Nissan Quest E52. Instruction — part 148

AV

DIAGNOSIS SYSTEM (AV CONTROL UNIT)

AV-471

< SYSTEM DESCRIPTION >

[BOSE AUDIO WITH NAVIGATION]

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Some error items may be displayed simultaneously according to the cause. If some error items are displayed
simultaneously, the detection of the cause can be performed by the combination of display items

Error item

Description

Possible malfunction factor/Action to take

CAN COMM CIRCUIT

CAN communication malfunction is detect-
ed.

Perform diagnosis with CONSULT, and
then repair the malfunctioning parts accord-
ing to the diagnosis results.
Refer to

AV-474, "CONSULT Function"

.

CONTROL UNIT (CAN)

CAN initial diagnosis malfunction is detect-
ed.

Replace the AV control unit if the malfunc-
tion occurs constantly.
Refer to

AV-610, "Removal and Installa-

tion"

.

CONTROL UNIT (AV)

AV communication circuit initial diagnosis
malfunction is detected.

FLASH-ROM Error Of Control Unit

AV control unit malfunction is detected.

Connection Of Gyro

Connection of G Sensor

CAN Controller Memory Error

Bluetooth Module Connection Error

Sub CPU Connection Error

iPod authentification chip error

Audio connection error

DSP Connection Error

AV control unit malfunction is detected.

• If a disc can be played, then there is a

possibility of the detection of a temporary
malfunction.

• Replace the AV control unit if the mal-

function occurs constantly.
Refer to

AV-610, "Removal and Installa-

tion"

.

DSP Communication Error

HDD Connection Error

AV control unit malfunction is detected.

Replace the AV control unit if the malfunc-
tion occurs constantly.
Refer to

AV-610, "Removal and Installa-

tion"

.

HDD Read Error

HDD Write Error

HDD Communication Error

HDD Access Error

GPS Communication Error

GPS malfunction is detected.

• An intermittent error caused by strong ra-

dio interference may be detected unless
any symptom (GPS reception error, etc.)
occurs.

• Replace the AV control unit if the mal-

function occurs constantly.
Refer to

AV-610, "Removal and Installa-

tion"

.

GPS ROM Error

GPS RAM Error

GPS RTC Error

Unfinished configuration

The writing of configuration data is incom-
plete.

Write configuration data with CONSULT.

USB Controller Communication Error

USB connection malfunction is detected.

Check that the connection to the USB con-
nector is normal.

DVD Mechanism Communication Error

AV control unit malfunction is detected.

• If DVD can be played, then there is a

possibility of the detection of a temporary
malfunction.

• Replace the AV control unit if the mal-

function occurs constantly.
Refer to

AV-610, "Removal and Installa-

tion"

.

Steer. Angle Sensor Calibration

Neutral position adjustment of the steering
angle sensor is incomplete.

Adjust the neutral position of the steering
angle sensor.
Refer to

BRC-49, "Work Procedure"

.

AV-472

< SYSTEM DESCRIPTION >

[BOSE AUDIO WITH NAVIGATION]

DIAGNOSIS SYSTEM (AV CONTROL UNIT)

Vehicle CAN Diagnosis

• CAN communication status and error counter is displayed.
• The error counter displays “OK” if any malfunction was not

detected in the past and displays “0” if a malfunction is detected. It
increases by 1 if the condition is normal at the next ignition switch
ON cycle. The upper limit of the counter is 39.

• The error counter is erased if “Reset” is pressed.

NOTE:
“???” indicates UNKWN.

AV COMM Diagnosis

Front Display Connection Error

When either one of the following items are
detected:
• front display unit power supply and

ground circuits are malfunctioning.

• serial communication circuits between

AV control unit and front display unit are
malfunctioning.

• Front display unit power supply and

ground circuits.
Refer to

AV-580, "FRONT DISPLAY

UNIT : Diagnosis Procedure"

.

• Serial communication circuits between

AV control unit and front display unit.

AM/FM antenna amplifier short to ground

Radio antenna amp. ON signal circuit mal-
function is detected.

Radio antenna amp. ON signal circuit be-
tween AV control unit and antenna amp.

AM/FM antenna amplifier open

Ext_Amp_ON output terminal short to
ground

BOSE amp. ON signal circuit malfunction is
detected.

BOSE amp. ON signal circuit between AV
control unit and BOSE amp.

Ext_Amp_ON output terminal :open

GPS Antenna Error

GPS antenna connection malfunction is de-
tected.

Check the connection of the GPS antenna
connector.

USB electric current Error

Detection of overcurrent in USB connector.

Check USB harness between the AV con-
trol unit and USB connector.

XM Antenna Connection Error

Satellite radio antenna connection malfunc-
tion is detected.

Satellite radio antenna disconnection.

• AV COMM CIRCUIT
• Switches Connection Error

When either one of the following items are
detected:
• multifunction switch power supply and

ground circuits are malfunctioning.

• AV communication circuits between AV

control unit and multifunction switch were
malfunctioning.

• Multifunction switch power supply and

ground circuits.

• AV communication circuits between AV

control unit and multifunction switch.

• AV COMM CIRCUIT
• 2nd Display Connection Error

When either one of the following items are
detected:
• Rear display unit power supply and

ground circuits are malfunctioning.

• AV communication circuits between AV

control unit and rear display unit are mal-
functioning.

• Rear display unit power supply and

ground circuits.
Refer to

AV-581, "REAR DISPLAY UNIT

: Diagnosis Procedure"

.

• AV communication circuits between AV

control unit and rear display unit.

• AV COMM CIRCUIT
• Switches Connection Error
• 2nd Display Connection Error

AV communication circuits between AV
control unit and multifunction switch are
malfunctioning.

AV communication circuits between AV
control unit and multifunction switch.

Error item

Description

Possible malfunction factor/Action to take

Items

Display (Current)

Malfunction counter

(Past)

Tx(HVAC)

OK / ???

OK / 0 – 39

Rx(ECM)

OK / ???

OK / 0 – 39

Rx(Cluster)

OK / ???

OK / 0 – 39

Rx(HVAC)

OK / ???

OK / 0 – 39

Rx(USM)

OK / ???

OK / 0 – 39

Rx(STRG)

OK / ???

OK / 0 – 39

JSNIA2181ZZ

AV

DIAGNOSIS SYSTEM (AV CONTROL UNIT)

AV-473

< SYSTEM DESCRIPTION >

[BOSE AUDIO WITH NAVIGATION]

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• Displays the communication status between AV control unit (mas-

ter unit) and each unit.

• The error counter displays “OK” if any malfunction was not

detected in the past and displays “0” if a malfunction is detected. It
increases by 1 if the condition is normal at the next ignition switch
ON cycle. The upper limit of the counter is 39.

• The error counter is erased if “Reset” is pressed.

NOTE:
“???” indicates UNKWN

Hands-Free Phone

The hands-free phone reception volume adjustment and microphone
and speaker test functions are also available.

Delete Unit Connection Log

Deletes any unit connection records and error records from the AV
control unit memory. (Clear the records of the unit that has been
removed.)

Initialize Settings

Items

Status

(Current)

Counter

(Past)

C Tx(ITM–PrimarySW)

OK / ???

OK / 0 – 39

C Rx(PrimarySW–ITM)

OK / ???

OK / 0 – 39

C Rx(Video Dist–ITM)

OK / ???

OK / 0 – 39

C Rx(Remote Cont–ITM)

OK / ???

OK / 0 – 39

JSNIA3216ZZ

JSNIA2183ZZ

JSNIA2189ZZ

AV-474

< SYSTEM DESCRIPTION >

[BOSE AUDIO WITH NAVIGATION]

DIAGNOSIS SYSTEM (AV CONTROL UNIT)

“User Data Initialization” and “Accessory Number Initialization” are
possible.

CAUTION:

• Never perform Accessory Number Initialization except when

configuration is unsuccessful.

• Accessory Number Initialization requires configuration. For

details, refer to

AV-526, "CONFIGURATION (AV CONTROL

UNIT) : Description"

.

Version Information

Version information of the AV control unit is displayed.

CONSULT Function

INFOID:0000000009652277

CONSULT FUNCTIONS

CONSULT performs the following functions via the communication with the AV control unit.

AV Communication

When “AV communication” of “CAN Diag Support Monitor” is selected, the following function will be performed.

ECU IDENTIFICATION

The part number of AV control unit is displayed.

SELF DIAGNOSIS RESULT

• In CONSULT self-diagnosis, self-diagnosis results and error history are displayed collectively.
• The current malfunction indicates “CRNT”. The past malfunction indicates “PAST”.
• The timing is displayed as “0” if any of the error codes [U1000], [U1010], [U1300] and [U1310] is detected.

The counter increases by 1 if the condition is normal at the next ignition switch ON cycle.

Self-diagnosis Results Display Item

JSNIA2190ZZ

JSNIA2191ZZ

Diagnosis mode

Description

Ecu Identification

The part number of AV control unit can be checked.

Self Diagnostic Result

Performs a diagnosis on the AV control unit and a connection diagnosis for the communication
circuit of the Multi AV system, and displays the current and past malfunctions collectively.

Data Monitor

The diagnosis of vehicle signal that is input to the AV control unit can be performed.

Work Support

Steering angle sensor can be adjusted.

Configuration

• Read and save the vehicle specification.
• Write the vehicle specification when replacing AV control unit.

AV communication

AV&NAVI C/U

Displays the communication status from AV control unit to each unit as well as the error
counter.

AUDIO

Displays the AV control unit communication status and the error counter.