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AV-142
< SERVICE INFORMATION >
NAVIGATION SYSTEM
Removal and Installation of GPS Antenna
INFOID:0000000001328772
REMOVAL
1. Remove audio unit. Refer to AV-41, "Removal and Installation of Audio Unit".
2. Remove screw (1) and remove GPS antenna.
INSTALLATION
Installation is the reverse order of removal.
Removal and Installation of A/C and AV SwitchINFOID:0000000001328773
For A/C and AV switch removal and installation procedures, refer to AV-42, "Removal and Installation for A/C
and AV Switch".
Removal and Installation of Display UnitINFOID:0000000001328774
For display unit removal and installation procedures, refer to AV-42, "Disassembly and Assembly of Audio
Unit".
Removal and Installation of Display Control UnitINFOID:0000000001328775
For display control unit removal and installation procedures, refer to AV-86, "Removal and Installation of Dis-
play Control Unit"
SKIA5824E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C
Page 690 of 3924

INFINITI MOBILE ENTERTAINMENT SYSTEMAV-143
< SERVICE INFORMATION >
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INFINITI MOBILE ENTERTAINMENT SYSTEM
System DescriptionINFOID:0000000001328776
Refer to Owner's Manual for mobile enter tainment 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 and
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, 43, and 42.
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 operat ed, operation signals are supplied
through DVD display terminal 14
to DVD player terminal 30 and
through DVD player terminal 29
to DVD display terminal 13.
Component Parts LocationINFOID:0000000001328777
SKIB8693E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C
Page 691 of 3924
AV-144
< SERVICE INFORMATION >
INFINITI MOBILE ENTERTAINMENT SYSTEM
Wiring Diagram - MES -
INFOID:0000000001328778
TKWM4430E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C
Page 692 of 3924
INFINITI MOBILE ENTERTAINMENT SYSTEMAV-145
< SERVICE INFORMATION >
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TKWM4431E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C
Page 693 of 3924

AV-146
< SERVICE INFORMATION >
INFINITI MOBILE ENTERTAINMENT SYSTEM
Terminal and Reference Value for DVD Player
INFOID:0000000001328779
Te r m i n a l
(Wire color) ItemSignal
input/
output Condition
Reference value
(+) (–) Ignition
switch Operation
1 (L) 2 (R) MES output signal
(LH)
Output ACCRear AV
switch is ON
3 (LG) 4 (PU) MES output signal
(RH)
8—Shield —— — —
9 (Y/B) Ground Audio ON signal
(MES - H/U) Output ACC
Press “POWER” switch of
DVD player Approx. 5 V
11 (L/W) Ground Control signal
(H/U - MES) Input ACCPress “POWER” switch of
DVD player Approx. 5 V
15 (LG) Ground ACC power supply Input ACC — Battery voltage
16 (W/L) Ground Battery power supply Input OFF — Battery voltage
17 (G) 19 (LG) MES output signal
(Common)
Output ACC Play CD or DVD video Approx. 0 V
18 (L) 19 (LG) MES output signal
(L+) Output ACC Play CD or DVD video
19 (LG) Ground Ground — ON — Approx. 0 V
20 (Y) 19 (LG) MES output signal
(R+)
Output ACC Play CD or DVD video
21 (L) Ground ACC power supply Output ACC — Approx. 5 V
22 (B) Ground Ground — ON — Approx. 0 V
23 (OR) 24 (W) VIDEO output signal Output ACC Play DVD video 26 — Shield (Video) — — — —
27 (PU) Ground Ground — ON — Approx. 0 V
SKIA0177E
SKIA5828E
SKIA5828E
SKIA8863J
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C
Page 694 of 3924

INFINITI MOBILE ENTERTAINMENT SYSTEMAV-147
< SERVICE INFORMATION >
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Terminal and Reference Value for DVD DisplayINFOID:0000000001328780
29 (GY) GroundDVD communication
signal TX
(DVD - LCD) Output ACC
Press “POWER” switch of
DVD player
30 (BR) Ground DVD communication
signal RX
(LCD - DVD)
Input ACC
Press “POWER” switch
DVD player
31 (Y) Ground Battery power supply Output — — Battery voltage
32 (R) Te r m i n a l
(Wire color) ItemSignal
input/
output Condition
Reference value
(+) (–) Ignition
switch Operation
SKIB0322E
SKIA5832E
Te r m i n a l
(Wire color) ItemSignal
input/
output Condition
Reference value
(+) (–) Ignition
switch Operation
1 (G) 3 MES input signal
(common) Input ACC Play CD or DVD video Approx. 0 V
2 (L) 3 MES input signal (L+) Input ACC Play CD or DVD video 3—Shield —— — —
4 (Y) 3 MES input signal (R+) Input ACC Play cd or DVD video 5 (L) Ground Switch power Input ACC — Approx. 5 V
6 (LG) Ground Ground — ON — Approx. 0 V
SKIA5828E
SKIA5828E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C
Page 695 of 3924

AV-148
< SERVICE INFORMATION >
INFINITI MOBILE ENTERTAINMENT SYSTEM
DVD Player Does Not Work
INFOID:0000000001328781
1.CHECK FUSE
Check 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
.
2.CHECK POWER SUPPLY CIRCUIT
7 (OR) 8 (W) VIDEO input signal Input ACC Play DVD video
9 — Shield (Video) — — — —
10 (PU) — Shield
(MES data)
—— — —
12 (PU) Ground Ground — ON — Approx. 0 V
13 (GY) 10 (PU) DVD communication
signal RX
(DVD - LCD) Input ACC
Press “POWER” switch of
DVD player
14 (BR) 10 (PU) DVD communication
signal TX
(LCD - DVD)
Output ACC
Press “POWER” switch of
DVD player
15 (Y) Ground Battery power supply Input OFF — Battery voltage
16 (R) Te r m i n a l
(Wire color) ItemSignal
input/
output Condition
Reference value
(+) (–) Ignition
switch Operation
SKIA8863J
SKIB0322E
SKIA5832E
Unit Signal Fuse No.
DVD player Battery power supply 32
ACC power supply 6
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C
Page 696 of 3924

INFINITI MOBILE ENTERTAINMENT SYSTEMAV-149
< SERVICE INFORMATION >
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Check voltage between DVD player harness connector terminals
and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair harness or connector between DVD player and fuse.
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 and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or harness or connector.
4.CHECK HARNESS
1. Disconnect audio unit connector.
2. Check continuity between DVD player harness connector M73 terminals 9 , 11 and audio unit harness
connector M65 terminals 38 , 40.
3. Check continuity between DVD player har ness connector M73 terminals 9 , 11 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 connectors.
2. Turn ignition switch ACC.
3. Check voltage between DVD player harness connector M73 ter- minal 9 and ground.
OK or NG
OK >> GO TO 6.
NG >> Replace DVD player.
Te r m i n a l s Condition Reference value
(+)
(–)
Connector Terminal
M73 16
Ground Ignition switch OFF Battery voltage
15 Ignition switch ACC Battery voltage
SKIB0323E
22 – Ground : Continuity should exist.
SKIA5846E
9 – 38 : Continuity should exist.
11 – 40 : Continuity should exist.
9 , 11 – Ground : Continuity should not exist.
Te r m i n a l s ConditionReference
value
(+) (–)
Connector Terminal Ground
M73 9 Ground Press “power” switch
of DVD player Approx. 5 V
SKIB0326E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C