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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 Description >> DTC Detection Logic

DTC Detection Logic

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.

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

U121F

DISPLAY CONTROL UNIT

(Display control unit)

Diagnosis condition

When ignition switch is ON.

Signal (terminal)

--

Threshold

Display control unit internal malfunction

Diagnosis delay time

30 seconds or more