procedure again. Refer to Confirmation Procedure .

    Is DTC U121F detected again?

    YES

    Replace display control unit. Refer to DISPLAY CONTROL UNIT : Removal & Installation .

    NO

    INSPECTION END.