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AV-476 < SYMPTOM DIAGNOSIS > [COLOR DISPLAY - W/ BOSE] AUDIO SYSTEM Symptoms Check items Probable malfunction location Does not recognize cellular phone connec- Repeat the registration of cellular phone. • Malfunction in Bluetooth ® control unit. Replace Bluetooth ® control unit. Refer to AV-503, "Removal and Installation" . • Malfunction in AV control unit. Replace Hands-free phone cannot be established. • Hands-free phone operation can be made, but the communication cannot be • Hands-free phone operation can be per- formed, however, voice between each The other party’s voice cannot be heard by Check the “microphone speaker” in Inspec- Originating sound is not heard by the other Sound operation function is normal. Sound operation function does not work. Microphone signal circuit malfunction. . The system cannot be operated. • The voice recognition can be controlled. ume UP switch works, but does not work. Steering switch malfunction. Steering switch’s , volume DOWN and volume UP switches do not work. Steering switch signal circuit malfunction. . All steering switches do not work. Steering switch ground circuit malfunction. . |