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AV-124 < COMPONENT DIAGNOSIS > [PREMIUM AUDIO (CREW CAB)] REAR DOOR TWEETER 1. Connect audio unit connector M66 and audio amp. connector 2. Turn ignition switch to ACC. 3. Push “POWER” switch. 4. Check the signal between audio unit harness connector M66 Is the audio signal voltage reading as specified? YES >> Replace audio amp. Refer to NO >> Replace audio unit. Refer to Connector Terminals Condition Reference signal (+) (-) M66 14 13 Receive 16 15 AWNIA1804ZZ SKIA0177E |