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AV REAR DOOR SPEAKER AV-187 < DTC/CIRCUIT DIAGNOSIS > [BOSE AUDIO WITHOUT NAVIGATION] C D E F G H I J K L M B A O P REAR DOOR SPEAKER Description INFOID:0000000006246614 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 rear door speakers using the audio signal circuits. Diagnosis Procedure INFOID:0000000006246615 Regarding Wiring Diagram information, refer to AV-226, "Wiring Diagram - Without Navigation System" 1. CONNECTOR CHECK Check the AV control unit, BOSE speaker amp. and speaker connectors for the following: • Proper connection • Damage • Disconnected or loose terminals YES >> GO TO 2. NO >> Repair the terminal and connector. 2. HARNESS CHECK 1. Disconnect BOSE speaker amp. connectors B75 and suspect speaker connector. 2. Check continuity between BOSE speaker amp. harness connec- tors B75 (A) and suspect speaker harness connector (B). 3. Check continuity between BOSE speaker amp. harness connec- tors B75 (A) and ground. Are the continuity results as specified? YES >> GO TO 3. NO >> • Check connector housings for disconnected or loose terminals. • Repair harness or connector. 3. REAR DOOR SPEAKER SIGNAL CHECK A B Continuity Connector Terminal Connector Terminal B75 9 D207 1 Yes 10 2 11 D307 1 12 2 Connector Terminal - Continuity B75 9 Ground No 10 11 12 ALNIA0533GB 2011 Pathfinder |