Infiniti FX35, FX50 (S51). Manual - part 154

DIAGNOSIS SYSTEM (AV CONTROL UNIT)

AV-389

< SYSTEM DESCRIPTION >

[NAVIGATION (TWIN MONITOR)]

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-III, and
then repair the malfunctioning parts accord-
ing to the diagnosis results.
Refer to

AV-393, "CONSULT - III Function

(MULTI AV)"

CONTROL UNIT (CAN)

CAN initial diagnosis malfunction is detect-
ed.

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

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.

DSP Communication Error

HDD Connection Error

AV control unit malfunction is detected.

• If the music box function has no malfunc-

tions, then there is a possibility of the de-
tection of a temporary malfunction.

• Replace the AV control unit if the mal-

function occurs constantly.

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 radio
interference may be detected unless any
symptom (GPS reception error, etc.) oc-
curs.
Replace the AV control unit if the malfunc-
tion occurs constantly.

GPS ROM Error

GPS RAM Error

GPS RTC Error

Unfinished configuration

The writing of configuration data is incom-
plete.

Write configuration data with CONSULT-III.

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.

Steer. Angle Sensor Calibration

Predictive course line center position ad-
justment of the steering angle sensor is in-
complete.

Adjust the predictive course line center po-
sition of the steering angle sensor.
Refer to

AV-393, "CONSULT - III Function

(MULTI AV)"

AV-390

< SYSTEM DESCRIPTION >

[NAVIGATION (TWIN MONITOR)]

DIAGNOSIS SYSTEM (AV CONTROL UNIT)

Speaker Test

Front Display Connection Error

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

ground circuits malfunction is detected.

• malfunction is detected in communica-

tion circuits between AV control unit and
front display unit.

• Front display unit power supply and

ground circuits.

• Communication circuits between AV con-

trol unit and front display unit.

Rear Display Connection Error

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

ground circuits malfunction is detected.

• malfunction is detected in communica-

tion circuits between AV control unit and
rear display unit.

• Rear display unit power supply and

ground circuits.

• Communication circuits between AV con-

trol unit and rear display unit.

GPS Antenna Error

GPS antenna connection malfunction is de-
tected.

Check the connection of the GPS antenna
connector.

XM Antenna Connection Error

Satellite radio antenna connection malfunc-
tion is detected.

Satellite radio antenna disconnection.

USB electric current Error

Detection of overcurrent in USB connector.

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

• 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 are
malfunctioning.

• Multifunction switch power supply and

ground circuits.

• AV communication circuits between AV

control unit and multifunction switch.

• AV COMM CIRCUIT
• AVM Connection Error

Around view monitor control unit power
supply and ground circuits are malfunction-
ing.

Around view monitor control unit power
supply and ground circuits.

• AV COMM CIRCUIT
• AVM Sonar Connection Error

When either one of the following items are
detected:
• sonar control unit power supply and

ground circuits are malfunctioning.

• AV communication circuits between AV

control unit and sonar control unit are
malfunctioning.

• Sonar control unit power supply and

ground circuits.

• AV communication circuits between AV

control unit and sonar control unit.

• AV COMM CIRCUIT
• Video Distributor Connection Error
• Rear Display Connection Error

When either one of the following items are
detected:
• video distributor power supply and

ground circuits are malfunctioning.

• AV communication circuits between

around view monitor control unit and vid-
eo distributor are malfunctioning.

• Video distributor power supply and

ground circuits.

• AV communication circuits between

around view monitor control unit and vid-
eo distributor.

• AV COMM CIRCUIT
• Video Distributor Connection Error
• Rear Display Connection Error
• AVM Connection Error

AV communication circuits between multi-
function switch and around view monitor
control unit are malfunctioning.

AV communication circuits between multi-
function switch and around view monitor
control unit.

• AV COMM CIRCUIT
• Switches Connection Error
• Video Distributor Connection Error
• Rear Display Connection Error
• AVM 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

DIAGNOSIS SYSTEM (AV CONTROL UNIT)

AV-391

< SYSTEM DESCRIPTION >

[NAVIGATION (TWIN MONITOR)]

Select “SPEAKER DIAGNOSIS” to display the Speaker Diagnosis
screen. Press “Start” to generate a test tone in a speaker. Press
“Start” to generate a test tone in the next speaker. Press “Stop” to
stop the test tones.

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

• 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

JPNIA1828ZZ

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(TPMS)

OK / ???

OK / 0 – 39

Rx(STRG)

OK / ???

OK / 0 – 39

JSNIA2391ZZ

Items

Status

(Current)

Counter

(Past)

C Tx(ITM–PrimarySW)

OK / ???

OK / 0 – 39

C Rx(PrimarySW–ITM)

OK / ???

OK / 0 – 39

C Rx(AVM–ITM)

OK / ???

OK / 0 – 39

C Rx(Sonar–ITM)

OK / ???

OK / 0 – 39

JSNIA2392ZZ

AV-392

< SYSTEM DESCRIPTION >

[NAVIGATION (TWIN MONITOR)]

DIAGNOSIS SYSTEM (AV CONTROL UNIT)

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

Camera Cont.

Refer to

AV-397, "On Board Diagnosis Function"

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

“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-460, "CONFIGURATION (AV CONTROL

UNIT) : Description"

Version Information

JSNIA2183ZZ

JSNIA2189ZZ

JSNIA2190ZZ

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