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AV REAR DOOR SPEAKER AV-179 < DTC/CIRCUIT DIAGNOSIS > [AUDIO W/O NAVI (FOR MEXICO)] C D E F G H I J K L M B A O P REAR DOOR SPEAKER Diagnosis Procedure INFOID:0000000010385231 Regarding Wiring Diagram information, refer to . 1. CONNECTOR CHECK Check the AV control unit and speaker connectors for the following: • Proper connection • Damage • Disconnected or loose terminals YES >> GO TO 2 NO >> Repair the terminals or connectors. 2. CHECK REAR DOOR SPEAKER SIGNAL CIRCUIT CONTINUITY 1. Disconnect AV control unit connector M150 and suspect rear door speaker connector. 2. Check continuity between AV control unit connector M150 and suspect rear door speaker connector. 3. Check continuity between AV control unit connector M150 and ground. Is the inspection result normal? YES >> GO TO 3 NO >> Repair or replace harness or connectors. 3. CHECK REAR DOOR SPEAKER SIGNAL 1. Connect AV control unit connector M150 and suspect rear door speaker connector. 2. Turn power switch to ACC. 3. Push AV control unit POWER switch. 4. Check signal between terminals of AV control unit connector M150. AV control unit Rear door speaker Continuity Connector Terminal Connector Terminal M150 4 D205 (LH) 1 Yes 5 2 13 D305 (RH) 1 14 2 AV control unit Ground Continuity Connector Terminal M150 4 — No 5 13 14 AV control unit connector M150 Condition Reference value (+) ( −) Terminal Terminal |