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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 >> Rear 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 rear door speaker connector.
G06445424G06445425G06445426Courtesy 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 rear door speaker harness connector (B).
G06445424G06445425G06445426Courtesy 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.
G06445424G06445425G06445426Courtesy 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  REAR DOOR SPEAKER SIGNAL CHECK 
  1. Connect audio unit connector and rear door speaker connector.
G06445427G06445428Courtesy 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.
G06445427G06445428Courtesy of SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.

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