Nissan Sentra. Manual — part 6
AV-16
< SYSTEM DESCRIPTION >
[BASE AUDIO]
DIAGNOSIS SYSTEM (AUDIO UNIT)
DIAGNOSIS SYSTEM (AUDIO UNIT)
Diagnosis Description
INFOID:0000000009758802
The audio unit on board diagnosis performs the functions listed in the table below:
On Board Diagnosis Function
INFOID:0000000009758803
METHOD OF STARTING
Hardware/Software Versions and Speaker Channel Check
1. Turn the ignition ON.
2. Turn the audio system OFF.
3. While pressing the preset 1 button, turn the volume control dial
clockwise or counterclockwise 30 clicks or more.
4. Initially, all display segments will be illuminated.
5. To exit hardware/software versions and speaker channel check, turn the ignition OFF.
Communication Diagnosis
1. Turn the ignition ON.
2. Turn the audio system OFF.
Mode
Description
Hardware/Software Versions
The following information is available for the audio unit:
• hardware version.
• software version.
• EQ pin info.
Speaker Channel Check
The connection of the speakers to the audio unit can be confirmed.
Communication Diagnosis
The AV communication (M-CAN) message history can be monitored.
ALNIA1381GB
ALNIA1382GB
AV
DIAGNOSIS SYSTEM (AUDIO UNIT)
AV-17
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3. While pressing the preset 6 button, turn the volume control dial
clockwise or counterclockwise 30 clicks or more.
4. Initially, the communication diagnosis mode is displayed.
5. To exit communication diagnosis, turn the ignition OFF.
SELF DIAGNOSIS MODE
Hardware/Software Versions
1. Press the DISP button to enter versions display, and the audio
head unit software version is displayed.
2. With each additional press of the DISP button, the following information is available:
-
HARD V###### (hardware version)
-
EEP V###### (EEPROM version)
-
@@@@ EQ1-4 # (EQ pin info)
If an EQ error is present, INVALID EQ is displayed
3. Hold the DISP button down to return to all display segments screen.
Speaker Channel Check
ALNIA1385GB
ALNIA1387GB
ALNIA1383GB
AV-18
< SYSTEM DESCRIPTION >
[BASE AUDIO]
DIAGNOSIS SYSTEM (AUDIO UNIT)
1. Press the RPT/DRM button to enter speaker channel check, and
the front left tweeter (front tweeter LH) is displayed.
2. With each additional press of the RPT/DRM button, the following information is available:
-
FR RIGHT TWEETER (front tweeter RH)
-
FR RIGHT (front door speaker RH)
-
RR RIGHT (rear speaker RH)
-
RR LEFT (rear speaker LH)
-
FR LEFT (front door speaker LH)
3. Hold the RPT/DRM button down to return to all display segments screen.
Communication Diagnosis
1. Press the DISP button, and the M-CAN message transmission
error history screen is displayed.
2. Press the DISP button again, and the TEL $$ nn (CMF message reception error history from M-CAN TEL)
screen is displayed.
3. Press the DISP button again, and the TROUBLE DEL. (deletion of M-CAN message communication his-
tory) screen is displayed. To retain the M-CAN message communication history and return to the commu-
nication diagnosis mode screen, press the DISP button.
4. To proceed to the M-CAN message communication history deletion screen, press the SEEK/TRACK
button. The REC DEL-NO? (selection of M-CAN message communication history deletion) screen is dis-
played. To cancel M-CAN message communication history deletion, wait 6 seconds and you will be
returned to the TROUBLE DEL. (deletion of M-CAN message communication history) screen. To proceed
with M-CAN message communication history deletion, press the SEEK/TRACK button again.
5. The REC DEL-YES?@ (selection of M-CAN message communication history deletion) screen is dis-
played. To cancel M-CAN message communication history deletion, press the SEEK/TRACK button
and you will be returned to the REC DEL-NO? (selection of M-CAN message communication history dele-
tion) screen. To proceed with M-CAN message communication history deletion, wait 6 seconds and the
communication history deletion will be executed. After the communication history deletion has been exe-
cuted, you will be returned to the TROUBLE DEL. (deletion of M-CAN message communication history)
screen. To return to the communication diagnosis mode screen, press the DISP button.
ALNIA1384GB
ALNIA1386GB
AV
DIAGNOSIS SYSTEM (BLUETOOTH® CONTROL UNIT)
AV-19
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DIAGNOSIS SYSTEM (BLUETOOTH® CONTROL UNIT)
Diagnosis Description
INFOID:0000000009758804
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 techni-
cian 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.
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
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:0000000009758805
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Failure Message
Action
“Internal failure”
Replace Bluetooth
®
control unit. Refer to
AV-68, "Removal and Installation"
.
“Bluetooth
®
antenna open”
1.
Inspect harness connection.
2.
Replace Bluetooth
®
antenna. Refer to
AV-68, "Removal and Installation"
“Bluetooth
®
antenna shorted”
“Phone/Send for Hands Free System is stuck”
Check steering 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-69, "Removal and Installation"
.
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