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AV-110 < SYMPTOM DIAGNOSIS > [AUDIO WITH NAVIGATION] MULTI AV SYSTEM SYMPTOMS • Check that the cellular phone is corresponding type (Bluetooth ® enabled) when the hands free related mal- function vehicle is in service before performing a diagnosis. • There is a case that malfunction occurs due to the version change of the phone type, etc. even though it is a corresponding type. Therefore, confirm it by changing the cellular phone to another corresponding type Trouble diagnosis chart by symptom RELATED TO STEERING WHEEL SWITCH Symptoms Check items Possible malfunction location/Action to take Does not recognize cellular Repeat the registration of cellular phone. NAVI control unit ( XX-XX, "*****" ) Hands free phone cannot be • Hands free phone operation can be made, but the communication cannot • Hands free phone operation can be performed, however, voice between NAVI control unit ( XX-XX, "*****" ) The other party's voice cannot Check the “microphone speaker ”in In- NAVI control unit ( AV-48, "CONSULT - III Function ) Check the “microphone speaker ”in In- TEL voice signal circuit Originating sound is not heard Sound operation function is normal. NAVI control unit ( XX-XX, "*****" ) Sound operation function does not work. Microphone signal circuit ( ) Symptoms Possible malfunction location/Action to take All steering switches are not operated. Steering switch signal ground circuit ( XX-XX, "*****" ) Only specified switch cannot be operated. Steering switch ( XX-XX, "*****" ) “ENTER”, “MENU UP”, “MENU DOWN” and “SOURCE” Steering switch signal A circuit ( XX-XX, "*****" ) “BACK”, “ ”, “VOL UP” and “VOL DOWN” switches are not operated. Steering switch signal B circuit ( XX-XX, "*****" ) |