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Home >> Infiniti >> 2010 >> EX35 Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 64 (Audio, Visual & Navigation System - Base Audio Without Navigation) >> Base Audio Without Navigation >> Component Diagnosis >> DTC U1300: Av Comm Circuit >> Description >> Self-Diagnosis Results Display Item
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Self-Diagnosis Results Display Item

WARNING: This page is about a different car, the 2008 Infiniti EX35. However, it is still accessible from the selected car via links, so may be relevant.
SELF-DIAGNOSIS RESULTS DISPLAY ITEM

DTC Display contents of CONSULT-III DTC Detection Condition Possible causes
U1300
U1240
  • AV COMM CIRCUIT [U1300]
  • SWITCH CONN [U1240]
When either one of the following items is detected:
  • Multifunction switch power supply and ground circuits malfunction is detected.
  • Malfunction is detected in AV communication circuits between AV control unit and multifunction switch.
  • Multifunction switch power supply and ground circuits.
  • AV communication circuits between AV control unit and multifunction switch.
U1300
U1252
  • AV COMM CIRCUIT [U1300]
  • REAR CAMERA CONN [U1252]
When either one of the following items is detected:
  • Camera control unit power supply and ground circuits malfunction is detected.
  • Malfunction is detected in AV communication circuits between camera control unit and the junction of AV control unit and AV control unit and multifunction switch.
  • Camera control unit power supply and ground circuits.
  • AV communication circuits between camera control unit and the junction of AV control unit and AV control unit and multifunction switch.
U1300
U1240
U1252
  • AV COMM CIRCUIT [U1300]
  • SWITCH CONN [U1240]
  • REAR CAMERA CONN [U1252]
Malfunction is detected in AV communication circuits between AV control unit and the junction of camera control unit and multifunction switch. AV communication circuits between AV control unit and the junction of camera control unit and multifunction switch.