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AV-36 < DTC/CIRCUIT DIAGNOSIS > [MONOCHROME DISPLAY - W/O BOSE] REAR DOOR SPEAKER REAR DOOR SPEAKER Description INFOID:0000000009471178 The audio unit sends audio signals to the rear door speakers using the rear door speaker circuits. Diagnosis Procedure INFOID:0000000009471179 Regarding Wiring Diagram information, refer to AV-54, "Wiring Diagram - Without BOSE Audio system" 1. CONNECTOR CHECK Check the audio unit 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 audio unit connector M133 (A) and suspect speaker connector. 2. Check continuity between audio unit harness connector M133 (A) and suspect speaker harness connector (B). 3. Check continuity between audio unit harness connector M133 (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 M133 4 D209 1 Yes 5 2 13 D309 1 14 2 A — Continuity Connector Terminal M133 4 Ground No 5 13 14 AWNIA0033ZZ |