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AV U1300 AV COMM CIRCUIT AV-217 < COMPONENT DIAGNOSIS > [BOSE AUDIO WITHOUT NAVIGATION] C D E F G H I J K L M B A O P U1300 AV COMM CIRCUIT Description INFOID:0000000003508683 U1300 is indicated when malfunction occurs in communication signal of multi AV system. Indicated simulta- SELF-DIAGNOSIS RESULTS DISPLAY ITEM DTC Display contents of CONSULT-III DTC Detection Condition Possible causes U1300 • 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 be- tween AV control unit and multi- U1300 • AV COMM CIRCUIT [U1300] • REAR CAMERA CONN Camera control unit power supply and ground circuits Camera control unit power supply U1300 • AV COMM CIRCUIT [U1300] • IPod CONN [U1254] When either one of the following items is detected: • iPod adapter power supply and ground circuits malfunc- tion is detected. • Malfunction is detected in AV communication circuits between AV control unit and iPod adapter. • iPod adapter power supply and ground circuits. • AV communication circuits be- tween AV control unit and iPod U1300 • AV COMM CIRCUIT [U1300] • HAND FREE CONN [U1256] When either one of the following items is detected: • TEL adapter unit power supply and ground circuits mal- function is detected. • Malfunction is detected in AV communication circuits between AV control unit and TEL adapter unit. • TEL adapter unit power supply and ground circuits. • AV communication circuits be- tween AV control unit and TEL U1300 • AV COMM CIRCUIT [U1300] • REAR CAMERA CONN • HAND FREE CONN [U1256] Malfunction is detected in AV communication circuits be- AV communication circuits between U1300 • AV COMM CIRCUIT [U1300] • SWITCH CONN [U1240] • IPod CONN [U1254] • HAND FREE CONN [U1256] Malfunction is detected in AV communication circuits be- AV communication circuits between U1300 • AV COMM CIRCUIT [U1300] • SWITCH CONN [U1240] • REAR CAMERA CONN • IPod CONN [U1254] • HAND FREE CONN [U1256] Malfunction is detected in AV communication circuits be- AV communication circuits between |