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Home >> Suzuki >> 2011 >> Grand Vitara Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 127 (Audio Visual/Navigation) >> Base Audio >> Diagnostic Information and Procedures >> Front Door Speaker Circuit Check >> Diagnosis Procedure
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Diagnosis Procedure

WARNING: This page is about a different car, the 2011 Suzuki Equator. However, it is still accessible from the selected car via links, so may be relevant.

Regarding Wiring Diagram information, refer to [AUDIO UNIT: WIRING DIAGRAM [BASE AUDIO] ].

DIAGNOSIS PROCEDURE

Step Action YES NO
1  HARNESS CHECK 
  1. Disconnect audio unit connector M43 and suspect speaker connector.
G06445414G06445415G06445416Courtesy of SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.

  1. 2. Check continuity between audio unit harness connector M43 (A) terminal and suspect speaker harness connector (B) terminal.
G06445414G06445415G06445416Courtesy of SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.

  1. 3. Check continuity between audio unit harness connector M43 (A) terminal and ground.
G06445414G06445415G06445416Courtesy of SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.

Are continuity results as specified? 		 GO TO 2
  • Check connector housings for disconnected or loose terminals.
  • Repair harness or connector.
2  FRONT SPEAKER SIGNAL CHECK 
  1. Connect audio unit connector M43 and front speaker connector.
G06445417G06445418Courtesy of SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.

  1. 2. Turn ignition switch to ACC.
  2. 3. Push "POWER" switch.
  3. 4. Check the signal between audio unit harness connector M43 terminals with SDT or oscilloscope.
G06445417G06445418Courtesy of SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.

Is the audio signal voltage as specified? 		 Replace speaker. Refer to [FRONT DOOR SPEAKER: REMOVAL AND INSTALLATION ]. Replace audio unit. Refer to [AUDIO UNIT: REMOVAL AND INSTALLATION ].
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