Nissan Pathfinder. Manual - part 146

AV

DIAGNOSIS SYSTEM (AV CONTROL UNIT)

AV-411

< SYSTEM DESCRIPTION >

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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

Left Front: open

Malfunction is detected in sound signal cir-
cuits between BOSE speaker amp. and 
front door speaker.

Sound signal circuits between BOSE 
speaker amp. and front door speaker.
Refer to 

AV-567, "Diagnosis Procedure"

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Left Front: short

Left Front: short to ground

Left Front: short to battery

Right Front: open

Right Front: short

Right Front: short to ground

Right Front: short to battery

Left Rear: open

Malfunction is detected in sound signal cir-
cuits between BOSE speaker amp. and 
rear door speaker.

Sound signal circuits between BOSE 
speaker amp. and rear door speaker.
Refer to 

AV-567, "Diagnosis Procedure"

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Left Rear: short

Left Rear: short to ground

Left Rear: short to battery

Right Rear: open

Right Rear: short

Right Rear: short to ground

Right Rear: short to battery

• AV COMM CIRCUIT
• Switches Connection Error

When one of the following is detected:
• malfunction is detected in A/C and AV 

switch assembly power supply and 
ground circuits.

• malfunction is detected in AV communi-

cation circuits between AV control unit 
and A/C and AV switch assembly.

• A/C and AV switch assembly power sup-

ply or ground circuit.
Refer to 

AV-552, "A/C AND AV SWITCH 

ASSEMBLY : Diagnosis Procedure"

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• AV communication circuits between AV 

control unit and A/C and AV switch as-
sembly.

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

Malfunction is detected in AV communica-
tion circuits between AV control unit and A/
C and AV switch assembly.

AV communication circuits between AV 
control unit and A/C and AV switch assem-
bly.

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(TPMS)

OK / ???

OK / 0 – 39

JSNIA2391ZZ

AV-412

< SYSTEM DESCRIPTION >

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DIAGNOSIS SYSTEM (AV CONTROL UNIT)

• 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.

Camera Cont.

The three functions of “Alter/Confirm Configuration”, “Reset Configuration” and “Camera System Type” are

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.)

Items

Status

(Current)

Counter

(Past)

C Tx(ITM–PrimarySW)

OK / ???

OK / 0 – 39

C Rx(PrimarySW–ITM)

OK / ???

OK / 0 – 39

C Rx(Amp–ITM)

OK / ???

OK / 0 – 39

C Rx(Amp–Audio)

OK / ???

OK / 0 – 39

C Rx(AVM–ITM)

OK / ???

OK / 0 – 39

C Rx(Disp.3–Video Dist)

OK / ??? / –

OK / 0 – 39

C Rx(Video Dist–ITM)

OK / ???

OK / 0 – 39

JSNIA4591ZZ

AWNIA2607GB

AWNIA2608GB

AV

DIAGNOSIS SYSTEM (AV CONTROL UNIT)

AV-413

< SYSTEM DESCRIPTION >

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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-490, "CONFIGURATION (AV CONTROL

UNIT) : Description"

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Version Information

Version information of the AV control unit is displayed.

CONSULT Function

INFOID:0000000009174663

CAUTION:

After disconnecting the CONSULT vehicle interface (VI) from the data link connector, the ignition must

be cycled OFF 

→ ON (for at least 5 seconds) → OFF. If this step is not performed, the BCM may not go

to ”sleep mode”, potentially causing a discharged battery and no-start condition. 

CONSULT FUNCTIONS

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

ECU IDENTIFICATION

The part number of AV control unit is displayed.

SELF DIAGNOSTIC RESULT

Refer to 

AV-423, "DTC Index"

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DATA MONITOR

JSNIA2190ZZ

JSNIA2191ZZ

Direct Diagnostic Mode

Description

Ecu Identification

The AV control unit part number is displayed.

Self Diagnostic Result

The AV control unit self diagnostic results are displayed.

Data Monitor

The AV control unit input/output data is displayed in real time.

Work support

The settings for AV control unit functions can be changed.

Configuration

• The vehicle specification can be read and saved.
• The vehicle specification can be written when replacing AV control unit.

CAN Diag Support Mntr

• The result of transmit/receive diagnosis of AV communication is displayed.
• The result of transmit/receive diagnosis of CAN communication is displayed.

AV-414

< SYSTEM DESCRIPTION >

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DIAGNOSIS SYSTEM (AV CONTROL UNIT)

WORK SUPPORT

CONFIGURATION

Refer to 

AV-490, "CONFIGURATION (AV CONTROL UNIT) : Description"

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CAN DIAG SUPPORT MNTR

Refer to 

LAN-17, "CAN Diagnostic Support Monitor"

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Monitor Item [Unit]

Description

VHCL SPD SIG [On/Off]

Indicates vehicle speed signal received from combination meter on CAN communication 
line.

PKB SIG [On/Off]

Indicates condition of park brake signal.

ILLUM SIG [On/Off]

Indicates condition of illumination signal for the A/C and AV switch assembly.

IGN SIG [On/Off]

Indicates condition of ignition signal.

REV SIG [On/Off]

Indicates condition of reverse signal received from BCM.

Conditions

Description

ST ANGLE SENSOR ADJUSTMENT

Steering angle sensor neutral position adjustment can be per-
formed. Refer to 

BRC-55, "Description"

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