LEMON Manuals: Even more car manuals for everyone
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 U1266: TCU >> 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

U1266

TCU CONN

(TCU connection)

1

Diagnosis condition

When ignition switch is ON.

Signal (terminal)

USB communication signal (TCU power supply and ground circuit)

Threshold

Abnormality

Diagnosis delay time

30 seconds or more

2

Diagnosis condition

When ignition switch is ON.

Signal (terminal)

USB communication signal (between Display control unit and TCU)

Threshold

Abnormality

Diagnosis delay time

30 seconds or more