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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 U1300: Av Comm Circuit >> 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

U1300

AV COMM CIRCUIT

(AV communication circuit)

Diagnosis condition

When ignition switch is ON.

Signal (terminal)

AV communication signal

Threshold

Transmit or receive is abnormal

Diagnosis delay time

30 seconds or more

NOTE: DTC U1300 is simultaneously displayed as one of following DTC(s).
  • U1249 AUDIO H/U CONN
  • U124E AMP CONN
  • U125B AROUND CAMERA CONN
  • U12C0 RSE CONTROL UNIT CONN