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

Self-Diagnosis Results Display Item

DTC DETECTION CONDITION

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.
  • A/C and AV switch assembly power supply and ground circuits.
  • AV communication circuits between AV control unit and A/C and AV switch assembly.
  • AV COMM CIRCUIT [U1300]
  • HAND FREE CONN [U1256]
 When any of the following is detected:
  • Bluetooth® control unit power supply or ground circuit malfunction.
  • AV communication circuit malfunction between AV control unit and Bluetooth® control unit.
  • Bluetooth® control unit power supply and ground circuits.
  • AV communication circuits between AV control unit and Bluetooth® control unit.
  • AV COMM CIRCUIT [U1300]
  • SWITCH CONN [U1240]
  • HAND FREE CONN [U1256]
 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.
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