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Home >> Infiniti >> 2016 >> QX50 RWD >> Repair and Diagnosis >> Accessories & Equipment >> Entertainment Systems >> Audio, Visual & Navigation System (BOSE Audio With Navigation) (Diagnostic Trouble Codes (DTCS) B272C-U1310 And Circuit Diagnosis) >> DTC/Circuit Diagnosis >> DTC U1300: Av Comm Circuit >> Description >> Self-Diagnosis Results Display Item

Self-Diagnosis Results Display Item

DTC Display contents of CONSULT DTC detection condition Possible malfunction factor
U1300
U1240
  • AV COMM CIRCUIT [U1300]
  • SWITCH CONN [U1240]
When either one of the following items are detected:
  • Multifunction switch power supply and ground circuits are malfunctioning.
  • AV communication circuits between AV control unit and multifunction switch are malfunctioning.
  • Multifunction switch power supply and ground circuits.
  • AV communication circuits between AV control unit and multifunction switch.
U1300
U125B
  • AV COMM CIRCUIT [U1300]
  • AROUND CAMERA CONN [U125B]
When either one of the following items are detected:
  • Around view monitor control unit power supply and ground circuits are malfunctioning.
  • AV communication circuits between multifunction switch and around view monitor control unit are malfunctioning.
  • Around view monitor control unit power supply and ground circuits.
  • AV communication circuits between multifunction switch and around view monitor control unit.
U1300
U1240
U125B
  • AV COMM CIRCUIT [U1300]
  • SWITCH CONN [U1240]
  • AROUND CAMERA CONN [U125B]
AV communication circuits between AV control unit and multifunction switch are malfunctioning. AV communication circuits between AV control unit and multifunction switch.