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AV-116 < COMPONENT DIAGNOSIS > [PREMIUM AUDIO (CREW CAB)] FRONT TWEETER FRONT TWEETER Description INFOID:0000000005274949 The audio unit sends audio signals to the audio amp. The audio amp. amplifies the audio signals before send- Diagnosis Procedure INFOID:0000000005274950 Regarding Wiring Diagram information, refer to . 1. HARNESS CHECK 1. Disconnect audio amp. connector B159 and suspect tweeter 2. Check continuity between audio amp. harness connector B159 3. Check continuity between audio amp. harness connector B159 Are continuity test results as specified? YES >> GO TO 2 NO >> • Check connector housings for disconnected or loose terminals. • Repair harness or connector. 2. FRONT TWEETER SIGNAL CHECK A B Continuity Connector Terminal Connector Terminal B159 14 M107 1 Yes 30 2 13 M108 1 29 2 A — Continuity Connector Terminal B159 14 Ground No 30 13 29 ALNIA0722GB |