LEMON Manuals: Even more car manuals for everyone
Home >> Suzuki >> 2012 >> Equator RMZ-4 >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Cellular/Entertainment/Navigation/Audio >> Mid (Crew Cab), Premium Audio (King Cab) Audio >> Diagnostic Information and Procedures >> Microphone Signal Circuit Check >> Diagnosis Procedure

Diagnosis Procedure

DIAGNOSIS PROCEDURE

Step Action YES NO
1  CHECK HARNESS BETWEEN BLUETOOTH CONTROL UNIT AND MICROPHONE 
  1. Turn ignition switch OFF.
G06445514G06445515G06445516Courtesy of SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.

  1. Disconnect Bluetooth control unit connector B141 and microphone connector R8.
  2. 3. Check continuity between Bluetooth control unit harness connector B141 (A) and microphone harness connector R8 (B).
G06445514G06445515G06445516Courtesy of SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.

  1. 4. Check continuity between Bluetooth control unit harness connector B141 (A) and ground.
G06445514G06445515G06445516Courtesy of SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.

Are the continuity test results as specified? 		 GO TO 2 Repair harness or connector.
2  CHECK MICROPHONE POWER SUPPLY 
  1. Connect Bluetooth control unit connector B141 and microphone connector R8.
G06445517Courtesy of SUZUKI OF AMERICA CORP.

  1. 2. Turn ignition switch ON.
  2. 3. Check voltage between microphone harness connector R8 terminal 4 and ground.

    4 - Ground: Approx. 5V 


Is voltage reading approx. 5 volts? 		 GO TO 3 Replace Bluetooth control unit. Refer to [BLUETOOTH CONTROL UNIT: REMOVAL AND INSTALLATION ].
3  CHECK MICROPHONE SIGNAL 
Check signal between Bluetooth control unit harness connector B141 terminals 7 and 8 with SDT or and oscilloscope.
Are voltage readings as specified? 		 Replace Bluetooth control unit. Refer to [BLUETOOTH CONTROL UNIT: REMOVAL AND INSTALLATION ]. Replace microphone. Refer to [MICROPHONE: REMOVAL AND INSTALLATION ].
scientia non olet · About LEMON Manuals