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Home >> Suzuki >> 2011 >> Grand Vitara Limited, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 127 (Audio Visual/Navigation) >> Base Audio >> Diagnostic Information and Procedures >> Front Tweeter 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 front tweeter connector.
G06445419G06445420G06445421Courtesy of SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.

  1. 2. Check continuity between audio unit harness connector M43 (A) and suspect front tweeter harness connector (B).
G06445419G06445420G06445421Courtesy of SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.

  1. 3. Check continuity between audio unit harness connector M43 (A) and ground.
G06445419G06445420G06445421Courtesy of SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.

Are the continuity results as specified? 		 GO TO 2
  • Check connector housings for disconnected or loose terminals.
  • Repair harness or connector.
2  FRONT TWEETER SIGNAL CHECK 
  1. Connect audio unit connector M43 and front tweeter connector.
G06445422G06445423Courtesy 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.
G06445422G06445423Courtesy of SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.

Is the audio signal voltage as specified? 		 Replace the suspect front tweeter. Refer to [FRONT TWEETER: REMOVAL AND INSTALLATION ]. Replace audio unit. Refer to [AUDIO UNIT: REMOVAL AND INSTALLATION ].
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