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AV-438 < SYMPTOM DIAGNOSIS > [BOSE AUDIO WITH NAVIGATION] MULTI AV SYSTEM SYMPTOMS RELATED TO CAMERA Models without BSW and LDW Models with BSW and LDW RELATED TO VOICE CONTROL RELATED TO RGB IMAGE The system cannot be operat- • The voice recognition can be controlled. DOWN” and “ ” switch works, but “ ” it does not work. Steering switch malfunction. Steering switch's “ ”, ”VOL UP”, “VOL DOWN” and “ ” switches 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 Symptoms Check items Probable malfunction location Camera image is not shown. — Camera image signal circuit. . 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. . Symptoms Check items Probable malfunction location Camera image is not displayed. — Reverse signal circuit malfunction (camera control unit). Camera image does not switch. — Reverse signal circuit malfunction (AV control unit). Symptoms Check items Probable malfunction location The voice cannot be controlled Voice sounds at “Voice Microphone Test” AV control unit malfunction. . Voice does not sound at “Voice Micro- Microphone signal circuit malfunction. . The voice cannot be controlled • Hands-free phone system can be oper- ated. • Steering switch's “SOURCE”, “MENU UP”, “MENU DOWN” and “ENTER” switch works, but “ ” it does not work. Steering switch malfunction. . Steering switch's “SOURCE”, “MENU UP”, “MENU DOWN”, “ ” and “ENTER” switches do not work. Steering switch signal A circuit malfunction. . All steering switches do not work. Steering switch ground circuit malfunction. . |