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AV-270 < SYMPTOM DIAGNOSIS > [BOSE AUDIO WITHOUT NAVIGATION] MULTI AV SYSTEM SYMPTOMS RELATED TO CAMERA RELATED TO RGB IMAGE Symptoms Check items Probable malfunction location Does not recognize cellular Repeat the registration of cellular phone. TEL adapter unit malfunction. AV-293, "Removal and Installation" . Hands-free phone cannot be Both the reception and the speech cannot • Perform “Self Diagnostic Result” of “MULTI AV” with . • No malfunction. TEL adapter unit malfunction. AV-293, "Removal and Installation" . • Malfunction is detected. Perform detected DTC diagnosis. . The other party's voice cannot Steering switch's “
” switch works. TEL voice signal circuit malfunction between TEL adapt- Steering switch's “
” switch do not work. Control signal circuit malfunction. . Originating sound is not heard Sound operation function is normal. TEL adapter unit malfunction. AV-293, "Removal and Installation" Sound operation function does not work. Microphone signal circuit malfunction. . The system cannot be operat- Steering switch's “SOURCE”, “MENU but “
” it does not work. Steering switch malfunction. Steering switch's “SOURCE”, “MENU UP”, “MENU DOWN” and “
” switch- es do not work. Steering switch signal B circuit malfunction. . All steering switches do not work. Steering switch ground circuit malfunction. . Symptoms Check items Probable malfunction location Camera image is not shown. AUX image is displayed. Camera image signal circuit. . AUX image is not displayed. Composite image signal circuit. . Camera image is not shown. — • Horizontal synchronizing (HP) signal circuit malfunc- tion between AV control unit and display unit. Refer to . • Vertical synchronizing (VP) signal circuit malfunction between AV control unit and display unit. Refer to Camera image does not switch. “Reverse” is not turned ON on “Vehicle Reverse signal circuit malfunction. “Reverse” is turned ON on “Vehicle Sig- AV control unit malfunction. . |