Infiniti G37 Coupe. Manual - part 160

AV

DIAGNOSIS SYSTEM (AV CONTROL UNIT)

AV-393

< FUNCTION DIAGNOSIS >

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Malfunction is detected in Camera-
connection recognition signal circuit.

Camera connection recognition signal 
circuit.

GPS antenna connection malfunction 
is detected.

GPS antenna.

Poor connection is detected in satel-
lite radio antenna.

• Satellite radio antenna feeder.
• Satellite radio antenna.

Area with yellow connection lines

Description

Possible malfunction location / Action 

to take

JSNIA0596GB

JSNIA0597GB

JSNIA0598GB

AV-394

< FUNCTION DIAGNOSIS >

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DIAGNOSIS SYSTEM (AV CONTROL UNIT)

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.

2.

Select each switch on the “Confirmation/Adjustment Mode”
screen to display the relevant trouble diagnosis screen. Press
the “BACK” switch to return to the initial Confirmation/Adjust-
ment Mode screen.

• Malfunction is detected in commu-

nication circuit between AV control 
unit and display unit.

• Malfunction is detected in commu-

nication signal between AV control 
unit and display unit.

Communication circuits between AV 
control unit and display unit.

• iPod adapter power supply and 

ground circuits.

• Malfunction is detected in AV com-

munication circuits between cam-
era control unit and the junction of 
AV control unit and multifunction 
switch.

• Malfunction is detected in AV com-

munication circuits between cam-
era control unit and iPod adapter.

• Malfunction is detected in AV com-

munication signal between AV con-
trol unit and iPod adapter.

• iPod adapter power supply and 

ground circuits.

• AV communication circuits between 

camera control unit and the junction 
of AV control unit and multifunction 
switch.

• AV communication circuits between 

camera control unit and iPod adapt-
er.

Area with yellow connection lines

Description

Possible malfunction location / Action 

to take

JSNIA0599GB

JSNIA0600GB

JSNIA0617GB

AV

DIAGNOSIS SYSTEM (AV CONTROL UNIT)

AV-395

< FUNCTION DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

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Display Diagnosis

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

Vehicle Signals

A comparison check can be made of each actual vehicle signal and
the signals recognized by the system.

JSNIA0689GB

R (red) signal error

: Light blue (Cyan) tint

G (green) signal error

: Purple (Magenta) tint

B (blue) signal error

: Yellow tint

JSNIA0075GB

AV-396

< FUNCTION DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

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

Refer to “HEATER & AIR CONDITIONING CONTROL SYSTEM” for details.

Navigation

STEERING ANGLE ADJUSTMENT
The steering angle output value detected with the gyroscope is
adjusted.

SPEED CALIBRATION
During normal driving, distance error caused by tire wear and tire
pressure change is automatically adjusted for by the automatic dis-
tance correction function. This function, on the other hand, is for
immediate adjustment, in cases such as driving with tire chain fitted
on tires.

Diagnosis item

Display

Vehicle status

Remarks

Vehicle speed

ON

Vehicle speed > 0 km/h (0 MPH)

Changes in indication may be delayed. This is normal.

OFF

Vehicle speed = 0 km/h (0 MPH)

Parking brake

ON

Parking brake is applied.

OFF

Parking brake is released.

Lights

ON

Light switch ON

—

OFF

Light switch OFF

Ignition

ON

Ignition switch ON

—

OFF

Ignition switch in ACC position

Reverse

ON

Shift the selector lever to “R” posi-
tion

Changes in indication may be delayed. This is normal.

OFF

Shift the selector lever other than 
“R” position

Tweeter

: 3 kHz

Front speaker

: 300 Hz

Rear speaker

: 1 kHz

JSNIA0076GB

JSNIA0077GB

JSNIA0078GB