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AV DIAGNOSIS SYSTEM (BLUETOOTH® CONTROL UNIT) AV-27 < SYSTEM DESCRIPTION > [AUDIO W/O NAVI (EXCEPT MEXICO)] C D E F G H I J K L M B A O P DIAGNOSIS SYSTEM (BLUETOOTH® CONTROL UNIT) Diagnosis Description INFOID:0000000010122471 The Bluetooth ® control unit has two diagnostic checks. The first diagnostic check is performed automatically every power 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 ® 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) ® inquiry check OPERATION PROCEDURE 1. Turn power switch to ACC or ON. ® 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. 4. While the prompt is playing, press and hold the steering wheel audio control switch (PHONE/END) button until you hear the ® 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 7. After the failure records are reported, an interactive microphone test will be performed. Follow the voice prompt. If the micro- phone test fails, refer to Work Flow INFOID:0000000010122472 AWNIA3008ZZ AWNIA3009ZZ Failure Message Action “Internal failure” Replace Bluetooth ® control unit. Refer to AV-73, "Removal and Installation" . “Bluetooth ® antenna open” 1. Inspect harness connection. 2. Replace Bluetooth ® antenna. Refer to AV-73, "Removal and Installation" “Bluetooth ® antenna shorted” “Phone/Send for Hands Free System is stuck” Check steering wheel audio control switches. Refer to “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-72, "Removal and Installation" . |