2004 INFINITI FX35 ground

NAVIGATION SYSTEM
AV-171
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Revision: 2004 November 2004 FX35/FX45
2. CHECK IGNITION SIGNAL FOR DISPLAY CONTROL UNIT
Check ignition signal for display control unit. Refer to AV- 1 5 2 , "
Ignition Signal Check for Display Control Unit" .
OK or NG
OK >> GO TO 3.
NG >> Repair malfunctioning parts.
3. CHECK CAN COMMUNICATION LINE
Check CAN communication line. Refer to AV- 1 5 8 , "
CAN Communication Line Check" .
OK or NG
OK >> GO TO 3.
NG >> After filling out CAN DIAG SUPPORT MONITOR check sheet, GO TO LAN-4, "
Precautions When
Using CONSULT-II" .
Unable to Operate All of A/C and AV switch (Unable to start Self-Diagnosis)AKS00BO3
1. A/C AND AV SWITCH SELF-DIAGNOSIS
Start A/C and AV switch self-diagnosis. Refer to AV- 1 4 4 , "
A/C and AV Switch Self-Diagnosis Function" .
OK or NG
OK >> GO TO 3.
NG >> GO TO 2.
2. CHECK A/C AND AV SWITCH POWER SUPPLY AND GROUND CIRCUIT
Check A/C and AV switch power supply and ground circuit. Refer to AV- 1 4 9 , "
Power Supply and Ground Cir-
cuit Check for A/C and AV Switch" .
OK or NG
OK >> Replace A/C and AV switch.
NG >> Repair malfunctioning parts.
3. CHECK DISPLAY CONTROL UNIT POWER SUPPLY AND GROUND CIRCUIT
Check display control unit power supply and ground circuit. Refer to AV- 1 4 6 , "
Power Supply and Ground Cir-
cuit Check for Display Control Unit" .
OK or NG
OK >> GO TO 4.
NG >> Repair malfunctioning parts.
4. CHECK A/C AND AV SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect display control unit connector and A/C and AV switch connector.
3. Check continuity between display control unit harness connector
M76 terminals 28 (B/R), 30 (W/R) and A/C and AV switch har-
ness connector M64 terminals 6 (B/R), 8 (W/R).
4. Check continuity between display control unit connector M76
terminals 28 (B/R), 30 (W/R) and ground.
OK or NG
OK >> GO TO 5.
NG >> Repair harness or connector.28 – 6 : Continuity shold exist.
30 – 8 : Continuity shold exist.PKIA2885E

AV-184
INFINITI MOBILE ENTERTAINMENT SYSTEM
Revision: 2004 November 2004 FX35/FX45
INFINITI MOBILE ENTERTAINMENT SYSTEMPFP:28184
System DescriptionAKS00BOU
Refer to Owner's Manual for mobile entertainment system operating instructions.
Power is supplied at all times

through 15A fuse (No. 32, located in the fuse and fusible link block)

to DVD player terminal 16

through DVD player terminals 31 and 32

to DVD display terminals 15 and 16.
With the ignition switch in the ACC or ON position, power is supplied

through 10A fuse [No. 6, located in the fuse block (J/B)]

to DVD player terminal 15

through DVD player terminal 21

to DVD display terminal 5.
Ground is supplied

to DVD player terminal 22

through body ground B15 and B45

to DVD player terminals 19, 27

through DVD display terminals 6, 10 and 12.
When DVD player power switch is ON, power is supplied

through DVD player terminal 9

to audio unit terminal 38

through audio unit terminal 40

to DVD player terminal 11.
When DVD player power switch is ON, DVD sound signals are supplied

through DVD player terminals 17, 18, and 20

to DVD display terminals 1, 2 and 4.
DVD sound can be heard by the head phone.
When rear AV switch is ON, audio signals are supplied

through DVD player terminals 1, 2, 3, and 4

to audio unit terminals 37, 39, 42, and 43.
DVD sound can be heard from the speaker.
When DVD player power switch is ON, video signals are supplied

through DVD player terminals 23 and 24

to DVD display terminals 7 and 8.
When remote controller is operated, operation signals are supplied

through DVD display terminal 14

to DVD player terminal 30

through DVD player terminal 29

to DVD display terminal 13.

AV-188
INFINITI MOBILE ENTERTAINMENT SYSTEM
Revision: 2004 November 2004 FX35/FX45
Terminals and Reference Value for DVD PlayerAKS00BOX
Terminal
(Wire color)
ItemSignal
input/
outputCondition
Reference valueExample of symp-
tom
(+) (-)Ignition
switchOperation
1 (L) 2 (R)MES output
signal (LH)
Output ACCRear AV
switch is ONNo sound
from speaker LH
3 (LG) 4 (PU)MES output
signal (RH)No sound
from speaker RH
8–Shield – – – – –
9
(Y/B)GroundAudio ON
signal (MES -
H/U) Output ACCPush “POWER”
switch of DVD
playerApprox. 5VSystem dose not
work properly
10
(R/Y)GroundIllumination
control signalInput OFFIllumination con-
trol switch is oper-
ated by lighting
switch in 1st posi-
tion.Changes between approx. 0 and
approx. 12V.DVD player illumi-
nation does not
come on then light-
ing switch is ON
11
(L/W)GroundControl sig-
nal (H/U -
MES)Input ACCPush “POWER”
switch of DVD
playerApprox. 5VSystem dose not
work properly
12
(R/L)GroundIllumination
signalInput OFFLighting switch is
ON (1st position).Approx. 12VDVD player illumi-
nation dose not
come on then light-
ing switch is ON Lighting switch
OFF.Approx. 0V
15
(LG/R)GroundACC power
supplyInput ACC – Battery voltageSystem does not
work properly
16
(W/L)GroundBattery
power supplyInput OFF – Battery voltageSystem dose not
work properly
17 (G) 19 (LG)MES output
signal (Com-
mon)Output ACCPlay CD or DVD
videoApprox. 0V –
18 (L) 19 (LG)MES output
signal (L+)Output ACCPlay CD or DVD
videoNo sound from
head phone LH
19 (LG) Ground Ground – ON – Approx. 0V –
20 (Y) 19 (LG)MES output
signal (R+)Output ACCPlay CD or DVD
videoNo sound from
head phone RH
21 (L) GroundACC power
supplyOutput ACC – Approx. 5VDisplay does not
work properly
22 (B) Ground Ground – ON – Approx. 0V –
SKIA0177E
SKIA5828E
SKIA5828E

INFINITI MOBILE ENTERTAINMENT SYSTEM
AV-189
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Revision: 2004 November 2004 FX35/FX45
Terminals and Reference Value for DVD DisplayAKS00BOY
23
(OR)24 (W)VIDEO out-
put signalOutput ACC Play DVD video No picture
26 GroundShield
(Video)– ON – Approx. 0V –
27 (PU) Ground Ground – ON – Approx. 0V –
29
(GY)GroundDVD commu-
nication sig-
nal TX (DVD
- LCD)Output ACCPush “POWER”
switch of DVD
player Display does not
work properly
30 (BR) GroundDVD commu-
nication sig-
nal RX (LCD
- DVD)Input ACCPush “POWER”
switch of DVD
playerRemote controler is
not work
31 (Y)
GroundBattery
power supplyOutput – – Battery voltageDisplay dose not
work properly
32 (R)Terminal
(Wire color)
ItemSignal
input/
outputCondition
Reference valueExample of symp-
tom
(+) (-)Ignition
switchOperation
SKIA8863J
SKIB0322E
SKIA5832E
Te r m i n a l
(Wire color)
ItemSignal
input/
outputCondition
Reference valueExample of
symptom
(+) (-)Ignition
switchOperation
1 (G) 3MES input
signal (com-
mon)Input ACCPlay CD or DVD
videoApprox. 0V –
2 (L) 3MES input
signal (L+)Input ACCPlay CD or DVD
videoNo sound from
head phone LH
3 Ground Shield – ON – Approx. 0V –
4 (Y) 3MES input
signal (R+)Input ACCPlay cd or DVD
videoNo sound from
head phone RH
SKIA5828E
SKIA5828E

AV-190
INFINITI MOBILE ENTERTAINMENT SYSTEM
Revision: 2004 November 2004 FX35/FX45
5 (L) Ground Switch power Input ACC – Approx. 5VDisplay does not
work properly
6 (LG) Ground Ground – ON – Approx. 0V –
7 (OR) 8 (W)VIDEO input
signal Input ACC Play DVD video No picture
9 GroundShield
(Video)– ON – Approx. 0V –
10 (G) GroundShield (MES
data)– ON – Approx. 0V –
12 (PU) Ground Ground – ON – Approx. 0V –
13 (GY) 10 (G)DVD commu-
nication sig-
nal RX (DVD
- LCD)Input ACCPush “POWER”
switch of DVD
playerDisplay does not
work properly
14 (BR) 10 (G)DVD commu-
nication sig-
nal TX (LCD -
DVD)Output ACCPush “POWER”
switch of DVD
playerRemote con-
troler is not work
15 (Y)
GroundBattery
power supplyInput OFF – Battery voltageDisplay dose not
work properly
16 (R)Terminal
(Wire color)
ItemSignal
input/
outputCondition
Reference valueExample of
symptom
(+) (-)Ignition
switchOperation
SKIA8863J
SKIB0322E
SKIA5832E

INFINITI MOBILE ENTERTAINMENT SYSTEM
AV-191
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Revision: 2004 November 2004 FX35/FX45
DVD Player Is Not WorkAKS00BOZ
1. CHECK FUSE
Make sure that the following fuse of the DVD player are not blown.
OK or NG
OK >> GO TO 2
NG >> If fuse is blown be sure to eliminate case of problem before installing new fuse, refer to PG-3,
"POWER SUPPLY ROUTING CIRCUIT" .
2. CHECK POWER SUPPLY CIRCUIT
Check voltage between DVD player harness connector terminals
and ground.
OK or NG
OK >> GO TO 3
NG >> Repair harness or connector.
3. CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect DVD player connector.
3. Check continuity between the following DVD player harness
connector B19 terminal 22 (B) and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair harness or connector.
Unit Signal Fuse NO.
DVD playerBattery power supply 32
ACC power supply 6
Terminals
Condition Voltage (+)
(-)
ConnectorTerminal
(Wire color)
M7316
(W/L)
GroundIgnition switch
OFFBattery voltage
15
(LG/R) Ignition switch
ACCBattery voltage
SKIB0323E
22 – Ground : Continuity should exist.
SKIA5846E

AV-192
INFINITI MOBILE ENTERTAINMENT SYSTEM
Revision: 2004 November 2004 FX35/FX45
4. CHECK HARNESS
1. Disconnect audio unit connector.
2. Check continuity between DVD player harness connector M73
terminals 9 (Y/B), 11 (L/W) and audio unit harness connector
M65 terminals 38 (Y/B), 40 (L/W).
3. Check continuity between DVD player harness connector M73
terminal 9 (Y/B), 11 (L/W) and ground.
OK or NG
OK >> GO TO 5
NG >> Repair harness or connector.
5. CHECK CONTROL SIGNAL
1. Connect DVD player connector and audio unit connector.
2. Turn ignition switch ACC.
3. Check voltage between DVD player harness connector M73 ter-
minal 9 (Y/B) and ground.
OK or NG
OK >> GO TO 6
NG >> Replace DVD player.
6. CHECK CONTROL SIGNAL
1. Check voltage between DVD player harness connector M73 ter-
minal 11 (L/W) and ground.
OK or NG
OK >> Replace DVD player.
NG >> Replace audio unit.9 – 38 : Continuity should exist.
11 – 40 : Continuity should exist.
9, 11 – Ground : Continuity should not exist.
SKIB0513E
Terminals
Condition Voltage (+)
(-)
ConnectorTerminal
(Wire color)
M739
(Y/B)GroundPush “power”
switch of DVD-
player Approx. 5V
SKIB0326E
Terminals
Condition Voltage (+)
(-)
ConnectorTerminal
(Wire color)
M7311
(L/W)GroundPush “power”
switch of DVD
playerApprox. 5V
SKIB0328E

INFINITI MOBILE ENTERTAINMENT SYSTEM
AV-193
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Revision: 2004 November 2004 FX35/FX45
Screen Is Not Shown (While Sounds Come Out of an Audio Speaker, Did not do
of a Head Phone)
AKS00BP0
1. CHECK POWER SUPPLY CIRCUIT
1. Check voltage between DVD player harness connector B19 ter-
minals 31 (Y), 32 (R) and ground.
2. Turn ignition switch ACC.
3. Check voltage between DVD player harness connector B19 ter-
minal 21 (L) and ground.
OK or NG
OK >> GO TO 2
NG >> Replace DVD player.
2. CHECK HARNESS
1. Turn ignition switch OFF.
2. Disconnect DVD display connector.
3. Check continuity between DVD player harness connector B19
terminals 21 (L), 31 (Y), 32 (R) and DVD display harness con-
nector B192 terminals 5 (L), 15 (Y), 16 (R).
4. Check continuity between DVD player harness connector B19
terminals 21 (L), 31 (Y), 32 (R) and ground.
5. Check continuity between DVD player harness connector B19
terminals 19 (LG), 27 (PU) and DVD display harness connector
B192 terminals 6 (LG), 12 (PU).
OK or NG
OK >> Replace DVD display.
NG >> Repair harness or connector.31, 32 – Ground : Battery voltage
SKIB0514E
21 – Ground : Approx. 5V
SKIA7021E
21 – 5 : Continuity should exist.
31 – 15 : Continuity should exist.
32 – 16 : Continuity should exist.
21, 31, 32 – Ground : Continuity should not exist.
19 – 6 : Continuity should exist.
27 – 12 : Continuity should exist.
SKIB0515E