2008 INFINITI FX35 ignition

AV-48
< SERVICE INFORMATION >
ANTENNA
Terminal and Reference Value for Audio Unit
INFOID:0000000001328704
Antenna Amp. InspectionINFOID:0000000001328705
1.CHECK ANTENNA FEEDER
Check with visual observation if antenna feeder bet ween audio unit and antenna amp. has disconnection or
malfunction on the mounting part (engagement, looseness of shield earth, etc.).
OK or NG
OK >> GO TO 2
NG >> Replace antenna feeder.
2.CHECK ANTENNA SIGNAL
1. Turn ignition switch ACC.
2. Check voltage between audio unit harness connector M58 ter- minal 5 and ground.
OK or NG
OK >> INSPECTION END (System is OK.)
NG >> Replace audio unit.
Te r m i n a l
(Wire color) ItemSignal
input/
output Condition
Reference value
+– Ignition
switch Operation
5 (R/W) Ground Antenna signal Input ACC — Approx. 12 V 10 (LG) Ground ACC power
supply Input ACC — Battery voltage
5 – Ground : Approx. 12 V
SKIA6854E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

INTEGRATED DISPLAY SYSTEMAV-67
< SERVICE INFORMATION >
C
DE
F
G H
I
J
L
M A
B
AV
N
O P
Terminal and Reference Valu e for Display Control UnitINFOID:0000000001328718
Te r m i n a l
(Wire color) ItemSignal
input/
output Condition
Reference value
+– Ignition
switch Operation
1 (W/L) Ground Battery power su pply Input OFF — Battery voltage
2 (W/G) Ground Power supply (Invert-
er)
Output ON — Approx. 9 V
3 (B) Ground Ground — ON — Approx. 0 V
4 (BR/W) Ground Power supply (Signal) Output ON — Approx. 9 V 5 (P) Ground Ground (Inverter) — ON — Approx. 0 V
6 (OR) Ground Reverse signal Input ON Selector lever in R position Approx. 12 V
Selector lever except in R
position
Approx. 0 V
7 (P/L) Ground Ground (Signal) — ON — Approx. 0 V
10 (LG) Ground ACC power supply Input ACC — Battery voltage 12 (W) Ground Ignition signal Input ON — Battery voltage13 (B) Ground Ground — ON — Approx. 0 V
14 (R/L) Ground Illumination signal Input OFF Lighting switch ON Approx. 12 V
Lighting switch OFF Approx. 0 V
16 (G) Ground Vehicle speed signal
(8-pulse) Input ONWhen vehicle speed is ap-
prox. 25 MPH (40 km/h) NOTE:
Maximum voltage may be 5 V
due to specifications (connected
units).
25 (L) — CAN-H — — — —
26 (P) — CAN-L — — — —
28 (PU) Ground Communication
signal (+) Input/
Output ON —
29 — Shield — — — —
30 (LG) Ground Communication
signal (–) Input/
Output ON —
PKIA1935E
SKIB7378E
SKIB7379E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

AV-68
< SERVICE INFORMATION >
INTEGRATED DISPLAY SYSTEM
36 (PU) GroundCommunication 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
42 (PU) Ground Communication signal
(AUD-DCU)
Input ONOperate audio volume
switch
47 — Shield — — — —
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
Te r m i n a l
(Wire color) ItemSignal
input/
output Condition
Reference value
+– Ignition
switch Operation
SKIB3607E
SKIB3606E
SKIB3607E
SKIB3606E
SKIB7769E
SKIB3599E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

INTEGRATED DISPLAY SYSTEMAV-69
< SERVICE INFORMATION >
C
DE
F
G H
I
J
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M A
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AV
N
O P
Terminal and Referenc e Value for DisplayINFOID:0000000001328719
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 —
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
SKIB7770E
SKIB3598E
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
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

AV-70
< SERVICE INFORMATION >
INTEGRATED DISPLAY SYSTEM
6 (Y) Ground RGB signal (G: green) Input ONStart 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 —
9 (B) Ground RGB area (YS) signal Input ON Set 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
Te r m i n a l
(Wire color) ItemSignal
input/
output Condition
Reference value
+– Ignition
switch Operation
SKIB7770E
SKIB3601E
SKIB3599E
SKIB3607E
SKIB7769E
SKIB7771E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

INTEGRATED DISPLAY SYSTEMAV-71
< SERVICE INFORMATION >
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AV
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Terminal and Reference Va lue for A/C and AV SwitchINFOID:0000000001328720
19 (G) GroundRGB 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 — — — —
22 (LG) Ground Communication signal
(DSP-DCU) Output ON —
23 — Shield — — — — Te r m i n a l
(Wire color) ItemSignal
input/
output Condition
Reference value
+– Ignition
switch Operation
SKIB3603E
SKIB3598E
SKIB3606E
Te r m i n a l
(Wire color) ItemSignal
input/
output Condition
Reference value
+– Ignition
switch Operation
1 (W/L) Ground Battery power su pply Input OFF — Battery voltage
2 (LG) Ground ACC power supply Input ACC — Battery voltage 5 (B) Ground Ground — ON — Approx. 0 V
6 (PU) Ground Communication
signal (+) Input/
Output ON —
7—Shield —— — —
SKIB7378E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

AV-72
< SERVICE INFORMATION >
INTEGRATED DISPLAY SYSTEM
 *1: With telephone system
 *2: Without telephone system
Special Note for Trouble DiagnosisINFOID:0000000001328721
Prior to performing trouble diagnosis, make sure there are no corresponding description in the “Example of
Symptoms Possible No Malfunction”. Refer to AV-86, "
Example of Symptom Possible No Malfunction".
On Board Self-Diagnosis FunctionINFOID:0000000001328722
DESCRIPTION
 Trouble diagnosis function of navigation system has a Self Diagnosis mode by automatic operation and a
Confirmation/Adjustment mode by manual operation.
 Self Diagnosis mode checks for connections between the uni ts constituting this system, analyzes each indi-
vidual unit at the same time, and displays the results on the display.
 Confirmation/Adjustment mode displays trouble diagnos is that require an operation and a judgment by a
human (auto-decision cannot be performed by the system) , confirmation of preset value, and an error his-
tory.
DIAGNOSIS ITEM
8 (LG) Ground Communication
signal (–) Input/
Output ON —
12 (R/W) Ground Steering SW A Input ON Press and hold PTT
*1
switch Approx. 0 V
Press and hold MODE
*2
switch Approx. 0 V
Press and hold SEEK UP
switch Approx. 1.7 V
Press and hold VOL UP
switch Approx. 3.3 V
Except for above Approx. 5 V
13 (G/W) Ground Steering SW B Input ON Press and hold MODE
*1
switch Approx. 0 V
Press and hold POWER
*2
switch Approx. 0 V
Press and hold SEEK
DOWN switch Approx. 1.7 V
Press and hold VOL DOWN
switch Approx. 3.3 V
Except for above Approx. 5 V
14 (B/Y) Ground Steering SW ground — ON — Approx. 0 V Te r m i n a l
(Wire color) ItemSignal
input/
output Condition
Reference value
+– Ignition
switch Operation
SKIB7379E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

AV-74
< SERVICE INFORMATION >
INTEGRATED DISPLAY SYSTEM
6. When the self-diagnosis completes, optional part confirmationscreen will be shown.
 When connection of an optional part is judged error, a screento check if the optional part is actually fitted on the vehicle or
not will be shown. When fitted, sele ct the switch of the part on
the screen and press “End”. T hen 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.
7. On the diagnosis results screen, each unit name and connection line will be colored according to the diagnosis result, as follows.
NOTE:
 Satellite = Satellite radio tuner
 DCU = Display control unit
 Multifunction switch = A/C and AV switch
 If multiple malfunctions occur at the same time for a singleunit, the screen switch colors are determined according to the following order of priority: red > yellow >
gray.
8. Select a switch on the diagnosis results screen, and comments for the diagnosis results will be shown.
SELF-DIAGNOSIS RESULT
Quick Reference Table
1. Select the applicable diagnosis number in the quick reference table of diagnosis result.
2. Confirm the possible malfunction with the diagnosis table, and then perform inspection.
3. Turn ignition switch OFF and perform self-diagnosis again.
 When A/C and AV switch has a malfunction, the self-diagnosis cannot be started. Refer to AV-79, "
Unable to
Operate System with A/C and AV Switch".
 When display has a malfunction, the self-diagnosis cannot be started. Refer to AV-80, "
All Images Are Not
Displayed".
Self-Diagnosis Codes
SKIB8673E
Green : No malfunctioning.
Gray : Cannot be judged by self-diagnosis results.
Red : Unit is malfunctioning.
SKIB7872E
SKIA4211E
Switch colorScreen switch
Diagnosis No.
DCU Display Audio Unit Satellite
Red × 1
Gray ×
2
×× 3
× 4
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C