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Diagnosis Procedure

DIAGNOSIS PROCEDURE

Step Action YES NO
1  SPEAKER HARNESS CHECK 
  1. Disconnect audio unit connector M64 and suspect speaker connector.
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  1. 2. Check continuity between audio unit harness connector M64 (A) and suspect speaker harness connector (B).
G06445478G06445479G06445480Courtesy of SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.

  1. 3. Check continuity between audio unit harness connector M64 (A) and ground.
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Are continuity test results as specified? 		 GO TO 2
  • Check connector housings for disconnected or loose terminals.
  • Repair harness or connector.
2  SPEAKER SIGNAL CHECK 
  1. Connect audio unit connector and audio amp. connector.
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  1. 2. Turn ignition switch ACC.
  2. 3. Push "POWER" switch.
  3. 4. Check the signal between audio unit harness connector M64 terminals with SDT or oscilloscope.
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Are the audio signal voltage readings as specified? 		 Replace suspect speaker. Refer to [FRONT TWEETER: REMOVAL AND INSTALLATION ]. Replace audio unit. Refer to [AUDIO UNIT: REMOVAL AND INSTALLATION ].
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