Nissan Armada 2025-2026 Service and Repair Manual: Symptom Table

Nissan Armada 2025-2026 Service and Repair Manual / Driver Information & Multimedia / Audio, Visual & Navigation System — Nissanconnect / Symptom Diagnosis / Symptom Table

RELATED TO NAVIGATION

Trouble diagnosis chart by symptom
Symptoms	Check items	Possible malfunction location/Action to take
AV control unit does not start.	Display is not indicated.	AV control unit power supply and ground circuit. Refer to Diagnosis Procedure.
AV control unit does not start.	Blue screen is displayed.	Check fail-safe status. Refer to Fail-safe. Perform CONSULT self-diagnosis and perform diagnosis of DTC malfunction detected. Refer to DTC Index.
The vehicle icon is not indicated at the correct position.	There is a malfunction in the CONSULT self-diagnosis result.	Perform detected DTC self-diagnosis. Refer to DTC Index.
The vehicle icon is not indicated at the correct position.	There is no malfunction in the self-diagnosis result.	Vehicle speed signal GPS antenna AV control unit
Guide sound is not heard.	Select “Volume Adjustment”, in the setting screen and then check that the Guidance Sound is ON.	Replace the AV control unit. Refer to Removal & Installation.
Display is not dimmed.	When the combination switch is operated, the light signal operates correctly on “Vehicle Signals”screen for Confirmation/Adjustment.
Display is not dimmed.	When the combination switch is operated, the light signal is fixed to OFF on “Vehicle Signals” screen for Confirmation/Adjustment.	Check the illumination signal circuit.

HANDS-FREE, NissanConnect Services

Before performing diagnosis, confirm that the cellular phone being used by the customer is compatible with the vehicle.
It is possible that a malfunction is occurring due to a version change of the phone even though the phone is a compatible type. This can be confirmed by changing the cellular phone to another compatible type, and checking that it operates normally. It is important to determine whether the cause of the malfunction is the vehicle or the cellular phone.

Trouble diagnosis chart by symptom
Symptoms	Check items	Possible malfunction location / Action to take
Does not recognize cellular phone connection. (No connection is displayed on the display at the guide.)	Repeat the registration of cellular phone.	AV control unit malfunction. Replace AV control unit. Refer to Removal & Installation.
Hands-free phone cannot be activated.	Hands-free phone operation can be made, but the communication cannot be established. Hands-free phone operation can be performed, however, voice between each other cannot be heard during the conversation.
The other party's voice cannot be heard by hands-free phone.	Sound is output in "Speaker diagnosis" in the confirmation / adjustment mode.
Originating sound is not heard by the other party with hands-free phone communication.	Sound operation does not work.	Microphone signal circuit malfunction. Perform CONSULT self-diagnosis and perform failure diagnosis of detected DTC. Refer to DTC Index.
The system cannot be operated.	The voice recognition can be controlled. Steering switches do not work.	Perform failure diagnosis of detected DTC. Refer to DTC Index.
The other party's voice is not sent by the operator call.	Hands-free phone call is normal.	Signal circuit between AV control unit and TCU.
Voice is not transmitted to the other party in the operator call.	Hands-free phone call is normal.	Signal circuit between AV control unit and TCU.
NissanConnect Services is not available.	CONSULT Self-diagnosis result abnormal.	Perform failure diagnosis of detected DTC. Refer to DTC Index.

VOICE CONTROL

Trouble diagnosis chart by symptom
Symptoms	Check items	Probable malfunction location
The voice cannot be controlled even if the voice control screen is displayed	Voice is output in “microphone speaker check ” of Confirmation/Adjustment.	Replace the AV control unit. Refer to Removal & Installation.
	Voice is not output in “microphone speaker check ” of Confirmation/Adjustment.	Microphone signal circuit. Perform CONSULT self-diagnosis and perform failure diagnosis of detected DTC. Refer to DTC Index.
The voice cannot be controlled (Voice control screen is not displayed)	Steering switches do not work.	Perform failure diagnosis of detected DTC. Refer to DTC Index.

RELATED TO AUDIO

Trouble diagnosis chart by symptom
Symptom	Check items	Probable malfunction location
No sound comes out or the level of the sound is low.	No sound from all speakers.	Audio amp. power circuit. Refer to Diagnosis Procedure.
No sound comes out or the level of the sound is low.	Only a certain speaker (front right, front left, rear right, or rear left, etc.) does not output sound.	Poor connector connection of speaker. Sound signal circuit between AV contol unit and audio amp. Sound signal circuit between audio amp. and speaker. Malfunction in speaker. Malfunction in AV control unit. Malfunction in audio amp.
Noise is mixed with audio.	Noise comes from all speakers.	Replace the AV control unit. Refer to Removal & Installation.
	Noise comes only from a certain speaker (front right, front left, rear right, or rear left, etc.).	Poor connector connection of speaker. Sound signal circuit between AV contol unit and audio amp. Sound signal circuit between audio amp. and speaker. Poor installation of speaker (e.g. backlash and looseness). Malfunction in AV control unit. Malfunction in audio amp.
	Noise is mixed with radio only.	Poor connector connection of antenna. Poor connector connection of antenna or antenna feeder.
Radio is not received or poor reception.	Other audio sounds are normal. Any radio cannot be received or poor reception is caused even after moving to a service area with good reception (e.g. a place with clear view and no obstacles generating external noises).	Poor connector connection of antenna. Poor connector connection of antenna or antenna feeder.

RELATED TO USB

NOTE:

Before making a diagnosis, make sure that there are no abnormalities in the USB memory itself.

Trouble diagnosis chart by symptom
Symptoms	Check items	Possible malfunction location/Action to take
iPod^® or USB memory cannot be recognized.	There is a malfunction in the CONSULT self-diagnosis result.	Perform detected DTC self-diagnosis. Refer to DTC Index.
iPod^® or USB memory cannot be recognized.	There is no malfunction in the self-diagnosis result.	USB harness malfunction. USB connector malfunction.

RELATED TO STEERING SWITCH

Trouble diagnosis chart by symptom
Symptoms	Possible malfunction location/Action to take
Only specified switch cannot be operated.	Perform failure diagnosis of detected DTC. Refer to DTC Index.
Steering switches do not work.

Other materials:

Precautions for Removing Battery Terminal
NOTE: NOTE: NOTE: The removal of 12V battery may cause a DTC detection error. HOW TO DISCONNECT 12V BATTERY TERMINAL Disconnect 12V battery terminal according to instruction described below. Open the hood. Turn ignition switch to the ON position. Turn ignition switch to the OFF position with the d ...

Diagnosis Procedure
A malfunction of brake pedal feel (height or others) is detected when the brake pedal is depressed. CHECK AXLE Check that there is no significant looseness of axle. Front axle 2WD models: Refer to Inspection. 4WD models: Refer to Inspection. Rear axle: Refer to Inspection. Is the inspection result ...

Precautions for removing battery terminal
NOTE: NOTE: NOTE: The removal of 12V battery may cause a DTC detection error. HOW TO DISCONNECT 12V BATTERY TERMINAL Disconnect 12V battery terminal according to instruction described below. Open the hood. Turn ignition switch to the ON position. Turn ignition switch to the OFF position with the d ...

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Nissan Armada 2025-2026 Service and Repair Manual: Symptom Table

Nissanconnect Symptoms

Normal Operating Condition

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