Nissan Versa
Sedan Service Manual
Driver information & multimedia » Audio, visual & navigation system (AV)
Diagnosis system (bluetooth control unit)

Diagnosis Description

The Bluetooth control unit has two diagnostic checks. The first diagnostic check is performed automatically every ignition cycle during control unit initialization. The second diagnostic check is performed by the technician using the steering wheel audio control switches prior to trouble diagnosis.

Bluetooth CONTROL UNIT INITIALIZATION CHECKS

Internal control unit failure
Bluetooth antenna connection open or shorted
Steering wheel audio control switches [ (PHONE/SEND), (PHONE/END)] stuck closed
Vehicle speed pulse count
Microphone connection test (with playback to operator)
Bluetooth inquiry check

OPERATION PROCEDURE

1. Turn ignition switch to ACC or ON.

2. Wait for the Bluetooth system to complete initialization. This may take up to 20 seconds.

3. Press and hold the steering wheel audio control switch (PHONE/SEND) button for at least 5 seconds. The Bluetooth system will begin to play a verbal prompt.

OPERATION PROCEDURE

4. While the prompt is playing, press and hold the steering wheel audio control switch (PHONE/END) button until you hear the "Diagnostics mode" prompt. The Bluetooth system will sound a 5-second beep.

5. While the beep is sounding, press and hold the steering wheel audio control switch (PHONE/END) button again until you hear prompts.

6. The Bluetooth system has now entered into the diagnostic mode. Results of the diagnostic checks will be verbalized to the technician. Refer to AV "Work Flow".

7. After the failure records are reported, an interactive microphone test will be performed. Follow the voice prompt. If the microphone test fails, refer to AV "Work Flow".

OPERATION PROCEDURE

Work Flow

Failure Message	Action
"Internal failure"	Replace Bluetooth control unit. Refer to AV "Removal and Installation".
"Bluetooth antenna open"	1. Inspect harness connection. 2. Replace Bluetooth antenna. Refer to AV "Removal and Installation".
"Bluetooth antenna shorted"
"Phone/Send for Hands Free System is stuck"	Check steering wheel audio control switches. Refer to AV "Diagnosis Procedure"."
Proce" Phone/End for the Hands Free System is stuck"
"Microphone test" (failed interactive test)	1. Inspect harness between Bluetooth control unit and microphone. 2. Replace microphone. Refer to AV "Removal and Installation".