audio INFINITI FX35 2004 Repair Manual

AV-82
INTEGRATED DISPLAY SYSTEM
Revision: 2004 November 2004 FX35/FX45
Ignition Signal InspectionAKS00BON
1. CHECK IGNITION SIGNAL
1. Disconnect display unit connector.
2. Turn ignition switch ON.
3. Check voltage between display unit harness connector M62 ter-
minal 3 (G/R) and ground.
OK or NG
OK >> INSPECTION END
NG >> Repair harness or connector.
Audio Communication Line InspectionAKS00BOO
1. CHECK HARNESS
1. Turn ignition switch OFF.
2. Disconnect audio unit connector and display unit connector.
3. Check continuity between audio unit harness connector termi-
nals and display unit harness connector terminals.
4. Check continuity between display unit harness connector termi-
nals and ground.
OK or NG
OK >> GO TO 2.
NG >> Repair harness or connector.3 – Ground : Battery voltage
SKIB0447E
Terminals
Continuity Display unit Audio unit
ConnectorTerminal
(Wire color)ConnectorTerminal
(Wire color)
M628 (LG)
M6023 (LG)
Ye s 10 (B/Y) 21 (B/Y)
925
SKIA9935E
Terminals
Continuity Display unit
Ground Connector Terminal (Wire color)
M628 (LG)
No
10 (B/Y)
SKIA9936E

INTEGRATED DISPLAY SYSTEM
AV-83
C
D
E
F
G
H
I
J
L
MA
B
AV
Revision: 2004 November 2004 FX35/FX45
2. CHECK AUDIO UNIT
1. Connect audio unit connector.
2. Turn ignition switch ON.
3. Check voltage between audio unit harness connector M60 ter-
minal 23 (LG) and ground.
OK or NG
OK >> GO TO 3.
NG >> Replace audio unit.
3. CHECK DISPLAY UNIT
1. Turn ignition switch OFF.
2. Dsconnect audio unit connector, and connect display unit connector.
3. Turn ignition switch ON.
4. Check voltage between display unit harness connector M62 ter-
minal 10 (B/Y) and ground.
OK or NG
OK >> GO TO 4.
NG >> Replace display unit.
4. CHECK AUDIO TX COMMUNICATION SIGNAL
1. Turn ignition switch OFF.
2. Connect audio unit connector.
3. Turn ignition switch ON.
4. Check signal between display unit harness connector M62 ter-
minal 8 (LG) and ground with CONSULT-ll or oscilloscope.
OK or NG
OK >> GO TO 5.
NG >> Replace dispaly unit.23 – Ground : Approx. 4V
SKIA9484E
10 – Ground : Approx. 4V
SKIA9485E
8 – Ground:
SKIA4995E
SKIA4402E

AV-84
INTEGRATED DISPLAY SYSTEM
Revision: 2004 November 2004 FX35/FX45
5. CHECK AUDIO RX COMMUNICATION SIGNAL
1. Turn ignition switch ON.
2. Check signal between display unit harness connector M62 ter-
minal 10 (B/Y) and ground with CONSULT-ll or oscilloscope.
OK or NG
OK >> INSPECTION END
NG >> Replace audio unit.
A/C and AV Switch Does Not OperateAKS00BOP
1. CHECK A/C AND AV SWITCH
Check A/C and AV switch. Refer to AV- 4 1 , "
A/C and AV Switch Inspection" .
OK or NG
OK >> GO TO 2.
NG >> Repair malfunctioning parts.
2. CHECK A/C AND AV SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect display unit connector and A/C and AV switch connector.
3. Check continuity between display unit and A/C and AV switch.
4. Check continuity between display unit and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair harness or connector.10 – Ground:
SKIA4999E
SKIA4403E
Terminals
Continuity Display unit A/C and AV switch
ConnectorTerminal
(Wire color)ConnectorTe r m i n a l
(Wire color)
M6211 (B/R)
M646 (B/R)
Ye s 13 (W/R) 8 (W/R)
12 7
SKIB0523E
Terminals
Continuity Display unit
Ground Connector Terminals
M6211 ( B / R )
No
13 (W/R)
SKIA7146E

INTEGRATED DISPLAY SYSTEM
AV-85
C
D
E
F
G
H
I
J
L
MA
B
AV
Revision: 2004 November 2004 FX35/FX45
3. CHECK AV COMMUNICATION SIGNAL
1. Replace A/C and AV switch.
2. Check A/C and AV switch if it functions normally.
OK or NG
OK >> INSPECTION END
NG >> Replace display unit switch.
CAN Communication Line InspectionAKS00BOQ
1. CHECK MONITOR DESCRIPTION
1. Start display unit self-diagnosis. Refer to AV- 7 4 , "
Self-Diagnosis Mode" .
2. Select “CAN DIAG MNTR”. Refer to AV- 7 6 , "
CAN DIAG MNTR
(CAN DIAG MONITOR)" .
3. Record each item display description (OK/NG/UKNWN) displayed on the following CAN DIAG MONITOR
Check Sheet.
CAN DIAG MONITOR Check Sheet
>> After filling in CAN DIAG MONITOR Check Sheet, go to LAN-4, "
Precautions When Using CON-
SULT-II" .
Audio Steering Wheel Switch InspectionAKS00BOR
1. A/C AND AV SWITCH SELF-DIAGNOSIS FUNCTION
1. Start A/C and AV switch self-diagnosis function. Refer to AV- 3 5 , "
A/C and AV Switch Self-Diagnosis Func-
tion" .
2. Operate audio steering wheel switch.
Does the audio steering wheel switch is operated normally?
YES >> INSPECTION END (System is OK)
NO >> GO TO 2
Diagnosis itemData monitor display description
Normal conditionAbnormal condition
(example)
CANCOMM OK NG
CAN1 OK UNKWN
CAN2 OK UNKWN
CAN3 OK UNKWN
CAN4 OK UNKWN
CAN5 OK UNKWN
CAN6 OK UNKWN
CAN7 OK UNKWN
CAN8 OK UNKWN
CAN9 OK UNKWN
SKIA5927E
Diagnosis item Screen display Diagnosis item Screen display
CANCOMM OK NG CAN5 OK UNKWN
CAN1 OK UNKWN CAN6 OK UNKWN
CAN2 OK UNKWN CAN7 OK UNKWN
CAN3 OK UNKWN CAN8 OK UNKWN
CAN4 OK UNKWN CAN9 OK UNKWN

AV-86
INTEGRATED DISPLAY SYSTEM
Revision: 2004 November 2004 FX35/FX45
2. CHECK HARNESS
1. Turn ignition switch OFF.
2. Disconnect A/C and AV switch connector and spiral cable connector (Vehicle harness side).
3. Check continuity between spiral cable harness connector termi-
nals and A/C and AV switch harness connector terminals.
4. Check continuity between A/C and AV switch harness connector
terminals and ground.
OK or NG
OK >> GO TO 3
NG >> Repair harness or connector.
3. CHECK SPIRAL CABLE
1. Disconnect spiral cable connector (Audio steering wheel switch harness side).
2. Check continuity between spiral cable connector terminals.
OK or NG
OK >> GO TO 4
NG >> Replace spiral cable.
Terminals
Continuity Spiral cable A/C and AV switch
ConnectorTerminal
(Wire color)ConnectorTerminal
(Wire color)
M1524 (R/G)
M6412 (R/G)
Ye s 31 (B/Y) 14 (B/Y)
32 (G/W) 13 (G/W)
Te r m i n a l s
Continuity A/C and AV switch
Ground Connector Terminal (wire color)
M6412 (R/G)
No 13 (G/W)
14 (B/Y)
SKIB0522E
Terminals
Continuity Spiral cable
ConnectorTerminal
(Wire color)Connector Terminal
M1524
M20320
Ye s 31 17
32 16
SKIB0521E

INTEGRATED DISPLAY SYSTEM
AV-87
C
D
E
F
G
H
I
J
L
MA
B
AV
Revision: 2004 November 2004 FX35/FX45
4. CHECK AUDIO STEERING WHEEL SWITCH
Check resistance audio steering wheel switch connector M203 ter-
minals.
OK or NG
OK >> Replace A/C and AV switch.
NG >> Replace audio steering wheel switch.
Removal and Installation of DisplayAKS00BOS
REMOVAL
1. Remove audio unit. Refer to AV- 4 4 , "Removal and Installation of
Audio Unit" .
2. Remove screws (4), and remove display.
INSTALLATION
Install in the reverse order of removal.
Removal and Installation of A/C and AV SwitchAKS00BOT
Refer toAV- 4 5 , "Removal and Installation for A/C and AV Switch" .
Terminal
(Wire color)Switch name ConditionResistance
(Ω)
16
(L)
17
(BR)Power Depress power switch. Approx. 0
Seek down Depress seek down switch. Approx. 165
Volume (down) Depress volume down switch. Approx. 652
20
(W)Mode Depress mode switch. Approx. 0
Seek up Depress seek up switch. Approx. 165
Volume (up) Depress volume up switch. Approx. 652
SKIA9400E
SKIA6167E

NAVIGATION SYSTEM
AV-123
C
D
E
F
G
H
I
J
L
MA
B
AV
Revision: 2004 November 2004 FX35/FX45
Terminals and Reference Value for Display Control UnitAKS00BMZ
Terminal
(Wire color)
ItemSignal
input/
outputCondition
Reference valueExample of
symptom
+–Igni-
tion
switchOperation
1 (W/L) GroundBattery
Power supplyInput OFF – Battery voltageSystem does not
work properly.
2 (W/G) GroundPower Sup-
ply (Inverter) Output ON – Approx. 9VScreen is not
shown
3 (B) Ground Ground – ON – Approx. 0V –
4 (BR/W) GroundPower Sup-
ply (Signal) Output ON – Approx. 9VScreen is not
shown
5 (P) Ground(Inverter)
Ground – ON – Approx. 0VScreen is not
shown
6 (OR) GroundReverse
signalInput ONSelector lever in R
positionApprox. 12V
Impossible to
gain direction of
vehicle. Selector lever
except R positionApprox. 0V
7 (P/L) Ground(Signal)
Ground – ON – Approx. 0V –
10 (LG/R) GroundACC power
supplyInput ACC – Battery voltageSystem does not
work properly.
12 (G/R) Ground Ignition signal Input ON – Battery voltageA/C operation is
not possible.
Vehicle informa-
tion setting is not
possible.
13 (B) Ground sysco – ON – Approx. 0V –
14 (R/L) GroundIllumination
signalInput OFFLighting switch is
ON.Approx. 12VAudio unit illumi-
nation does not
come on when
lighting switch is
ON. Lighting switch is
OFF.Approx. 0V
16 (R/G) GroundVehicle
speed signal
(8–pulse)Input ONWhen 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) GroundCommunica-
tion signal (+)Input/
OutputON –System does not
work properly.
29 –Shield
ground–– – – –
PKIA1935E
SKIA0175E

AV-124
NAVIGATION SYSTEM
Revision: 2004 November 2004 FX35/FX45
30 (W/R) GroundCommunica-
tion signal (–)Input/
outputON –System does not
work properly.
32 (BR) GroundCommunica-
tion signal (+)Input/
outputON –System does not
work properly.
33 –Shield
ground–– – – –
34 (Y) GroundCommunica-
tion signal (–)Input/
outputON –System does not
work properly.
36 (PU) GroundDisplay Com-
munication
signal
(DCU-DSP)Output ONPress the “TRIP”
button.Though a screen
is displayed, it is
impossible to
adjust bright-
ness.
37 –Shield
ground–– – – –
38 (LG) GroundDisplay Com-
munication
signal
(DSP-DCU)Input ONPress the “TRIP”
button.Though a screen
is displayed, it is
impossible to
adjust bright-
ness.
39 –Shield
ground–– – – –
40 (LG) GroundAudio RX
Communica-
tion signalInput ONOperate audio
volume.Audio dose not
operate properly. Terminal
(Wire color)
ItemSignal
input/
outputCondition
Reference valueExample of
symptom
+–Igni-
tion
switchOperation
SKIA0176E
SKIA0175E
SKIA0176E
SKIA4364E
SKIA4363E
SKIA4403E

NAVIGATION SYSTEM
AV-125
C
D
E
F
G
H
I
J
L
MA
B
AV
Revision: 2004 November 2004 FX35/FX45
41 –Shield
ground–– – – –
42 (B/Y) GroundAudio TX
communica-
tion signalOutput ONOperate audio
volume.Audio dose not
operate properly.
43 (G/B) 41RGB syn-
chronizing
signalInput ONPress the “MAP”
button.NAVI screen is
rolling.
44 (R/W) 45RGB signal
(R: red)Input ONSelect “Display
Diagnosis (NAVI)” of
CONFIRMATION/
ADJUSTMENT
function.NAVI screen
looks bluish.
45 –Shield
ground–– – – –
46 (R/L) 45RGB signal
(G: green)Input ONSelect “Display
Diagnosis (NAVI)” of
CONFIRMATION/
ADJUSTMENT
function.NAVI screen
looks reddish.
47 –Shield
ground–– – – –
48 (B) 45RGB signal
(B: blue)Input ONSelect “Display
Diagnosis (NAVI)” of
CONFIRMATION/
ADJUSTMENT
function.NAVI screen
looks yellowish.
49 –Shield
ground–– – – –
50 (L/R) 47RGB signal
(R: red)Output ONSelect “Display
Diagnosis (DCU)” of
CONFIRMATION/
ADJUSTMENT
function.RGB screen
looks bluish. Terminal
(Wire color)
ItemSignal
input/
outputCondition
Reference valueExample of
symptom
+–Igni-
tion
switchOperation
SKIA4402E
SKIA0164E
SKIA4977E
SKIA4978E
SKIA4979E
SKIA4980E

AV-126
NAVIGATION SYSTEM
Revision: 2004 November 2004 FX35/FX45
51 (B) 49RGB area
(YS) signalOutput ONPress the“TRIP”
button.RGB screen is
not shown.
52 (L/W) 47RGB signal
(G: green)Output ONSelect “Display
Diagnosis (DCU)” of
CONFIRMATION/
ADJUSTMENT
function.RGB screen
looks reddish.
53 (W) 49Vertical syn-
chronizing
(VP) signalInput ONSelector lever in
R position.Audio and A/C
does not operate
properly.
54 (L) 47RGB signal
(B: blue)Output ONSelect “Display
Diagnosis (DCU)” of
CONFIRMATION/
ADJUSTMENT
function.RGB screen
looks yellowish.
55 (R) 49Horizontal
synchroniz-
ing (HP) sig-
nalInput ON –Audio and A/C
does not operate
properly.
56 (G) 49RGB syn-
chronizing
signalOutput ONPress the “TRIP”
button.NAVI screen is
rolling. Terminal
(Wire color)
ItemSignal
input/
outputCondition
Reference valueExample of
symptom
+–Igni-
tion
switchOperation
SKIA0162E
SKIA4981E
SKIA0161E
SKIA4982E
SKIA4983E
SKIA0164E