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Test 104A - No Sound From One Speaker

CAUTION: Always turn ignition off prior to disconnecting any module connector.
NOTE: For connector terminal identification, see CONNECTOR IDENTIFICATION . For wiring diagrams, see WIRING DIAGRAMS - 3.0L article in ENGINE PERFORMANCE. Perform TEST VER-1 after each repair.
  1. Turn radio on. If inoperative speaker is not a rear speaker, go to step 6). If inoperative speaker is a rear speaker, disconnect inoperative rear speaker connector and go to next step.
  2. Using scan tool in voltmeter mode, check voltage on inoperative speaker connector terminal No. 4 (White/Red wire on left rear speaker; Tan/Black wire on right rear speaker). If voltage is less than 5 volts, go to TEST 104B. If voltage is more than 5 volts, go to next step.
  3. Check voltage on inoperative speaker connector terminal No. 3 (White/Violet wire on left rear speaker; Tan/Violet wire on right rear speaker). If voltage is less than 5 volts, go to TEST 104B. If voltage is more than 5 volts, go to next step.
  4. Check voltage on inoperative speaker connector terminal No. 1 (White/Black wire on left rear speaker; Tan/Red wire on right rear speaker). If voltage is less than 5 volts, go to TEST 104C. If voltage is more than 5 volts, go to next step.
  5. Check voltage on inoperative speaker connector terminal No. 2 (White/Dark Green wire on left rear speaker; Tan/Dark Green wire on right rear speaker). If voltage is less than 5 volts, go to TEST 104C . If voltage is more than 5 volts, replace speaker.
  6. Disconnect inoperative speaker connector. Using scan tool in voltmeter mode, check voltage on inoperative speaker connector terminal No. 2 (Yellow/Red wire on left instrument panel speaker; Orange/Red wire on right instrument panel speaker; Brown/Red wire on left door speaker; Dark Blue/Red wire on right door speaker). If voltage is less than 5 volts, go to TEST 104B. If voltage is more than 5 volts, go to next step.
  7. Check voltage on inoperative speaker connector terminal No. 1 (Yellow/Black wire on left instrument panel speaker; Orange/Black wire on right instrument panel speaker; Dark Green wire on left door speaker; Violet wire on right door speaker). If voltage is less than 5 volts, go to TEST 104C . If voltage is more than 5 volts, replace speaker.
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