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Home >> Infiniti >> 2016 >> QX80 Base, RWD >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Audio, Visual & Navigation System (BOSE Audio With Navigation) ((Diagnostic Trouble Codes (DTCS) U1200-B272C) 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
U124E
  • AV COMM CIRCUIT [U1300]
  • AMP CONN [U124E]
When either one of the following items are detected:
  • BOSE amp. power supply and ground circuits are malfunctioning.
  • AV communication circuits between headrest display unit LH and BOSE amp. are malfunctioning.
  • BOSE amp. power supply and ground circuits.

    Refer to DIAGNOSIS PROCEDURE .

  • AV communication circuits between headrest display unit LH and BOSE amp.
U1300
U1246
  • AV COMM CIRCUIT [U1300]
  • VIDEO DIST CONN [U1246]
When either one of the following items are detected:
  • video distributor power supply and ground circuits are malfunctioning.
  • headrest display unit LH power supply and ground circuits are malfunctioning.
  • AV communication circuits between AV control unit and headrest display unit LH are malfunctioning.
  • location recognition signal circuit between headrest display unit LH and ground is malfunctioning.
  • Video distributor power supply and ground circuits.

    Refer to DIAGNOSIS PROCEDURE .

  • Headrest display unit LH power supply and ground circuits.

    Refer to DIAGNOSIS PROCEDURE .

  • AV communication circuits between AV control unit and headrest display unit LH.
  • Location recognition signal circuit between headrest display unit LH and ground.

    Refer to DIAGNOSIS PROCEDURE .

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 AV control unit and around view monitor control unit are malfunctioning.
  • Around view monitor control unit power supply and ground circuits.

    Refer to DIAGNOSIS PROCEDURE .

  • AV communication circuits between AV control unit and around view monitor control unit.
U1300
U125C
  • AV COMM CIRCUIT [U1300]
  • SONAR CONN [U125C]
When either one of the following items are detected:
  • Sonar control unit power supply and ground circuits are malfunctioning.
  • Around view monitor control unit CAN communication circuits are malfunctioning.
  • Sonar control unit CAN communication circuits are malfunctioning.
  • Sonar control unit power supply and ground circuits.

    Refer to DIAGNOSIS PROCEDURE .

  • Around view monitor control unit CAN communication circuit.
  • Sonar control unit CAN communication circuit.
U1300
U1240
U125B
U1246
  • AV COMM CIRCUIT [U1300]
  • SWITCH CONN [U1240]
  • AROUND CAMERA CONN [U125B]
  • VIDEO DIST CONN [U1246]
AV communication circuits between AV control unit and multifunction switch are malfunctioning. AV communication circuits between AV control unit and multifunction switch.
U1300
U1240
U124E
U125B
U1246
  • AV COMM CIRCUIT [U1300]
  • SWITCH CONN [U1240]
  • AMP CONN [U124E]
  • AROUND CAMERA CONN [U125B]
  • VIDEO DIST CONN [U1246]