Diagnosis Procedure

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

Step	Action	YES	NO
1	HARNESS CHECK  Disconnect audio unit connector M43 and suspect front tweeter connector. Courtesy of SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP. 2. Check continuity between audio unit harness connector M43 (A) and suspect front tweeter harness connector (B). Courtesy of SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP. 3. Check continuity between audio unit harness connector M43 (A) and ground. Courtesy 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  Connect audio unit connector M43 and front tweeter connector. Courtesy of SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP. 2. Turn ignition switch to ACC. 3. Push "POWER" switch. 4. Check the signal between audio unit harness connector M43 terminals with SDT or oscilloscope. Courtesy 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 ].