2006 INFINITI M35 ground

DIAGNOSIS SYSTEM
AV-233
[WITH MOBILE ENTERTAINMENT SYSTEM]
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AV
Revision: 2006 January2006 M35/M45
DIAGNOSIS RESULTS
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 detectedReplace AV (NAVI) control unit
Refer to AV-290, "
AV (NAVI) Control Unit"
Ye l l o w
(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 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 Video Distrib-
utor
Video distributor power supply and ground cir-
cuit malfunction is detected
Malfunction is detected on communication sig-
nal between video distributor and AV (NAVI)
control unit
Video distributor power supply and ground cir-
cuit
Video distributor
AV (NAVI) control unit
Control unit to Front Display
Front display unit power supply and ground cir-
cuit malfunction is detected (The diagnosis
screen can be checked at rear display)
Malfunction is detected on communication cir-
cuit between front display unit and AV (NAVI)
control unit
Malfunction is detected on communication sig-
nal between front display unit and AV (NAVI)
control unit
Front display unit power supply and ground cir-
cuit
Front display unit
AV (NAVI) control unit
Control unit to Rear Switches
Rear control switch power supply and ground
circuit malfunction is detected
Malfunction is detected on communication sig-
nal between rear control switch and AV (NAVI)
control unit
Rear control switch power supply and ground
circuit
Rear control switch
AV (NAVI) control unit

AV-234
[WITH MOBILE ENTERTAINMENT SYSTEM]
DIAGNOSIS SYSTEM
Revision: 2006 January2006 M35/M45
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.
Control unit to Audio unit
Audio unit power supply and ground circuit mal-
function is detected
Malfunction is detected on communication cir-
cuit between audio unit and rear control unit
(Models with rear control switch)
Malfunction is detected on communication cir-
cuit between audio unit and BOSE amp (Mod-
els without rear control switch)
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 rear control
switch and audio unit
Audio unit
Rear control switch (with rear control switch)
BOSE amp (without rear control switch)
AV (NAVI) Control unit
Video distributor to Rear Dis-
play
Rear display unit power supply and ground cir-
cuit malfunction is detected
Malfunction is detected on communication cir-
cuit between video distributor and rear display
unit
Malfunction is detected on communication sig-
nal between video distributor and rear display
unit
Rear display unit power supply and ground cir-
cuit
Rear display unit
Video distributor Applicable parts Description Probable malfunction location
Applicable parts Description Probable malfunction location
Control unit to
Amplifier
Rear Switches
Audio unit
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 multifunction
switch and camera control unit
Communication circuit between camera control
unit and BOSE amp
Multifunction switch
Camera control unit
BOSE amp
Control unit to
Amplifier
Audio unit
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 multifunction
switch and camera control unit
Communication circuit between camera control
unit and BOSE amp
Multifunction switch
Camera control unit
BOSE amp
Control unit to
Rear Switches
Audio unitMalfunction is detected on communication circuit
between BOSE amp and rear control switch
Communication circuit between BOSE amp and
rear control switch
BOSE amp
Rear control switch

DIAGNOSIS SYSTEM
AV-239
[WITH MOBILE ENTERTAINMENT SYSTEM]
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AV
Revision: 2006 January2006 M35/M45
AV COMM CIRCUIT
Switches Connection Error
DVD Deck Connection Error
Audio Unit Connection Error
Amplifier Connection Error
Rearview Camera Connection ErrorMalfunction is detected on communi-
cation circuit between video distributor
and DVD player
Communication circuit between video
distributor and DVD player
Video distributor
DVD player
AV COMM CIRCUIT
Switches Connection Error
Audio Unit Connection Error
Amplifier Connection Error
Rearview Camera Connection Error
Malfunction is detected on communi-
cation circuit between DVD player
and multifunction switchCommunication circuit between DVD
player and multifunction switch
DVD player
Multifunction switch
AV COMM CIRCUIT
Audio Unit Connection Error
Amplifier Connection Error
Rearview Camera Connection ErrorMalfunction is detected on communi-
cation circuit between multifunction
switch and camera control unit
Communication circuit between multi-
function switch and camera control unit
Multifunction switch
Camera control unit
AV COMM CIRCUIT
Audio Unit Connection Error
Amplifier Connection Error
Malfunction is detected on communi-
cation circuit between camera con-
trol unit and BOSE ampCommunication circuit between camera
control unit and BOSE amp
Camera control unit
BOSE amp
AV COMM CIRCUIT
Audio Unit Connection ErrorWith rear control switch
Audio unit power supply and ground
circuit malfunction is detected
Malfunction is detected on communi-
cation circuit between BOSE amp
and rear control switch
Malfunction is detected on communi-
cation circuit between rear control
switch and audio unit
Malfunction is detected on communi-
cation signal between audio unit and
AV (NAVI) control unit
Communication circuit between BOSE
amp and rear control switch
Communication circuit between rear
control switch and audio unit
BOSE amp
Rear control switch
Audio unit
AV (NAVI) control unit
Without rear control switch
Audio unit power supply and ground
circuit malfunction is detected
Malfunction is detected on communi-
cation circuit between BOSE amp
and audio unit
Malfunction is detected on communi-
cation signal between audio unit and
AV (NAVI) control unit
Audio unit power supply and ground cir-
cuit
Communication circuit between BOSE
amp and audio unit
Audio unit
AV (NAVI) control unit
AV COMM CIRCUIT
Video Distributor Connection Error
Video distributor power supply and
ground circuit malfunction is
detected
Malfunction is detected on communi-
cation signal between video distribu-
tor and AV (NAVI) control unit
Video distributor power supply and
ground circuit
Video distributor
AV (NAVI) control unit
AV COMM CIRCUIT
Rearview Camera Connection Error
Camera control unit power supply
and ground circuit malfunction is
detected
Malfunction is detected on communi-
cation signal between camera con-
trol unit and AV (NAVI) control unit
Camera control unit power supply and
ground circuit
Camera control unit
AV (NAVI) control unit Error item Description Possible cause/Action to take

AV-240
[WITH MOBILE ENTERTAINMENT SYSTEM]
DIAGNOSIS SYSTEM
Revision: 2006 January2006 M35/M45
AV COMM CIRCUIT
Switches Connection Error
Multifunction switch power supply
and ground circuit malfunction is
detected
Malfunction is detected on communi-
cation signal between multifunction
switch and AV (NAVI) control unit
Multifunction switch power supply and
ground circuit
Multifunction switch
AV (NAVI) control unit
AV COMM CIRCUIT
DVD Deck Connection Error
DVD player power supply and
ground circuit malfunction is
detected
Malfunction is detected on communi-
cation signal between DVD player
and AV (NAVI) control unit
DVD player power supply and ground
circuit
DVD player
AV (NAVI) control unit
AV COMM CIRCUIT
Amplifier Connection Error
BOSE amp power supply and
ground circuit malfunction is
detected
Malfunction is detected on communi-
cation signal between BOSE amp
and AV (NAVI) control unit
BOSE amp power supply and ground
circuit
BOSE amp
AV (NAVI) control unit
Front Display Connection Error
Front display unit power supply and
ground circuit malfunction is
detected
Malfunction is detected on communi-
cation circuit between front display
unit and AV (NAVI) control unit
Malfunction is detected on communi-
cation signal between front display
unit and AV (NAVI) control unit
Front display unit power supply and
ground circuit
Communication circuit between front
display unit and AV (NAVI) control unit
Front display unit
AV (NAVI) control unit
Rear Display Connection Error
Rear display unit power supply and
ground circuit malfunction is
detected
Malfunction is detected on communi-
cation circuit between rear display
unit and video distributor
Malfunction is detected on communi-
cation signal between rear display
unit and video distributor
Rear display unit power supply and
ground circuit
Rear display unit
Video distributor
GPS Antenna ErrorGPS antenna connection malfunction
is detected
GPS antenna feeder
GPS antenna
NAVI control unit
Camera Control Unit Connection ErrorCamera and connection recognition
signal circuit malfunction is detected
Camera-connection recognition signal
circuit
Camera control unit
AV (NAVI) control unit
FLASH-ROM Error Of Control UnitAV (NAVI) control unit malfunction is
detectedReplace AV (NAVI) control unit
Refer to AV-290, "
AV (NAVI) Control Unit"
Connection Of GyroNAVI control unit malfunction is
detectedReplace NAVI control unit
Refer to AV-290, "AV (NAVI) Control Unit"
GPS Communication Error
GPS malfunction is detectedIf the symptoms such as the GPS receipt
malfunction occur, intermittent malfunction
caused by strong radio interference may
be detected.
If the malfunction always occurs, replace
NAVI control unit. GPS ROM Error
GPS RAM Error
GPS RTC ErrorError item Description Possible cause/Action to take

AV-246
[WITH MOBILE ENTERTAINMENT SYSTEM]
DIAGNOSIS SYSTEM
Revision: 2006 January2006 M35/M45
CONSULT-II Functions (Multi AV)NKS004B1
CONSULT-II can display each diagnostic item using the diagnostic test modes shown following.
OPERATION PROCEDURE
1. Turn ignition switch OFF.
2. Connect CONSULT-II and CONSULT-II CONVERTER to data
link connector, and turn ignition switch ON.
3. Touch “START (NISSAN BASED VHCL)”.
4. Touch “MULTI AV”
If “MULTI AV” is not indicated, check the following item.
AV (NAVI) control unit power supply and ground circuit.
CONSULT-II data link connector (DLC) circuit
Refer to LAN-7, "
Precautions When Using CONSULT-II" .
Diagnosis mode Description
SELF DIAG RESULTS
Performs the connection diagnosis of communication circuit between AV (NAVI) control unit
and system and displays the current and past malfunctions collectively.
The DVD-ROM drive diagnosis of NAVI control unit and the connection diagnosis between
NAVI control unit and GPS antenna can be performed (DVD-ROM drive will not be diagnosed
when no map DVD-ROM is in it)
DATA MONITOR The diagnosis of vehicle signal that input to the AV (NAVI) control unit can be performed
CAN DIAG SUPPORT MNTRThe transmitting/receiving of CAN communication can be monitored. Refer to LAN-20, "
CAN
Diagnostic Support Monitor" .
AV COMM MONITOR The transmitting/receiving of a system can be monitored
ECU PART NUMBER The part number of AV (NAVI) control unit can be checked
SKIB3794E
BCIA0029E
BCIA0030E

AV-248
[WITH MOBILE ENTERTAINMENT SYSTEM]
DIAGNOSIS SYSTEM
Revision: 2006 January2006 M35/M45
AV COMM CIRCUIT [U1300]
AUDIO H/U CONN [U1249]
AMP CONN [U124E]
REAR CAMERA CONN [U1252]Malfunction is detected on communi-
cation circuit between multifunction
switch and camera control unit
Communication circuit between multi-
function switch and camera control unit
Multifunction switch
Camera control unit
AV COMM CIRCUIT [U1300]
AUDIO H/U CONN [U1249]
AMP CONN [U124E]
Malfunction is detected on communi-
cation circuit between camera con-
trol unit and BOSE ampCommunication circuit between camera
control unit and BOSE amp
Camera control unit
BOSE amp
AV COMM CIRCUIT [U1300]
AUDIO H/U CONN [U1249]With rear control switch
Audio unit power supply and ground
circuit malfunction is detected
Malfunction is detected on communi-
cation circuit between BOSE amp
and rear control switch
Malfunction is detected on communi-
cation circuit between rear control
switch and audio unit
Malfunction is detected on communi-
cation signal between audio unit and
AV (NAVI) control unit
Communication circuit between BOSE
amp and rear control switch
Communication circuit between rear
control switch and audio unit
BOSE amp
Rear control switch
Audio unit
AV (NAVI) control unit
Without rear control switch
Audio unit power supply and ground
circuit malfunction is detected
Malfunction is detected on communi-
cation circuit between BOSE amp
and audio unit
Malfunction is detected on communi-
cation signal between audio unit and
AV (NAVI) control unit
Audio unit power supply and ground cir-
cuit
Communication circuit between BOSE
amp and audio unit
Audio unit
AV (NAVI) control unit
AV COMM CIRCUIT [U1300]
VIDEO DIST CONN [U1246]
Video distributor power supply and
ground circuit malfunction is
detected
Malfunction is detected on communi-
cation signal between video distribu-
tor and AV (NAVI) control unit
Video distributor power supply and
ground circuit
Video distributor
AV (NAVI) control unit
AV COMM CIRCUIT [U1300]
REAR CAMERA CONN [U1252]
Camera control unit power supply
and ground circuit malfunction is
detected
Malfunction is detected on communi-
cation signal between camera con-
trol unit and AV (NAVI) control unit
Camera control unit power supply and
ground circuit
Camera control unit
AV (NAVI) control unit
AV COMM CIRCUIT [U1300]
SWITCH CONN [U1240]
Multifunction switch power supply
and ground circuit malfunction is
detected
Malfunction is detected on communi-
cation signal between multifunction
switch and AV (NAVI) control unit
Multifunction switch power supply and
ground circuit
Multifunction switch
AV (NAVI) control unit
AV COMM CIRCUIT [U1300]
DVD DECK CONN [U1248]
DVD player power supply and
ground circuit malfunction is
detected
Malfunction is detected on communi-
cation signal between DVD player
and AV (NAVI) control unit
DVD player power supply and ground
circuit
DVD player
AV (NAVI) control unit Error item Description Possible cause/Action to take

DIAGNOSIS SYSTEM
AV-249
[WITH MOBILE ENTERTAINMENT SYSTEM]
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AV
Revision: 2006 January2006 M35/M45
AV COMM CIRCUIT [U1300]
AMP CONN [U124E]
BOSE amp power supply and
ground circuit malfunction is
detected
Malfunction is detected on communi-
cation signal between BOSE amp
and AV (NAVI) control unit
BOSE amp power supply and ground
circuit
BOSE amp
AV (NAVI) control unit
FRONT DISP CONN [U1243]
Front display unit power supply and
ground circuit malfunction is
detected
Malfunction is detected on communi-
cation circuit between front display
unit and AV (NAVI) control unit
Malfunction is detected on communi-
cation signal between front display
unit and AV (NAVI) control unit
Front display unit power supply and
ground circuit
Communication circuit between front
display unit and AV (NAVI) control unit
Front display unit
AV (NAVI) control unit
REAR DISP CONN [U1247]
Rear display unit power supply and
ground circuit malfunction is
detected
Malfunction is detected on communi-
cation circuit between rear display
unit and video distributor
Malfunction is detected on communi-
cation signal between rear display
unit and video distributor
Rear display unit power supply and
ground circuit
Rear display unit
Video distributor
GPS ANTENNA CONN [U1244]GPS antenna connection malfunction
is detected
GPS antenna feeder
GPS antenna
NAVI control unit
CAMERA CONT CONN [U1250]Camera and connection recognition
signal circuit malfunction is detected
Camera-connection recognition signal
circuit
Camera control unit
AV (NAVI) control unit
Count Unit FLASH-ROM [U1200]AV (NAVI) control unit malfunction is
detectedReplace AV (NAVI) control unit
Refer to AV-290, "
AV (NAVI) Control Unit"
Gyro NO CONN [U1201]NAVI control unit malfunction is
detectedReplace NAVI control unit
Refer to AV-290, "AV (NAVI) Control Unit"
GPS COMM [U1204]
GPS malfunction is detectedIf the symptoms such as the GPS receipt
malfunction occur, intermittent malfunction
caused by strong radio interference may
be detected.
If the malfunction always occurs, replace
NAVI control unit. GPS ROM [U1205]
GPS RAM [U1206]
GPS RTC [U1207]Error item Description Possible cause/Action to take

TROUBLE DIAGNOSIS
AV-253
[WITH MOBILE ENTERTAINMENT SYSTEM]
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AV
Revision: 2006 January2006 M35/M45
TROUBLE DIAGNOSISPFP:00004
Multifunction Switch Cannot Be OperatedNKS004B2
1. PERFORM CONSULT-II SELF-DIAGNOSIS
Perform CONSULT-II self-diagnosis and check the malfunction. Refer to AV-103, "
SELF-DIAG RESULTS" .
Is there a malfunction?
YES >> Refer to AV- 1 0 3 , "Display Item of SELF-DIAG RESULTS" .
NO >> Replace multifunction switch
RGB Image Is Not DisplayedNKS004B3
RGB IMAGE IS NOT DISPLAYED ON FRONT AND REAR DISPLAYS
1. DIAGNOSIS USING CONSULT-II
Start CONSULT-II, and make sure that “MULTI AV” is displayed on SELECT SYSTEM screen. Refer to AV-
102, "OPERATION PROCEDURE" .
OK or NG
OK >> Refer to AV- 1 0 3 , "SELF-DIAG RESULTS" .
NG >> Check AV (NAVI) control unit power supply and ground circuit.
ONLY FRONT DISPLAY
1. CHECK HARNESS BETWEEN AV (NAVI) CONTROL UNIT AND VIDEO DISTRIBUTOR
1. Disconnect AV (NAVI) control unit connector and video distributor connector.
2. Check continuity between video distributor harness connector
M207 terminal 48 and ground.
OK or NG
OK >> GO TO 2.
NG >> Repair harness or connector.
2. CHECK RGB AREA SIGNAL FOR AV (NAVI) CONTROL UNIT
1. Connect AV (NAVI) control unit connector.
2. Turn ignition switch ON.
3. Check voltage between AV (NAVI) control unit harness connec-
tor M210 terminal 50 and ground.
OK or NG
OK >> GO TO 3.
NG >> Replace AV (NAVI) control unit.48 – Ground : Continuity should not exist.
SKIB4593E
50 – Ground : Approx. 5 V
SKIB6893E