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Nissan Maxima. Manual - part 94

AV-196

< SYSTEM DESCRIPTION >

[COLOR DISPLAY - W/O BOSE]

DIAGNOSIS SYSTEM (AV CONTROL UNIT)

NOTE:
The number of units that are displayed on the on board self-diagnosis display according to equipment.

CONFIRMATION/ADJUSTMENT MODE

1. Start the diagnosis function and select “Confirmation/Adjustment”. The confirmation/adjustment mode

indicates where each item can be checked or adjusted.

When either one of the following items
are detected:
• serial communication circuits be-

tween AV control unit and front dis-
play unit are malfunctioning.

• serial communication signal between

AV control unit and front display unit
is malfunctioning.

Serial communication circuits between
AV control unit and front display unit.

When any one of the following items is
detected:
• satellite radio tuner power supply

and ground circuits are malfunction-
ing.

• serial communication circuits be-

tween AV control unit and satellite ra-
dio tuner are malfunctioning.

• serial communication or request sig-

nal between AV control unit and sat-
ellite radio tuner is malfunctioning.

• request signal circuit between AV

control unit and satellite radio tuner is
malfunctioning.

• Satellite radio tuner power supply

and ground circuits.

• Serial communication circuits be-

tween AV control unit and satellite ra-
dio tuner.

• Request signal circuit between AV

control unit and satellite radio tuner.

When any one of the following items is
detected:
• Bluetooth

control unit power supply

and ground circuits are malfunction-
ing.

• AV communication circuits between

camera control unit and Bluetooth

control unit are malfunctioning.

• AV communication circuits between

multifunction switch and camera con-
trol unit are malfunctioning. (without
DVD player models)

• AV communication circuits between

DVD player and camera control unit
are malfunctioning. (with DVD player
models)

• AV communication signal between

AV control unit and Bluetooth

con-

trol unit is malfunctioning.

• Bluetooth

control unit power supply

and ground circuits.

• AV communication circuits between

camera control unit and Bluetooth

control unit.

• AV communication circuits between

multifunction switch and camera con-
trol unit. (without DVD player mod-
els)

• AV communication circuits between

DVD player and camera control unit.
(with DVD player models)

• AV communication circuits between

multifunction switch and Bluetooth

control unit. (without rear view cam-
era)

Diagnosis results

Detection logic

Possible malfunction location / Action

to take

AWNIA1975GB

AWNIA2291GB

AWNIA1977GB

DIAGNOSIS SYSTEM (AV CONTROL UNIT)

AV-197

< SYSTEM DESCRIPTION >

[COLOR DISPLAY - W/O BOSE]

2. Select each switch on the “Confirmation/Adjustment Mode”

screen to display the relevant trouble diagnosis screen. Press

the RETURN switch to return to the initial Confirmation/Adjust-

ment Mode screen.

Display Diagnosis

The tint of the color bar indication is as per the following list if RGB image signal error is detected.

Vehicle Signals

A comparison check can be made of each actual vehicle signal and

the signals recognized by the system.

AWNIA1965GB

AWNIA1966GB

R (red) signal error

: Light blue (Cyan) tint

G (green) signal error

: Purple (Magenta) tint

B (blue) signal error

: Yellow tint

AWNIA1744GB

Diagnosis item

Display

Vehicle status

Remarks

Vehicle speed

Vehicle speed > 0 km/h (0 MPH)

Changes in indication may be delayed. This is normal.

Vehicle speed = 0 km/h (0 MPH)

Parking brake

Parking brake is applied.

OFF

Parking brake is released.

AV-198

< SYSTEM DESCRIPTION >

[COLOR DISPLAY - W/O BOSE]

DIAGNOSIS SYSTEM (AV CONTROL UNIT)

Speaker Test

Select “SPEAKER DIAGNOSIS” to display the Speaker Diagnosis

screen. Press “START and NEXT” to generate a test tone in a

speaker. Press “Start” to generate a test tone in the next speaker.

Press “End” to stop the test tones.

NOTE:

The frequency of test tone emitted from each speaker is as follows.

Climate Control

On-board self-diagnosis is not supported. Only CONSULT is supported.

Refer to

AV-202, "CONSULT Function (MULTI AV)"

Error History

The self-diagnosis results are judged depending on whether any error occurs from when “Self-diagnosis” is

selected until the self-diagnosis results are displayed.

However, the diagnosis results are judged normal if an error has occurred before the ignition switch is turned

ON and then no error has occurred until the self-diagnosis start. Check the “Error Record” to detect any error

that may have occurred before the self-diagnosis start because of this situation.

Count up method A

• The counter resets to 0 if an error occurs when IGN switch is turned ON. The counter increases by 1 if the

condition is normal at the next IGN ON cycle.

• The counter upper limit is 39. Any counts exceeding 39 are ignored. The counter can be reset (no error

record display) with the “Delete log” switch or CONSULT.

Count up method B

• The counter increases by 1 if an error occurs when IGN switch is ON. The counter will not decrease even if

the condition is normal at the next IGN ON cycle.

• The counter upper limit is 50. Any counts exceeding 50 are ignored. The counter can be reset (no error

record display) with the “Delete log” switch or CONSULT.

Lights

Light switch ON

—

OFF

Light switch OFF

Ignition

Ignition switch ON

—

OFF

Ignition switch in the ACC position

Reverse

Shift the selector lever to the “R” po-
sition

Changes in indication may be delayed. This is normal.

OFF

Shift the selector lever to a position
other than the “R” position

Diagnosis item

Display

Vehicle status

Remarks

Tweeter

: 3 kHz

Front speaker

: 300 Hz

Rear speaker

: 1 kHz

JSNIA0150GB

Display type of occur-

rence frequency

Error history display item

Count up method A

CAN communication line, control unit (CAN), AV communication line, control unit (AV communication)

Count up method B

Other than the above

DIAGNOSIS SYSTEM (AV CONTROL UNIT)

AV-199

< SYSTEM DESCRIPTION >

[COLOR DISPLAY - W/O BOSE]

Error Item

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.

JSNIA0151GB

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-202, "CONSULT Function

(MULTI AV)"

CONTROL UNIT (CAN)

CAN initial diagnosis malfunction is detect-
ed.

Replace the AV control unit.

CONTROL UNIT (AV)

AV communication circuit initial diagnosis
malfunction is detected.

FLASH-ROM Error Of Control Unit

AV control unit malfunction is detected.

CAN Controller Memory Error

Front Display Connection Error

When any one of the following items is de-
tected:
• front display unit power supply and

ground circuits are malfunctioning.

• serial communication circuits between

AV control unit and front display unit are
malfunctioning.

• serial communication signal between AV

control unit and front display unit is mal-
functioning.

• Front display unit power supply and

ground circuits.

• Serial communication circuits between

AV control unit and front display unit.

Content .. 92 93 94 95 ..