2005 INFINITI FX35 audio

AV-82
INTEGRATED DISPLAY SYSTEM
Revision: 2005 July 2005 FX
Ignition Signal InspectionAKS005UG
1. CHECK IGNITION SIGNAL
1. Turn ignition switch ON.
2. Check voltage between display unit harness connector M62 ter- minal 3 (G/R) and ground.
OK or NG
OK >> Replace display unit.
NG >> Check harness for open or short between display unit and fuse.
Audio Communication Line InspectionAKS005UH
1. CHECK HARNESS
1. Turn ignition switch OFF.
2. Disconnect audio unit connector and display unit connector.
3. Check continuity between audio unit and display unit.
4. Check continuity between display unit and ground.
OK or NG
OK >> GO TO 2.
NG >> Repair harness or connector.
2. CHECK AUDIO COMMUNICATION SIGNAL(DSP–AUD)
1. Connect display unit connector.
2. Turn ignition switch ON.
3. Check voltage between display unit harness connector M62 ter- minal 8 (LG) and ground.
OK or NG
OK >> GO TO 3.
NG >> Replace display unit. Battery voltage should exist.
SKIA9482E
Terminals
Continuity
Display unit Audio unit
Connector Terminal
(Wire color) Connector
Terminal
(Wire color)
M62 8 (LG)
M60 23 (LG)
Ye s
10 (B/Y) 21 (B/Y)
925
Terminals Continuity
Display unit
—
Connector Terminal (Wire color)
M62 8 (LG)
Ground No
10 (B/Y)
SKIA4994E
Approx. 3.5V or more
SKIA4396E

INTEGRATED DISPLAY SYSTEM AV-83
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Revision: 2005 July 2005 FX
3. CHECK AUDIO COMMUNICATION SIGNAL(AUD–DSP)
1. Turn ignition switch OFF and connect audio unit connector.
2. Turn ignition switch ON.
3. Check voltage between audio unit harness connector M60 ter- minal 21 (B/Y) and ground.
OK or NG
OK >> GO TO 4.
NG >> Replace audio unit.
4. CHECK AUDIO COMMUNICATION SIGNAL(DSP–AUD)
1. Turn ignition switch ON.
2. Check the signal between display unit harness connector M62 terminal 8 (LG) and ground with CONSULT-ll or oscilloscope.
OK or NG
OK >> GO TO 5.
NG >> Replace display unit.
5. CHECK AUDIO COMMUNICATION SIGNAL(AUD–DSP)
1. Turn ignition switch ON.
2. Check the signal between display unit harness connector M62 terminal 10 (B/Y) and ground with CONSULT-ll or oscilloscope.
OK or NG
OK >> INSPECTION END
NG >> Replace audio unit. Approx. 3.5 V or more
SKIA4996E
8 (LG) - Ground:
SKIA4995ESKIA4402E
10 (B/Y) - Ground:
SKIA4999ESKIA4403E

AV-86
INTEGRATED DISPLAY SYSTEM
Revision: 2005 July 2005 FX
Audio Steering Wheel Switch InspectionAKS005UK
Refer to AV- 4 2 , "Audio Steering Wheel Switch Inspection" .
Removal and Installation of DisplayAKS005UL
REMOVAL
1. Remove audio unit. Refer to AV- 4 7 , "Removal and Installation of
Audio Unit" .
2. Remove screws (4), and remove display.
INSTALLATION
Installation is the reverse order of removal.
Removal and Installation of A/C and AV SwitchAKS005UM
Refer to AV- 4 8 , "Removal and Installation for A/C and AV Switch" .
SKIA6167E

NAVIGATION SYSTEM AV-121
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Revision: 2005 July 2005 FX
Terminals and Reference Value for Display Control UnitAKS007IW
Terminal No.
(Wire color) Item Signal
input/
output Condition
Voltage Example of
symptom
+– Ignition
switch Operation
1 (W/L) Ground Battery Power
supply Input OFF — Battery voltage System does not
work properly.
2 (W/G) Ground Power Sup-
ply (Inverter) Output ON — Approx. 9 V Screen is not
shown.
3 (B) Ground Ground — ON — Approx. 0 V —
4 (BR/W) Ground Power Sup-
ply (Signal) Output ON — Approx. 9 V
Screen is not
shown.
5 (P) Ground (Inverter)
Ground — ON — Approx. 0 V —
6 (OR) Ground Reverse
signal Input ON Selector lever in R
position Approx. 12 V
Impossible to
gain direction of
vehicle.
Selector lever not
in R position Approx. 0 V
7 (P/L) Ground (Signal)
Ground — ON — Approx. 0 V —
10 (LG/R) Ground ACC power
supply Input ACC — Battery voltage System does not
work properly.
12 (G/R) Ground Ignition signal Input ON — Battery voltage A/C operation is
not possible.
Vehicle informa-
tion setting is not
possible.
13 (B) Ground Sysco — ON — Approx. 0 V —
14 (R/L) Ground Illumination
signal Input OFF Lighting switch
position 1st or 2nd Approx. 12 V Audio unit illumi-
nation does not
come on when
lighting switch is
ON (position 1).
Lighting switch
position OFF Approx. 0 V
16 (R/G) Ground Vehicle speed
signal (8–
pulse) Input ON When vehicle
speed is approx.
40 km/h (25 MPH) Value of vehicle
information is
not accurately
displayed.
25 (L) — CAN H — — — — —
26 (R) — CAN L — — — — —
28 (B/R) Ground Communica-
tion signal (+) Input/
Output ON —
System does not
work properly.
29 — Shield ground — — — — —
PKIA1935E
SKIA0175E

AV-122
NAVIGATION SYSTEM
Revision: 2005 July 2005 FX
30 (W/R) Ground Communica-
tion signal (–) Input/
output ON — System does not
work properly.
32 (BR) Ground Communica-
tion signal (+) Input/
output ON — System does not
work properly.
33 — Shield ground — — — — —
34 (Y) Ground Communica-
tion signal (–) Input/
output ON — System does not
work properly.
36 (PU) Ground Display Com-
munication
signal
(DCU-DSP) Output ON
Press the “TRIP”
button. Though a screen
is displayed, it is
impossible to
adjust bright-
ness.
37 — Shield ground — — — — —
38 (LG) Ground Display Com-
munication
signal
(DSP-DCU) Input ON
Press the “TRIP”
button. Though a screen
is displayed, it is
impossible to
adjust bright-
ness.
39 — Shield ground — — — — —
40 (LG) Ground Audio
Communica-
tion signal Output ON
Operate audio
volume. Audio dose not
operate properly.
41 — Shield ground — — — — — Terminal No.
(Wire color) Item Signal
input/
output Condition
Voltag e Example of
symptom
+– Ignition
switch Operation
SKIA0176E
SKIA0175E
SKIA0176E
SKIA4364E
SKIA4363E
SKIA4403E

NAVIGATION SYSTEM AV-123
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Revision: 2005 July 2005 FX
42 (B/Y) Ground Audio
communica-
tion signal Input ON
Operate audio
volume. Audio dose not
operate properly.
43 (G/B) 41 RGB synchro-
nizing signal Input ON Press the “MAP”
button. RGB screen is
rolling.
44 (R/W) 45 RGB signal
(R: red) Input ON Select “Display
Diagnosis (NAVI)”
of CONFIRMA-
TION/ADJUST-
MENT function. RGB screen
looks bluish.
45 — Shield ground — — — — —
46 (R/L) 45 RGB signal
(G: green) Input ON Select “Display
Diagnosis (NAVI)”
of CONFIRMA-
TION/ADJUST-
MENT function. RGB screen
looks reddish.
47 — Shield ground — — — — —
48 (B) 45 RGB signal
(B: blue) Input ON Select “Display
Diagnosis (NAVI)”
of CONFIRMA-
TION/ADJUST-
MENT function. RGB screen
looks yellowish.
49 — Shield ground — — — — —
50 (L/R) 47 RGB signal
(R: red) Output ON Select “Display
Diagnosis (DCU)”
of CONFIRMA-
TION/ADJUST-
MENT function. RGB screen
looks bluish.
Terminal No.
(Wire color) Item Signal
input/
output Condition
Voltage Example of
symptom
+– Ignition
switch Operation
SKIA4402E
SKIA0164E
SKIA4977E
SKIA4978E
SKIA4979E
SKIA4980E

NAVIGATION SYSTEM AV-127
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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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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