no start INFINITI FX35 2008 Service Manual

INTEGRATED DISPLAY SYSTEMAV-75
< SERVICE INFORMATION >
C
DE
F
G H
I
J
L
M A
B
AV
N
O P
Confirmation/Adjustment ModeINFOID:0000000001328724
OPERATION PROCEDURE
1. Start the engine.
2. Turn the audio system OFF.
3. While pressing the “4” button, turn the volume control dial clock- wise 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 performedby pressing “BACK” button.
Diagnosis
No. Possible cause Action to take
1 Display control unit malfunction is detected. Replace display control unit.
2 Malfunction is detected on communication signal between
display control unit and display. 1. Check communication circuit between display control
unit and display.
2. Check communication signal between display control unit and display.
3. If the results from the above checkup show no mal-
function, replace either display control unit or display,
and then start self-diagnosis.
4. If self-diagnosis results still show any malfunction, re-
place the other unit.
3  Audio unit power supply circuit malfunction is detected.
 Malfunction is detected on communication signal be-
tween display control unit and audio unit. 1. Check audio unit power supply circuit.
2. Check communication circuit between display control
unit and audio unit.
3. Check communication signal between display control unit and audio unit.
4. If the results from the above checkup show no mal-
function, replace either display control unit or audio
unit, and then start self-diagnosis.
5. If self-diagnosis results still show any malfunction, re-
place the other unit.
4  Satellite radio tuner power supply and ground circuit mal-
function is detected.
 Malfunction is detected on communication signal be- tween audio unit and satellite radio tuner. 1. Check satellite radio tuner power supply and ground
circuit.
2. Check communication circuit between audio unit and
satellite radio tuner.
3. Check communication signal between audio unit and satellite radio tuner.
4. If the results from the above checkup show no mal- function, replace either audio unit or satellite radio tun-
er, and then start self-diagnosis.
5. If self-diagnosis results still show any malfunction, re- place the other unit.
SKIB8743E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

INTEGRATED DISPLAY SYSTEMAV-77
< SERVICE INFORMATION >
C
DE
F
G H
I
J
L
M A
B
AV
N
O P
A comparison check can be made of each actual vehicle signal and
the signals recognized by the display control unit.
NOTE:
In case of confirming light signal, set the following D/N mode to ON/
OFF of lighting switch (normal setting).
 OFF: D (Day mode)
 ON: N (Night mode)
Unless above setting, light signal (ON/OFF) may not be accurately
displayed.
AUTO CLIMATE CONTROL
Refer to ATC-43, "Self-Diagnosis Function".
CAN Diagnostic Support MonitorINFOID:0000000001328725
OPERATION PROCEDURE
1. Start the engine.
2. Turn the audio system OFF.
3. While pressing the “4” button, turn the volume control dial clock-
wise 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 performedby pressing “BACK” button.
SKIB7778E
Diagnosis item Display Condition Remarks
Vehicle Speed ON When vehicle speed is more than 0 km/h (0 MPH)
Changes in indication may be delayed.
This is normal.
OFF When vehicle speed is 0 km/h (0 MPH)
— Ignition switch in ACC position
IGN ON Ignition switch ON
—
OFF Ignition switch ACC position
Reverse ON Selector lever in R position
Changes in indication may be delayed.
This is normal.
OFF Selector lever in any position other than R position
— Ignition switch in ACC position
IVCS OFF — This vehicle does not use it.
Light ON Lighting switch ON
—
OFF Lighting switch OFF
SKIB8743E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

AV-78
< SERVICE INFORMATION >
INTEGRATED DISPLAY SYSTEM
4. The initial trouble diagnosis screen will be shown, and items“Self Diagnosis (DCU)”, “Confirmation/Adjustment” and “CAN
DIAG SUPPORT MONITOR” will become selective.
5. Select “CAN DIAG SUPPORT MONITOR”.
6. The transmitting/receiving of CAN communication can be moni-
tored.
NOTE:
Counter shows the status of CAN communication.
A/C and AV Switch Self-Diagnosis FunctionINFOID:0000000001328726
Performing self-diagnosis makes it possible to check operation of A/C and AV switch indicator (LED) and other
switch.
STARTING THE SELF-DIAGNOSIS MODE
1. Turn ignition switch from OFF to ACC.
2. Within 10 seconds press and hold the switches “1” and “6” simultaneously for 3 seconds.
DIAGNOSIS FUNCTION
The following are checked: All the indicators (LED) in the A/C and AV switch.
 Continuity of the switches by sounding the buzze r when the A/C and AV switch and audio steering wheel
switch is pressed.
 Continuity of harness between A/C and AV switch and audio steering wheel switch.
NOTE:
SKIB7871E
Item Content Error counter
(Reference value)
CAN_COMM 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
SKIB8744E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

INTEGRATED DISPLAY SYSTEMAV-79
< SERVICE INFORMATION >
C
DE
F
G H
I
J
L
M A
B
AV
N
O P
Rear window defogger switch operation is not checked (No beep sound even under normal status).
EXITING THE SELF-DIAGNOSIS MODE
 Turn ignition switch OFF.
CAN Communication CheckINFOID:0000000001328727
1.CHECK MONITOR DESCRIPTION
1. Start self-diagnosis of DCU. Refer to AV-73, "
Self-Diagnosis Mode (DCU)".
2. Select “CAN DIAG SUPPORT MONITOR”. Refer to AV-77,
"CAN Diagnostic Support Monitor".
3. Record each item display description (OK/NG/UNK WN) displayed on the following CAN DIAG SUPPORT
MONITOR Check Sheet.
CAN DIAG SUPPORT MONITOR Check Sheet
>> After filling in CAN DIAG SUPPORT MONITOR Check Sheet, Go to LAN-43, "CAN System Spec-
ification Chart".
Unable to Operate System with A/C and AV SwitchINFOID:0000000001328728
Symptom: Unable to operate A/C system and audio system with A/C and AV switch. (Unable to start self-diag-
nosis.)
1.CHECK CONDITION
1. Turn ignition switch ON.
2. Check if an image is displayed on the screen.
Is an image displayed on the screen?
YES >> GO TO 2.
NO >> Repair malfunctioning part. Refer to AV-80, "
All Images Are Not Displayed".
2.SELF-DIAGNOSIS OF A/C AND AV SWITCH
Start self-diagnosis of A/C and AV switch, and check the self-diagnosis result. Refer to AV-78, "
A/C and AV
Switch Self-Diagnosis Function".
OK or NG
Item content
Error counter
(Reference value)
Normal conditio n Error (Example)
CAN_COMM 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 UNKWN UNKWN 0 - 50
PKIB6080E
Diagnosis item Screen display Diagnosis item Screen display CAN_COMM OK NG CAN_CIRC_5 OK UNKWN
CAN_CIRC_1 OK UNKWN CAN_CIRC_6 OK UNKWN
CAN_CIRC_2 OK UNKWN CAN_CIRC_7 OK UNKWN
CAN_CIRC_3 OK UNKWN CAN_CIRC_8 OK UNKWN
CAN_CIRC_4 OK UNKWN CAN_CIRC_9 OK UNKWN
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

INTEGRATED DISPLAY SYSTEMAV-83
< SERVICE INFORMATION >
C
DE
F
G H
I
J
L
M A
B
AV
N
O P
 Purple (Magenta) tinged screen
Check continuity between display control unit harness connector
(A) M76 terminal 52 and display harness connector (B) M63 termi-
nal 6.
Check continuity between display control unit harness connector
(A) M76 terminal 52 and ground.
 Yellow tinged screen
Check continuity between display control unit harness connector
(A) M76 terminal 54 and display harness connector (B) M63 termi-
nal 18.
Check continuity between display control unit harness connector
(A) M76 terminal 54 and ground.
OK or NG
OK >> GO TO 2.
NG >> Repair harness or connector.
2.CHECK RGB SIGNAL
1. Connect display control unit and display connectors.
2. Turn ignition switch ON.
3. Start Confirmation/Adjustment mode. Refer to AV-75, "
Confirmation/Adjustment Mode".
4. Display color bar by selecting “Display Color Spectrum Bar” on Display Diagnosis screen. Refer to AV-75,
"Confirmation/Adjustment Mode".
5. Check the malfunctioning circuit according to the symptoms.
 Light blue (Cyan) tinged screen
Check voltage waveform between display control unit harness con-
nector M76 terminal 50 and ground with CONSULT-III or oscillo-
scope.
 Purple (Magenta) tinged screen 52 – 6 : Continuity should exist.
52 – Ground : Continuity should not exist.
SKIB7854E
54 – 18 : Continuity should exist.
54 – Ground : Continuity should not exist.
SKIB7855E
50 – Ground:
SKIB7856ESKIB7769E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

AV-106
< SERVICE INFORMATION >
NAVIGATION SYSTEM
Terminal and Reference Va lue for NAVI Control Unit
INFOID:0000000001328747
Te r m i n a l
(Wire color) ItemSignal
input/
output Condition
Reference value
+– Ignition
switch Operation
1 (B) Ground Ground — ON — Approx. 0 V
2 (Y) Ground Battery power supply Input OFF — Battery voltage
5 (LG) Ground ACC power supply Input ACC — Battery voltage
12 (LG) 14 (PU) Voice guidance signal Output ON Press “GUIDE/VOICE”
button
13 — Shield — — — —
35 (B) Ground Ground — ON — Approx. 0 V
44 (R) Ground RGB sign al (R: red) Output ON Start Confirmation/Adjust-
ment (Navigation) mode,
and then display color bar by
selecting “Color Spectrum
bar” on Display Diagnosis
screen
45 (W) Ground RGB signal (G: green) Output ON Start Confirmation/Adjust-
ment (Navigation) mode,
and then display color bar by
selecting “Color Spectrum
bar” on Display Diagnosis
screen
46 (B) Ground RGB signal (B: blue) Output ON Start Confirmation/Adjust-
ment (Navigation) mode,
and then display color bar by
selecting “Color Spectrum
bar” on Display Diagnosis
screen
47 — Shield — — — —
48 (G) Ground RGB synchronizing
signal
Output ONWhen displaying RGB im-
age
49 — Shield — — — —
61 (R) Ground Illumination signal Input OFF Lighting switch ON Approx. 12 V
Lighting switch OFF Approx. 0 V
SKIB3609E
SKIB7360E
SKIB7361E
SKIB7362E
SKIB3603E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

NAVIGATION SYSTEMAV-109
< SERVICE INFORMATION >
C
DE
F
G H
I
J
L
M A
B
AV
N
O P
36 (PU) Ground Communication signal
(DCU-DSP) Output ON —
37 — Shield — — — —
38 (LG) Ground Communication signal
(DSP-DCU)
Input ON —
39 — Shield — — — —
40 (LG) Ground Communication signal
(DCU-AUD) Output ONOperate audio volume
switch
41 — Shield — — — —
42 (PU) Ground Communication signal
(AUD-DCU)
Input ONOperate audio volume
switch
43 (G) Ground RGB synchronizing
signal Input ONWhen displaying RGB im-
age
44 (W) Ground RGB signal (R: red) Input ON Start Confirmation/Adjust-
ment (Navigation) mode,
and then display color bar by
selecting “Color Spectrum
bar” on Display Diagnosis
screen
45 — Shield — — — — Te r m i n a l
(Wire color) ItemSignal
input/
output Condition
Reference value
+– Ignition
switch Operation
SKIB3607E
SKIB3606E
SKIB3607E
SKIB3606E
SKIB3603E
SKIB7360E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

AV-110
< SERVICE INFORMATION >
NAVIGATION SYSTEM
46 (R) Ground RGB signal (G: green) Input ONStart Confirmation/Adjust-
ment (Navigation) mode,
and then display color bar by
selecting “Color Spectrum
bar” on Display Diagnosis
screen
47 — Shield — — — —
48 (B) Ground RGB signal (B: blue) Input ON Start Confirmation/Adjust-
ment (Navigation) mode,
and then display color bar by
selecting “Color Spectrum
bar” on Display Diagnosis
screen
49 — Shield — — — —
50 (G) Ground RGB signal (R: red) Output ON Start Confirmation/Adjust-
ment mode, and then dis-
play color bar by selecting
“Display Color Spectrum
Bar” on Display Diagnosis
screen
51 (B) Ground RGB area (YS) signal Output ON Set the selector lever in R
position, and then display
the rear view image
52 (Y) Ground RGB signal (G: green) Output ON Start Confirmation/Adjust-
ment mode, and then dis-
play color bar by selecting
“Display Color Spectrum
Bar” on Display Diagnosis
screen
53 (W) Ground Ve r t i c a l
synchronizing (VP)
signal Input ON —
Te r m i n a l
(Wire color) ItemSignal
input/
output Condition
Reference value
+– Ignition
switch Operation
SKIB7361E
SKIB7362E
SKIB7769E
SKIB3599E
SKIB7770E
SKIB3598E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

NAVIGATION SYSTEMAV-111
< SERVICE INFORMATION >
C
DE
F
G H
I
J
L
M A
B
AV
N
O P
Terminal and Referenc e Value for DisplayINFOID:0000000001328749
54 (L) Ground RGB signal (B: blue) Output ON Start Confirmation/Adjust-
ment mode, and then dis-
play color bar by selecting
“Display Color Spectrum
Bar” on Display Diagnosis
screen
55 (R) Ground Horizontal
synchronizing (HP)
signal
Input ON —
56 (G) Ground RGB synchronizing
signal Output ONWhen displaying RGB im-
age
Te r m i n a l
(Wire color) ItemSignal
input/
output Condition
Reference value
+– Ignition
switch Operation
SKIB7771E
SKIB3601E
SKIB3603E
Te r m i n a l
(Wire color) ItemSignal
input/
output Condition
Reference value
+– Ignition
switch Operation
1 (B) Ground Ground — ON — Approx. 0 V
2 (W/G) Ground Power supply (Invert-
er)
Input ON — Approx. 9 V
3 (BR/W) Ground Power supply (Signal) Input ON — Approx. 9 V
6 (Y) Ground RGB signal (G: green) Input ON Start Confirmation/Adjust-
ment mode, and then dis-
play color bar by selecting
“Display Color Spectrum
Bar” on Display Diagnosis
screen
7—Shield —— — —
8 (R) Ground Horizontal
synchronizing (HP)
signal
Output ON —
SKIB7770E
SKIB3601E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

AV-112
< SERVICE INFORMATION >
NAVIGATION SYSTEM
9 (B) Ground RGB area (YS) signal Input ONSet the selector lever in R
position, and then display
the rear view image
11 (PU) Ground Communication signal
(DCU-DSP)
Input ON —
13 (P) Ground Ground (Inverter) — ON — Approx. 0 V
14 (P/L) Ground Ground (Signal) — ON — Approx. 0 V
17 (G) Ground RGB sign al (R: red) Input ON Start Confirmation/Adjust-
ment mode, and then dis-
play color bar by selecting
“Display Color Spectrum
Bar” on Display Diagnosis
screen
18 (L) Ground RGB signal (B: blue) Input ON Start Confirmation/Adjust-
ment mode, and then dis-
play color bar by selecting
“Display Color Spectrum
Bar” on Display Diagnosis
screen
19 (G) Ground RGB synchronizing
signal Input ONWhen displaying RGB im-
age
20 (W) Ground Ve r t i c a l
synchronizing (VP)
signal Output ON —
21 — Shield — — — — Te r m i n a l
(Wire color) ItemSignal
input/
output Condition
Reference value
+– Ignition
switch Operation
SKIB3599E
SKIB3607E
SKIB7769E
SKIB7771E
SKIB3603E
SKIB3598E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C