Infiniti M35/M45 Y50. Manual — part 178
DIAGNOSIS SYSTEM
AV-89
[WITHOUT MOBILE ENTERTAINMENT SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
AV
DIAGNOSIS RESULT
Check the applicable display in the following table, and then repair the malfunctioning parts.
Control Unit Is Red, Gray, or Yellow
Connection Line Between Units Is Yellow (Only 1 Line)
Switch color
Description
Possible malfunction/Action to take
Red
AV (NAVI) control unit malfunction is detected
Replace AV (NAVI) control unit
Refer to
AV-131, "AV (NAVI) Control Unit"
Yellow
(With NAVI)
●
Malfunction is detected on DVD-ROM drive pickup
lens in NAVI control unit
●
There is dirt and damage on the map disc
●
Map disc
●
NAVI control unit
Gray
(With NAVI)
DVD-ROM not inserted is detected
Insert map disc
Applicable parts
Description
Probable malfunction location
Control unit to Camera Cont.
Camera-connection recognition signal malfunc-
tion is detected
●
Camera control unit power supply and ground
circuit
●
Camera-connection recognition signal circuit
●
AV (NAVI) control unit
●
Camera control unit
Control unit to GPS Antenna
GPS antenna connection malfunction is detected
●
GPS antenna feeder
●
GPS antenna
●
NAVI control unit
Control unit to DVD deck
●
DVD player power supply and ground circuit
malfunction is detected
●
Malfunction is detected on communication sig-
nal between DVD player and AV (NAVI) control
unit
●
DVD player power supply and ground circuit
●
DVD player
●
AV (NAVI) control unit
Control unit to Amplifier
(BOSE system)
●
BOSE amp power supply and ground circuit
malfunction is detected
●
Malfunction is detected on communication sig-
nal between BOSE amp and AV (NAVI) control
unit
●
BOSE amp power supply and ground circuit
●
BOSE amp
●
AV (NAVI) control unit
Control unit to Audio unit
(BOSE system)
●
Audio unit power supply and ground circuit mal-
function is detected
●
Malfunction is detected on communication cir-
cuit between audio unit and BOSE amp
●
Malfunction is detected on communication sig-
nal between audio unit and AV (NAVI) control
unit
●
Audio unit power supply and ground circuit
●
Communication circuit between BOSE amp
and audio unit
●
Audio unit
●
BOSE amp
●
AV (NAVI) control unit
AV-90
[WITHOUT MOBILE ENTERTAINMENT SYSTEM]
DIAGNOSIS SYSTEM
Connection Line Between Units Is Yellow (2 or More Lines)
When 2 or more connection lines between control unit (AV control unit, NAVI control) and each unit are dis-
played in yellow, these communication system lines may be open or shorted. The malfunctioning parts can be
detected by the combination of the connection lines displayed in yellow.
Applicable parts
Description
Probable malfunction location
Control unit to
●
Amplifier
●
Audio unit
Base system
●
Audio unit power supply and ground circuit mal-
function is detected
●
Malfunction is detected on communication cir-
cuit between multifunction switch and audio unit
●
Malfunction is detected on communication sig-
nal between audio unit and AV (NAVI) control
unit
●
Audio unit power and ground circuit
●
Communication circuit between multifunction
switch and audio unit
●
Multifunction switch
●
Audio unit
●
AV (NAVI) control unit
BOSE system
●
Malfunction is detected on communication cir-
cuit between multifunction switch and camera
control unit
●
Malfunction is detected on communication cir-
cuit between camera control unit and BOSE
amp
●
Communication circuit between camera control
unit and BOSE amp
●
Multifunction switch
●
Camera control unit
●
BOSE amp
DIAGNOSIS SYSTEM
AV-91
[WITHOUT MOBILE ENTERTAINMENT SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
AV
Confirmation/Adjustment Mode
NKS0048X
1.
Start the diagnosis function, and then select “Confirmation/
Adjustment”.
2.
Select each screen switch of Confirmation/Adjustment screen to
display the relevant diagnosis screen. Press the “BACK” switch
to return to the initial screen of Confirmation/Adjustment.
DISPLAY DIAGNOSIS
If RGB signal is malfunctioning, the tint of the color bar display is as follows.
SKIB3660E
SKIB3661E
SKIB3662E
R (red) signal error
: Light blue (Cyan) tint
G (green) signal error
: Purple (Magenta) tint
B (blue) signal error
: Yellow tint
AV-92
[WITHOUT MOBILE ENTERTAINMENT SYSTEM]
DIAGNOSIS SYSTEM
VEHICLE SIGNALS
A comparison check can be made of each actual vehicle signal and
the signals recognized by the system.
SPEAKER TEST
When selecting “Speaker Test”, speaker diagnosis screen is dis-
played. When pressing “Start”, test tone emits from the speaker. At
that time, when pressing “Start”, test tone emits from next speaker.
Then, when pressing the “End”, test tone stops.
NOTE:
The frequency of test tone emitted from each speaker is as follows.
CLIMATE CONTROL
ATC-56, "Self-diagnosis Function"
SKIB3663E
Diagnosis item
Dis-
play
Vehicle status
Remarks
Vehicle speed
ON
Vehicle speed > 0 km/h (0 MPH)
Changes in indication may be delayed. This is nor-
mal.
OFF
Vehicle speed = 0 km/h (0 MPH)
—
Ignition switch in ACC position
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
Selector lever in R position
Changes in indication may be delayed. This is nor-
mal.
OFF
Selector lever in any position
other than R
—
Ignition switch in ACC position
Tweeter
: 3 kHz
Front door speaker
: 300 Hz
Rear door speaker
: 1 kHz
Rear surround speaker
: 1 kHz
Center speaker
: 1 kHz
Woofer
: 100 Hz
Seat speaker
: 1 kHz
SKIB3664E
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