Nissan Maxima Service and Repair Manual: Diagnosis system (audio unit)
Diagnosis Description
Self-diagnosis mode can perform the following items.
- Versions display
- Channel check diagnosis
- Key check diagnosis
- AV communication diagnosis
VERSIONS DISPLAY FUNCTION
- Turn ignition switch ON.
- Turn the audio unit off.
- While pressing "1" button, turn volume control dial clockwise or
counterclockwise for 30 clicks or more.
![Nissan Maxima. VERSIONS DISPLAY FUNCTION](/images/manuals/399/nissan_maxima_diagnosis_system_audio_unit__6761.jpg)
- Diagnosis default screen of audio display unit is displayed.
NOTE: Diagnosis default screen = All
icons and segments of the audio display unit are turned on.
- Pressing the AUDIO switch briefly displays the version display mode.
Pressing the AUDIO switch briefly switches to each version display.
Pressing and holding the AUDIO switch when displaying each software
version returns to the diagnosis default screen.
![Nissan Maxima. VERSIONS DISPLAY FUNCTION](/images/manuals/399/nissan_maxima_diagnosis_system_audio_unit__6762.jpg)
- Self-diagnosis mode is canceled when the ignition switch is turned OFF.
CHANNEL CHECK DIAGNOSIS FUNCTION
- Turn ignition switch ON.
- Turn the audio unit off.
- While pressing the "1" button, turn the volume control dial clockwise
or counterclockwise for 30 clicks or more.
![Nissan Maxima. CHANNEL CHECK DIAGNOSIS FUNCTION](/images/manuals/399/nissan_maxima_diagnosis_system_audio_unit__6763.jpg)
- The diagnosis default screen of audio display unit is displayed.
NOTE: Diagnosis default screen = All icons and segments
of the audio display unit are turned on.
- Turning the TUNE/FOLDER dial clockwise displays the channel check mode.
Pressing and holding the AUDIO switch during each channel check or
waiting approximately 1 second after finishing all channel checks returns
to the diagnosis default screen.
![Nissan Maxima. CHANNEL CHECK DIAGNOSIS FUNCTION](/images/manuals/399/nissan_maxima_diagnosis_system_audio_unit__6764.jpg)
- Self-diagnosis mode is canceled when the ignition switch is turned OFF.
KEY CHECK DIAGNOSIS FUNCTION
- Turn ignition switch ON.
- Turn the audio unit off.
- While pressing the "1" button, turn the volume control dial
clockwise or counterclockwise for 30 clicks or more.
![Nissan Maxima. KEY CHECK DIAGNOSIS FUNCTION](/images/manuals/399/nissan_maxima_diagnosis_system_audio_unit__6765.jpg)
- The diagnosis default screen of audio display unit is displayed.
NOTE: Diagnosis default screen = All
icons and segments of the audio display unit are turned on.
- Turning the TUNE/FOLDER dial counterclockwise displays the key check
mode, and the pressed switch name is shown. Pressing and holding the
AUDIO switch during the key check mode returns to the diagnosis default
screen.
![Nissan Maxima. KEY CHECK DIAGNOSIS FUNCTION](/images/manuals/399/nissan_maxima_diagnosis_system_audio_unit__6766.jpg)
- Self-diagnosis mode is canceled when the ignition switch is turned OFF.
AV COMMUNICATION DIAGNOSIS FUNCTION
- Turn ignition switch ON.
- Turn the audio unit off.
- While pressing the "6" button, turn the volume control dial clockwise
or counterclockwise for 30 clicks or more.
![Nissan Maxima. AV COMMUNICATION DIAGNOSIS FUNCTION](/images/manuals/399/nissan_maxima_diagnosis_system_audio_unit__6767.jpg)
- Returns to diagnosis default screen and displays "AV DIAGNOSIS".
- Pressing the AUDIO switch briefly displays the AV communication
diagnosis mode. Pressing the AUDIO switch briefly again switches to each
AV communication display.
![Nissan Maxima. AV COMMUNICATION DIAGNOSIS FUNCTION](/images/manuals/399/nissan_maxima_diagnosis_system_audio_unit__6768.jpg)
- Pressing the SEEK up switch displays the confirmation screen of "delete
error record". Press the SEEK down switch if returning from RECORD DEL
YES? to RECORD DEL NO? The item is automatically determined approximately
6 seconds after it is displayed. Then the display returns to AV TROUBLE
DEL display item.
![Nissan Maxima. AV COMMUNICATION DIAGNOSIS FUNCTION](/images/manuals/399/nissan_maxima_diagnosis_system_audio_unit__6769.jpg)
- Self-diagnosis mode is canceled when the ignition switch is turned OFF
System Diagram
System Description
Refer to the owner's manual for Bluetooth telephone system operating
instructions. NOTE: Cellular
telephones must have their wireless connection set up (paire ...
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 seco ...
Other materials:
P2119 electric throttle control actuator
Description
Electric throttle control actuator consists of throttle control motor,
throttle position sensor, etc.
The throttle control motor is operated by the ECM and it opens and closes the
throttle valve.
The throttle position sensor detects the throttle valve position, and the
openi ...
Configuration (BCM)
CONFIGURATION (BCM) : Description
Vehicle specification needs to be written with CONSULT because it is not
written after replacing BCM.
Configuration has three functions as follows
Function
Description
"Before Replace ECU "
Reads the vehi ...
Precaution
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT
PRE-TENSIONER"
The Supplemental Restraint System such as "AIR BAG" and "SEAT BELT PRE-TENSIONER",
used along
with a front seat belt, helps to reduce the risk or severity of injury to ...