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AV FRONT TWEETER AV-391 < COMPONENT DIAGNOSIS > [BOSE AUDIO WITH NAVIGATION] C D E F G H I J K L M B A O P FRONT TWEETER Description INFOID:0000000005259601 The AV control unit sends audio signals to the BOSE speaker amp. The BOSE speaker amp. amplifies the audio signals before sending them to the tweeters using the audio signal circuits. Diagnosis Procedure INFOID:0000000005259602 Regarding Wiring Diagram information, refer to . 1. HARNESS CHECK 1. Disconnect BOSE speaker amp. connector B75 and suspect tweeter connector. 2. Check continuity between BOSE speaker amp. harness connec- tor B75 (A) and suspect tweeter harness connector (B). 3. Check continuity between BOSE speaker amp. harness connec- tor B75 (A) and ground. Are continuity test results as specified? YES >> GO TO 2 NO >> • Check connector housings for disconnected or loose terminals. • Repair harness or connector. 2. FRONT TWEETER SIGNAL CHECK A B Continuity Connector Terminal Connector Terminal B75 13 M109 1 Yes 14 2 15 M111 1 16 2 A — Continuity Connector Terminal B75 13 Ground No 14 15 16 ALNIA0530GB 2010 Pathfinder 2010 Pathfinder |