LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2018 >> QX80 AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Entertainment Systems >> Audio System & Navigation System (DTCS) >> Multi Av (Display Control Unit) >> DTC U12C1: Rear Display RH Conn >> DTC Description >> DTC Detection Logic
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Detection Logic

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

U12C1

REAR DISPLAY RH CONN

(Headrest display unit RH connection error)

1

Diagnosis condition

When ignition switch is ON.

Signal (terminal)

Headrest display RH power supply and ground circuit

Threshold

Abnormality

Diagnosis delay time

30 seconds or more

2

Diagnosis condition

When ignition switch is ON.

Signal (terminal)

LVDS communication (between video distributor and headrest display RH)

Threshold

Abnormality

Diagnosis delay time

30 seconds or more