Toyota
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".

ECU DIAGNOSIS INFORMATION

AUDIO UNIT

Reference Value

TERMINAL LAYOUT

TERMINAL LAYOUT

PHYSICAL VALUES

PHYSICAL VALUES

PHYSICAL VALUES

PHYSICAL VALUES

BLUETOOTH CONTROL UNIT

Reference Value

TERMINAL LAYOUT

TERMINAL LAYOUT

PHYSICAL VALUES

PHYSICAL VALUES

PHYSICAL VALUES

PHYSICAL VALUES

WIRING DIAGRAM

DISPLAY AUDIO

Wiring Diagram

Wiring Diagram

Wiring Diagram

Wiring Diagram

Wiring Diagram

Wiring Diagram

Wiring Diagram

Wiring Diagram

Wiring Diagram

Wiring Diagram

Wiring Diagram

Wiring Diagram

BASIC INSPECTION

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

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