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AV-256 < SYMPTOM DIAGNOSIS > [WITH NAVIGATION] HANDS-FREE PHONE SYMPTOMS HANDS-FREE PHONE SYMPTOMS Symptom Table INFOID:0000000010714914 RELATED TO HANDS-FREE PHONE RELATED TO STEERING SWITCH Symptoms Check items Possible malfunction location/Action to take Does not recognize cellular Repeat the registration of cellular phone. NAVI control unit Hands-free phone cannot be — NAVI control unit power supply and ground circuit. AV-241, "NAVI CONTROL UNIT : Diagnosis The other party's voice cannot Audio system sound is normal. Sound signal (TEL voice, TEL guidance) circuit Audio system sound does not sound. Refer to Symptoms Possible malfunction location / Action to take All steering switches are not operated. Steering switch signal ground circuit. Refer to . Only specified switch cannot be operated. Replace steering switch. Refer to AV-273, "Removal and Installation" . “SOURCE”, “MENU UP”, “MENU DOWN”, “TEL” and “EN- Steering switch signal A circuit. . “VOL DOWN”, “VOL UP”, “TEL END”, “SEEK UP” and “SEEK Steering switch signal B circuit. . |