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NAVIGATION SYSTEM AV-101 C D E F G H I J L M A B AV Guide Sound Is Not Heard EKS001M7 1. CHECK VOICE GUIDE SETTING ● While driving in the dark pink route, voice guide does not operate. (note) ● Is volume setting not switched ON? NOTE: ● on the map). There- fore, guidance may not be given even when the route on the map changes direction. YES or NO YES >> GO TO 2. NO >> Switch the setting ON and turn the volume up. 2. HARNESS CHECK 1. Turn ignition switch OFF. 2. Disconnect AV and NAVI control unit connector and Bose speaker amp. connector. 3. Check continuity between AV and NAVI control unit and Bose speaker amp. 4. Check continuity between AV and NAVI control unit and ground. OK or NG OK >> GO TO 3. NG >> Repair harness. 3. VOICE GUIDE CHECK 1. Connect AV and NAVI control unit connector and Bose speaker amp. connector. 2. Turn ignition switch ON. 3. Check the signal between AV and NAVI control unit harness OK or NG OK >> Replace Bose speaker amp. NG >> Replace AV and NAVI control unit Terminals Continuity AV and NAVI control unit (+) Bose speaker amp. (–) Connector Terminal (Wire color) Connector Terminal (Wire color) B30 7 (R) B231 1 (R) YES B30 8 (L) B231 2 (L) YES Terminals Continuity AV and NAVI control unit (+) (–) Connector Terminal (Wire color) B30 7 (R),8 (L) Ground NO SKIA3560E 7 (R) - 8 (L) : Refer to and Reference Value for AV SKIA3529E |