Diagnosis Description

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 (AUTOMATIC INITIALIZATION) CHECK

- 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

BLUETOOTH CONTROL UNIT (STEERING WHEEL AUDIO CONTROL SWITCHES) CHECK

1.Turn ignition switch to ACC or ON.
2.Wait for the Bluetooth system to complete automatic initialization check. This may take up to 10 seconds.





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





4.While the prompt is playing, press and hold the steering wheel audio control switches (PHONE/END) switch 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) switch 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. Premium Audio.
7.After the failure records are reported, an interactive microphone test will be performed. Follow the voice prompt. If the microphone test fails Premium Audio.
8.Self-diagnosis mode is complete when the voice prompt says "All diagnostic functions completed".