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AV INSTRUMENT PANEL SPEAKER/TWEETER AV-151 < DTC/CIRCUIT DIAGNOSIS > [MID AUDIO WITHOUT BOSE] C D E F G H I J K L M B A O P INSTRUMENT PANEL SPEAKER/TWEETER Diagnosis Procedure INFOID:0000000009174475 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 INSTRUMENT PANEL TWEETER SIGNAL CIRCUIT CONTINUITY 1. Disconnect AV control unit connector M125 and suspect instrument panel tweeter connector. 2. Check continuity between AV control unit connector M125 and suspect instrument panel tweeter connec- tor. 3. Check continuity between AV control unit connector M125 and ground. Is the inspection result normal? YES >> GO TO 3 NO >> Repair or replace harness or connectors. 3. CHECK INSTRUMENT PANEL TWEETER SIGNAL 1. Connect AV control unit connector M125 and suspect instrument panel tweeter connector. 2. Turn ignition switch to ACC. 3. Push AV control unit POWER switch. 4. Check the signal between the terminals of AV control unit connector M125. AV control unit Instrument panel tweeter Continuity Connector Terminal Connector Terminal M125 34 M62 (LH) 1 Yes 35 2 43 M73 (RH) 1 44 2 AV control unit Ground Continuity Connector Terminal M125 34 — No 35 43 44 AV control unit connector M125 Condition Reference value (+) ( −) Terminal Terminal |