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Home >> Infiniti >> 2014 >> QX60 Base, FWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Entertainment Systems >> Audio, Visual & Navigation System (BOSE Audio W/NAVI W/Surround) (Except Hybrid) >> DTC/Circuit Diagnosis >> DTC U1300: Av Comm Circuit >> Description >> Self Diagnostic Result Display Item

Self Diagnostic Result Display Item

CONSULT Display DTC Detection Condition Possible Cause
  • AV COMM CIRCUIT [U1300]
  • SWITCH CONN [U1240]
When any of the following is detected:
  • A/C and AV switch assembly power supply or ground circuit malfunction.
  • AV communication circuit malfunction between AV control unit and A/C and AV switch assembly.
  • AV COMM CIRCUIT [U1300]
  • AMP CONN [U124E]
When any of the following is detected:
  • BOSE speaker amp. power supply or ground circuit malfunction.
  • AV communication circuits between AV control unit and BOSE speaker amp. are malfunctioning.
  • BOSE speaker amp. power supply and ground circuits.

    Refer to "BOSE AMP.: DIAGNOSIS PROCEDURE ".

  • AV communication circuits between AV control unit and BOSE speaker amp.
  • AV COMM CIRCUIT [U1300]
  • VIDEO DIST CONN [U1246]
When any of the following is detected:
  • video distributor power supply or ground circuit malfunction.
  • headrest display unit (driver seat) power supply or ground circuit malfunction.
  • AV communication circuit malfunction between AV control unit and headrest display unit (driver seat).
  • AV COMM CIRCUIT [U1300]
  • AROUND CAMERA CONN [U125B]
When any of the following is detected:
  • around view monitor control unit power supply or ground circuit malfunction.
  • AV communication circuit malfunction between AV control unit and around view monitor control unit.
  • AV COMM CIRCUIT [U1300]
  • SONAR CONN [U125C]
When any of the following is detected:
  • sonar control unit power supply or ground circuit malfunction.
  • AV communication circuit malfunction between AV control unit and sonar control unit.
  • AV COMM CIRCUIT [U1300]
  • SWITCH CONN [U1240]
  • SONAR CONN [U125C]
  • AROUND CAMERA CONN [U125B]
  • VIDEO DIST CONN [U1246]
AV communication circuit malfunction between AV control unit and A/C and AV switch assembly. AV communication circuits between AV control unit and A/C and AV switch assembly.
  • AV COMM CIRCUIT [U1300]
  • SWITCH CONN [U1240]
  • AMP CONN [U124E]
  • SONAR CONN [U125C]
  • AROUND CAMERA CONN [U125B]
  • VIDEO DIST CONN [U1246]