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AUDIO SYSTEM DIAGNOSIS CONDITION POSSIBLE CAUSES CORRECTION NO AUDIO 1. Fuse inoperative. 1. Check radio fuse and Ignition-Off Draw (IOD) 2. Radio connector 2. Check for loose or corroded radio connector. 3. Wiring damaged. 3. Check for shorted or open wires. Repair wiring, 4. Radio ground damaged. 4. Check for continuity between radio chassis and 5. Radio inoperative. 5. Refer to appropriate Diagnostic Service 6. Speakers inoperative. 6. Replace speaker as necessary. NO RADIO DISPLAY 1. Fuse inoperative. 1. Check radio fuse and Ignition-Off Draw (IOD) 2. Radio connector 2. Check for loose or corroded radio connector. 3. Wiring damaged. 3. Check for battery voltage at radio connector. 4. Radio ground damaged. 4. Check for continuity between radio chassis and 5. Radio inoperative. 5. Refer to appropriate Diagnostic Service CLOCK WILL NOT KEEP 1. Fuse inoperative. 1. Check Ignition-Off Draw (IOD) fuse in the 2. Radio connector 2. Check for loose or corroded radio connector. 3. Wiring damaged. 3. Check for battery voltage at radio connector. 4. Radio ground damaged. 4. Check for continuity between radio chassis and 5. Radio inoperative. 5. Refer to appropriate Diagnostic Service POOR RADIO RECEPTION 1. Antenna inoperative. 1. (Refer to 8 - ELECTRICAL/AUDIO/ANTENNA 2. Radio ground damaged. 2. Check for continuity between radio chassis and 3. Radio noise suppression 3. Repair or replace ground strap as necessary. 4. Radio inoperative. 4. Refer to appropriate Diagnostic Service 8A - 2 AUDIO/VIDEO PL/SRT-4 AUDIO/VIDEO (Continued) 2004 PL/SRT-4 Service Manual September, 2003 |