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AV-308 < DTC/CIRCUIT DIAGNOSIS > [NAVIGATION] FRONT DOOR SPEAKER Is the inspection result normal? YES >> Replace front door speaker. Refer to AV-351, "Removal and Installation" NO >> GO TO 4. 4. CHECK PRE-AMP SIGNAL CIRCUIT CONTINUITY 1. Disconnect AV control unit connector M96 and audio amplifier connector B159. 2. Check continuity between AV control unit connector M96 and audio amplifier connector B159. 3. Check continuity between AV control unit connector M96 and ground. Is the inspection result normal? YES >> GO TO 5. NO >> Repair or replace harness or connectors. 5. CHECK PRE-AMP SIGNAL 1. Connect AV control unit connector M96 and audio amplifier connector B159. 2. Turn ignition switch to ACC. 3. Push AV control unit POWER switch. 4. Check signal between the terminals of AV control unit connector M96. Is the inspection result normal? 15 31 Audio signal output 16 32 SKIA0177E AV control unit Audio amplifier Continuity Connector Terminal Connector Terminal M96 2 B159 22 Yes 3 6 11 21 12 5 AV control unit Ground Continuity Connector Terminal M96 2 — No 3 11 12 AV control unit connector M96 Condition Reference value (+) ( −) Terminal Terminal 2 3 Audio signal output 11 12 SKIA0177E |