audio INFINITI FX35 2005 Manual PDF

NAVIGATION SYSTEM AV-127
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AV
Revision: 2005 July 2005 FX
Terminals and Reference Value for A/C and AV SwitchAKS007IY
Terminal No.
(Wire color) Item Signal
input/
output Condition
Vo l ta g e Example of
symptom
+– Ignition
switch Operation
1 (W/L) Ground Battery power
supply Input OFF — Battery voltage System does not
work properly.
2 (LG/R) Ground ACC power
supply Input ACC — Battery voltage System does not
work properly.
3 (R/L) Ground Illumination
signal Input OFF Lighting switch is
ON (position 1). Approx. 12 V
A/C and AV
switch illumina-
tion does not
come on when
lighting switch is
ON(position 1).
Turn lighting switch
OFF. Approx. 0 V
4 (R/Y) Ground Illumination
control signal Output ON Illumination control
switch is operated
by lighting switch in 1st or 2nd position. Changes between approx.0 V
and approx.12 V Audio unit illumi-
nation can not be
controlled.
5 (B) Ground Ground — ON — Approx. 0 V —
6 (B/R) Ground Communica-
tion signal (+) Input/
Output ON — System does not
work properly.
7— Shield
ground —— — — —
8 (W/R) Ground Communica-
tion signal (–) Input/
Output ON — System does not
work properly.
SKIA0175E
SKIA0176E

NAVIGATION SYSTEM AV-129
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AV
Revision: 2005 July 2005 FX
Self-Diagnosis Mode (DCU)AKS007J0
OPERATION PROCEDURE
1. Start the engine.
2. Turn the audio system off.
3. While pressing the “MUTE/ II ” button, turn the volume control
dial clockwise or counterclockwise for 30 clicks or more. (When
the self-diagnosis mode is started, a short beep will be heard.)

Shifting from current screen to previous screen is performed
by pressing “PREV” button.
4. The initial trouble diagnosis screen will be shown, and items “Self-Diagnosis (DCU)”,“Self-Diagnosis (NAVI)”, “Confirmation/
Adjustment” and “CAN DIAG SUPPORT MONITOR” will
become selective.
5. Perform self-diagnosis by selecting the “Self-diagnosis (DCU)”.

Self-diagnosis subdivision screen will be shown and the oper-
ation enters the self-diagnosis mode.

A bar graph shown below the self-diagnosis subdivision
screen indicates progress of the diagnosis.
6. When the self-diagnosis completes, optional part confirmation screen will be shown.

When connection of an optional part is judged error, a screen
to check if the optional part is actually fitted on the vehicle or
not will be shown. When fitted, select the switch of the part on
the screen and press “End”. Then the “SELF DIAGNOSIS”
screen will be shown.

When the optional part is connected normally, the switch for
the part will not appear on the screen.
PKIB4131E
SKIA4207E
SKIA4208E
SKIA4209E

AV-130
NAVIGATION SYSTEM
Revision: 2005 July 2005 FX
7. On the “SELF DIAGNOSIS” screen, each unit name will be col-
ored according to the diagnosis result, as follows.

If several malfunctions are present in a unit, color of its switch
on the screen will be either red, yellow, or gray, determined by
the malfunction of the highest priority.
8. Select a switch on the “SELF DIAGNOSIS” screen and com- ments for the diagnosis results will be shown.

When the switch is green, the following comment will be
shown. “Self-diagnosis was successful. Further diagnosis and
adjustments are recommended. Follow the “confirmation/
adjustments” menu or refer to the service manual.”.

When the switch is yellow, the following comment will be
shown. “Connection to the following unit is abnormal. See the
service manual for further details”.

When the switch is red, the following comment will be shown.
“DCU is abnormal”.
SELF–DIAGNOSIS RESULT
Quick Reference Table
1. Select an malfunctioning diagnosis No. in the diagnosis result quick reference table.
2. Find estimated malfunctioning system in the diagnosis number table and perform check by referring to AV-
11 4 , "Wiring Diagram — COMM —" .
3. Turn the ignition switch OFF and perform self-diagnosis again.
*: DCU = Display control unit
CAUTION:

When A/C and AV switch has a malfunction, self–diagnosis cannot be started.

When display has a malfunction, self–diagnosis cannot be started.

Check the following when the self-diagnosis mode cannot be used.
–AV communication line between display control unit and A/C and AV switch. Refer to AV- 1 5 4 , "AV
Communication Line Check (Between Display Control Unit and A/C and AV Switch)" .
–A/C and AV switch power supply and ground circuit. Refer to AV- 1 4 5 , "Power Supply and Ground
Circuit Check for A/C and AV Switch" .
–Display power supply and ground circuit. Refer to AV- 1 4 4 , "Power Supply and Ground Circuit
Check for Display" .
Green : No malfunctioning.
Yellow : Cannot be judged by self-diagnosis results.
Red : Unit is malfunctioning.
Gray : Diagnosis has not been done.
SKIA4210E
SKIA4211E
Screen switch Diagnosis
No.
Switch color DCU* Display Audio unit Navigation GPS antenna
Red × 1
Ye l l o w xx 2
×× 3
××× 4

NAVIGATION SYSTEM AV-131
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Revision: 2005 July 2005 FX
Self-Diagnosis Codes
Self-Diagnosis Mode (NAVI)AKS007J1
OPERATION PROCEDURE
1. Start the engine.
2. Turn the audio system off.
3. While pressing the “MUTE/ II ” button, turn the volume control
dial clockwise or counterclockwise for 30 clicks or more. (When
the self-diagnosis mode is started, a short beep will be heard.)

Shifting from current screen to previous screen is performed
by pressing “PREV” button.
4. The initial trouble diagnosis screen will be shown, and items “Self-Diagnosis (DCU)”, “Self-Diagnosis (NAVI)”, “Confirmation/
Adjustment” and “CAN DIAG SUPPORT MONITOR” will
become selective.
5. Perform self-diagnosis by selecting the “Self-diagnosis (NAVI)”.

Self-diagnosis subdivision screen will be shown and the oper-
ation enters the self-diagnosis mode.

A bar graph shown below the self-diagnosis subdivision
screen indicates progress of the diagnosis.
6. On the “SELF DIAGNOSIS” screen, each unit name will be col- ored according to the diagnosis result, as follows.

If several malfunctions are present in a unit, color of its switch
on the screen will be either red, yellow, or gray, determined by
the malfunction of the highest priority.
Diagnosis No. Possible cause Reference page
1 Display control unit malfunction AV-181
2 Display communication line between display control unit and display.AV-152
3 Audio unit power supply and ground circuit.
Audio communication line between display control unit and audio unit. AV-150
4 AV communication line check (between display control unit and NAVI control unit)
AV-149
PKIB4131E
SKIA4207E
SKIA4212E
Green : No malfunctioning.
Yellow : Cannot be judged by self-diagnosis results.
Red : Unit is malfunctioning.
Gray : Diagnosis has not been done.
SKIA4214E

NAVIGATION SYSTEM AV-133
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AV
Revision: 2005 July 2005 FX
Confirmation/Adjustment ModeAKS007J2
OPERATION PROCEDURE
1. Start the engine.
2. Turn the audio system off.
3. While pressing the “MUTE/ II ” button, turn the volume control
dial clockwise or counterclockwise for 30 clicks or more. (When
the self-diagnosis mode is started, a short beep will be heard.)

Shifting from current screen to previous screen is performed
by pressing “PREV” button.
4. The initial trouble diagnosis screen will be shown, and items “Self-Diagnosis (DCU)”,“Self-Diagnosis (NAVI)”,“Confirmation/
Adjustment” and “CAN DIAG SUPPORT MONITOR” will
become selective.
5. When “Confirmation/Adjustment” is selected on the initial trouble diagnosis screen, the operation will enter the CONFIRMATION/
ADJUSTMENT mode. In this mode, check and adjustment of
each item will become possible.
6. The initial screen will be shown, and items “Display Diagno- sis”,“Vehicle Signals”,“Auto Climate Control” and “Navigation”
will become selective.
7. Select each switch on “CONFIRMATION/ADJUSTMENT” screen to display the relevant diagnosis screen.
3 When “DVD-ROM error. Please check disc.” is shown.
1. Eject map DVD-ROM and check if it is compatible with the system.
2. Check ejected DVD-ROM for dirt, damage, and warpage.
3. If no error is found, insert a known good map DVD-ROM of the same type and perform self-diagnosis again. If same result is shown, the NAVI control unit is malfunctioning. If result is normal, the map DVD-
ROM is malfunctioning. AV-155
4
If “Error found in DVD-ROM or DVD-ROM driver in control unit. Please perform diagnosis in accordance with
service manual” is shown, carry out same inspection as diagnosis No. 3. AV-155
5 GPS antenna system
1. Visually check for a broken wire in the GPS antenna coaxial cable.
2. Disconnect GPS antenna connector, and make sure approximately 5V is supplied from the NAVI control unit. If not, the NAVI control unit is malfunctioning. If 5V is supplied, replace the GPS antenna. If the con-
nection is still malfunction after the replacement of the GPS antenna, the NAVI control unit is malfunction-
ing. AV-156
Diagnosis
No. Possible cause Reference
page
PKIB4131E
SKIA4207E
SKIA4220E

AV-140
NAVIGATION SYSTEM
Revision: 2005 July 2005 FX
CAN Diag Support MonitorAKS007J3
OPERATION PROCEDURE
1. Start the engine.
2. Turn the audio system off.
3. While pressing the “MUTE/ II ” button, turn the volume control
dial clockwise or counterclockwise for 30 clicks or more. (When
the self-diagnosis mode is started, a short beep will be heard.)

Shifting from current screen to previous screen is performed
by pressing “PREV” button.
4. The initial trouble diagnosis screen will be shown, and items “Self-Diagnosis (DCU)”, “Self-Diagnosis (NAVI)”, “Confirmation/
Adjustment” and “CAN DIAG SUPPORT MONITOR” will
become selective.
5. Select “CAN DIAG SUPPORT MONITOR”.
6. Display status of CAN communication.
NOTE:
Counter shows the status of CAN communication
PKIB4131E
SKIA4207E
Item Content Error counter
(Reference value)
CANCOMM OK/NG 0-50
CAN_CIRC_1 OK/UNKWN 0-50
CAN_CIRC_2 OK/UNKWN 0-50
CAN_CIRC_3 OK/UNKWN 0-50
CAN_CIRC_4 OK/UNKWN 0-50
CAN_CIRC_5 OK/UNKWN 0-50
CAN_CIRC_6 OK/UNKWN 0-50
CAN_CIRC_7 OK/UNKWN 0-50
CAN_CIRC_8 OK/UNKWN 0-50
CAN_CIRC_9 OK/UNKWN 0-50
SKIA4288E

NAVIGATION SYSTEM AV-141
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AV
Revision: 2005 July 2005 FX
A/C and AV Switch Self-Diagnosis FunctionAKS007J4
DESCRIPTION
It can check ON/OFF operation of each switch in the A/C and AV switch and diagnose the input signals to the
steering switch (audio).
Starting the Self-Diagnosis Mode
1. Turn ignition switch from OFF to ACC.
2. Within 10 seconds press and hold the witches “MUTE/ II ” and
“PREV” simultaneously for 3 seconds.
Then the self-diagnosis operates.
Exiting the Self-Diagnosis Mode
Turn ignition switch OFF. Then the self-diagnosis ends.
Diagnosis Function

It can illuminate all the indicators (LED) in the A/C and AV switch.

It can check for continuity of the switches by sounding the buzzer when the A/C and AV switch is pressed.

It can check for continuity of harness between A/C and AV switch and steering switch (audio).
SKIB0314E

AV-150
NAVIGATION SYSTEM
Revision: 2005 July 2005 FX
2. CHECK HARNESS
1. Turn ignition switch OFF.
2. Disconnect NAVI control unit connector and display control unit connector.
3. Check continuity between NAVI control unit and display control unit.
4. Check continuity between NAVI control unit and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair harness or connector.
3. SELF-DIAGNOSIS OF DCU
1. Replace same normal display control unit.
2. Connect NAVI control unit connector and display control unit connector.
3. Turn ignition switch ON.
4. Start self-diagnosis of DCU, and check the self-diagnosis result.
OK or NG
OK >> Replace display control unit.
NG >> Replace NAVI control unit.
Audio Communication Line Check (Between Display Control Unit and Audio
Unit)
AKS007JI
1. CHECK POWER SUPPLY AND GROUND CIRCUIT
Check power supply and ground circuit of audio unit. Refer to AV- 4 1 , "
Power Supply Circuit Inspection" .
OK or NG
OK >> GO TO 2.
NG >> Check the malfunctioning parts.
Terminals
Continuity
NAVI control unit Display control unit
Connector Terminal
(Wire color) ConnectorTe r m i n a l
(Wire color)
B207 44 (L)
M76 32 (BR)
Ye s
45 (P) 34 (Y)
Te r m i n a l s Continuity
NAVI control unit
Connector Terminal (Wire color) Terminal
B207 44 (L)
Ground No
45 (P)
PKIA2873E

NAVIGATION SYSTEM AV-151
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AV
Revision: 2005 July 2005 FX
2. CHECK HARNESS
1. Turn ignition switch OFF.
2. Disconnect audio unit connector and display control unit connector.
3. Check continuity between audio unit and display control unit.
4. Check continuity between display control unit and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair harness or connector.
3. CHECK 1: AUDIO-TX COMMUNICATION SIGNAL
1. Connect display control unit connector.
2. Turn ignition switch ON.
3. Check voltage between display control unit harness connector M76 terminal 40 (LG) and ground.
OK or NG
OK >> GO TO 4.
NG >> Replace display control unit.
4. CHECK 2: AUDIO-RX COMMUNICATION SIGNAL
1. Turn ignition switch OFF.
2. Connect audio unit connector.
3. Turn ignition switch ON.
4. Check voltage between display control unit harness connector M76 terminal 42 (B/Y) and ground.
OK or NG
OK >> GO TO 5.
NG >> Replace audio unit.
Terminals
Continuity
Display control unit Audio unit
Connector Terminal
(Wire color) Connector Terminal
(Wire color)
M76 40 (LG)
M60 23 (LG)
Ye s
42 (B/Y) 21 (B/Y)
Te r m i n a l s Continuity
Display control unit
—
Connector Terminal (Wire color)
M76 40 (LG)
Ground No
42 (B/Y)
PKIA2875E
Approx. 3.5 V or more
PKIA2876E
Approx. 3.5 V or more
PKIA2877E

AV-152
NAVIGATION SYSTEM
Revision: 2005 July 2005 FX
5. CHECK 3: AUDIO-TX COMMUNICATION SIGNAL
Check signal between display control unit harness connector M76
terminal 40 (LG) and ground with CONSULT-ll or oscilloscope.
OK or NG
OK >> GO TO 6.
NG >> Replace audio unit.
6. CHECK 4: AUDIO-RX COMMUNICATION SIGNAL
Check signal between display control unit harness connector M76
terminal 42 (B/Y) and ground with CONSULT-ll or oscilloscope.
OK or NG
OK >> Replace audio unit.
NG >> Replace display control unit.
Display Communication Line Check (Between Display Control Unit and Display)AKS007JJ
1. CHECK HARNESS
1. Turn ignition switch OFF.
2. Disconnect display connector and display control unit connector.
3. Check continuity between display control unit and Display.
4. Check continuity between display control unit and ground.
OK or NG
OK >> GO TO 2.
NG >> Repair harness or connector. 40 (LG) - Ground : Refer to
AV- 1 2 1 , "
Terminals and
Reference Value for Display Control
Unit" .
PKIA2878E
42 (B/Y) - Ground : Refer to AV- 1 2 1 , "Terminals and
Reference Value for Display Control
Unit" .
PKIA2879E
Terminals
Continuity
Display control unit Display
Connector Terminal
(Wire color) Connector Te r m i n a l
(Wire color)
M76 36 (PU)
M63 11 ( P U )
Ye s
38 (LG) 22 (LG)
Terminals Continuity
Display control unit
Te r m i n a l
Connector Terminal (Wire color)
M76 36 (PU)
Ground No
38 (LG)
PKIA2880E