2007 INFINITI FX35 air condition

NAVIGATION SYSTEM AV-141
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Revision: 2006 July 2007 FX35/FX45
All Images Are Not DisplayedNKS003KO
Symptom: RGB image is not displayed.
1. CHECK CONDITION
When operating audio and air conditioner, make sure that they operate correctly.
Do audio and air conditioner operate normally?
YES >> GO TO 2.
NO >> GO TO 5.
2. CHECK DISPLAY GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect display connector.
3. Check continuity between display harness connector M63 termi- nal 1 and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair harness or connector.
3. CHECK HARNESS
1. Disconnect display control unit connector.
2. Check continuity between display control unit harness connector (A) M75 terminals 2, 4, 5, 7 and display harness connector (B)
M63 terminals 2, 3, 13, 14.
3. Check continuity between display control unit harness connector (A) M75 terminals 2, 4 and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair harness or connector. 1 – Ground : Continuity should exist.
SKIB7839E
2 – 2 : Continuity should exist.
4 – 3 : Continuity should exist.
5 – 13 : Continuity should exist.
7 – 14 : Continuity should exist.
2, 4 – Ground : Continuity should not exist.
SKIB7840E

AV-150
NAVIGATION SYSTEM
Revision: 2006 July 2007 FX35/FX45
4. CHECK RGB SYNCHRONIZING SIGNAL
1. Connect display control unit and display connectors.
2. Turn ignition switch ON.
3. When displaying RGB image, check voltage waveform between display control unit harness connector M76 terminal 56 and
ground with CONSULT-II or oscilloscope.
OK or NG
OK >> Replace display.
NG >> Replace display control unit.
Values for All Items in The TRIP Screen Do Not ChangeNKS003KV
Symptom: Values for items, “Elapsed Time”, “Driving Distance” and “Average Speed” in the TRIP screen do
not change. FUEL ECONOMY screen is not displayed when pressing “TRIP” button.
1. CHECK DISPLAY CONTROL UNIT IGNITION SIGNAL
Select “Vehicle Signals” in Confirmation/Adjustment mode, and check the ignition signal inputting to display
control unit. Refer to AV- 1 3 0 , "
VEHICLE SIGNALS" .
OK or NG
OK >> Replace display control unit.
NG >> Check display control unit ignition signal circuit, and repair malfunctioning part.
Values for Items, “Driving Distance” and “Average Speed” Do Not ChangeNKS003KW
Symptom: Values for Items, "Driving Distance" and "Average Speed" do not change. (The Value for "Elapsed
Time" Changes.)
1. CHECK DISPLAY CONTROL UNIT VEHICLE SPEED SIGNAL
Select “Vehicle Signals” in Confirmation/Adjustment mode, and check the vehicle speed signal inputting to dis-
play control unit. Refer to AV- 1 3 0 , "
VEHICLE SIGNALS" .
OK or NG
OK >> Replace display control unit.
NG >> Check display control unit vehicle speed signal circuit, and repair malfunctioning part.
Values for All Items in The FUEL ECONOMY Screen Do Not ChangeNKS003KX
Symptom: Values for items, “Average Fuel Economy” and “Distance to Empty” in the FUEL ECONOMY screen
do not change.
1. CHECK CONDITION
Check if values for all items in the TRIP screen change properly.
OK or NG
OK >> GO TO 2.
NG >> Repair malfunctioning part. Refer to AV- 1 5 0 , "
Values for All Items in The TRIP Screen Do Not
Change" or AV- 1 5 0 , "Values for Items, “Driving Distance” and “Average Speed” Do Not Change"
.
56 – Ground:
SKIB7864ESKIB3603E

AV-164
INFINITI MOBILE ENTERTAINMENT SYSTEM
Revision: 2006 July 2007 FX35/FX45
DVD Player Does Not WorkNKS003E7
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,
"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 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.
Unit Signal Fuse No.
DVD player Battery power supply 32
ACC power supply 6
Terminals 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

INFINITI MOBILE ENTERTAINMENT SYSTEM AV-165
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Revision: 2006 July 2007 FX35/FX45
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 harness 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.
6. CHECK CONTROL SIGNAL
Check voltage between DVD player harness connector M73 terminal
11 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.
Te r m i n a l s Condition Reference
value
(+) (–)
Connector Terminal Ground
M73 9 Ground Press “power” switch
of DVD player Approx. 5 V
SKIB0326E
Te r m i n a l s
Condition Reference
value
(+) (–)
Connector Terminal Ground
M73 11 Ground Press “power”
switch of DVD player Approx. 5 V
SKIB0328E

INFINITI MOBILE ENTERTAINMENT SYSTEM AV-167
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Revision: 2006 July 2007 FX35/FX45
Screen Is not Shown (Sounds Come Out of Both an Audio Speaker and a Head
Phone)
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1. CHECK HARNESS
1. Turn ignition switch OFF.
2. Disconnect DVD player and DVD display connectors.
3. Check continuity between DVD player harness connector B19 terminals 23, 24 and DVD display harness connector B61 termi-
nals 7, 8.
4. Check continuity between DVD player harness connector B19 terminals 23, 24 and ground.
OK or NG
OK >> GO TO 2.
NG >> Repair harness or connector.
2. CHECK VIDEO SIGNAL
1. Connect DVD player and DVD display connectors.
2. Turn ignition switch ACC.
3. Check the signal between DVD player harness connector B19 terminal 23 and 24 with CONSULT-II or oscilloscope.
OK or NG
OK >> GO TO 3.
NG >> Replace DVD player.
3. CHECK HARNESS
1. Turn ignition switch OFF.
2. Disconnect DVD player and DVD display connectors.
3. Check continuity between DVD player harness connector B19 terminal 29 and DVD display harness connector B61 terminal
13.
4. Check continuity between DVD player harness connector B19 terminal 29 and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair harness or connector. 23 – 7 : Continuity should exist.
24 – 8 : Continuity should exist.
23, 24 – Ground : Continuity should not exist.
SKIA7044E
Terminal Condition Reference value
(+) (–)
23 24 Play DVD video
SKIA7050E
SKIA8863J
29 – 13 : Continuity should exist.
29 – Ground : Continuity should not exist.
SKIB0333E

INFINITI MOBILE ENTERTAINMENT SYSTEM AV-169
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Revision: 2006 July 2007 FX35/FX45
3. CHECK HARNESS
1. Turn ignition switch OFF.
2. Disconnect DVD player and DVD display connectors.
3. Check continuity between DVD player harness connector B19 terminals 17, 18, 19, 20 and DVD display harness connector
B61 terminals 1, 2, 3, 4.
4. Check continuity between DVD player harness connector B19 terminals 17, 18, 19, 20 and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair harness or connector.
4. CHECK MES SOUND SIGNAL
1. Connect DVD player and DVD display connectors.
2. Turn the ignition switch ACC and Press “POWER” switch of DVD player.
3. Check the signal between DVD player harness connector B19 terminals 17, 18, 20 and 19 with CONSULT-II or oscilloscope.
OK or NG
OK >> Replace DVD display.
NG >> Replace DVD player.
Remote Controller Does Not WorkNKS003EB
1. CHECK DVD PLAYER OPERATION SWITCH
1. Turn ignition switch ACC.
2. Press “POWER” switch of DVD player and operate DVD player switch.
Dose the DVD player switches work?
YES >> Replace remote controller.
NO >> GO TO 2. 17 – 1 : Continuity should exist.
18 – 2 : Continuity should exist.
19 – 3 : Continuity should exist.
20 – 4 : Continuity should exist.
17, 18, 19, 20 – Ground : Continuity should not exist.
SKIA7033E
Te r m i n a l Condition Reference value
(+) (–)
17 19 Play CD or DVD video. Refer to
AV-161, "
Terminals and
Reference Value for DVD Player" .
18
20
SKIA7047E

INFINITI MOBILE ENTERTAINMENT SYSTEM AV-171
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Revision: 2006 July 2007 FX35/FX45
2. CHECK A/C AND AV SWITCH SELF-DIAGNOSIS
A/C and AV switch self-diagnosis. Check “REAR AV” switch. Refer to AV- 8 2 , "
A/C and AV Switch Self-Diagno-
sis Function" .
OK or NG
OK >> GO TO 3.
NG >> Replace A/C and AV switch.
3. CHECK HARNESS
1. Turn ignition switch OFF.
2. Disconnect DVD player and audio unit connectors.
3. Check continuity between DVD player harness connector M73 terminals 1, 2, 3, 4 and audio unit harness connector M65 termi-
nals 37, 39, 43, 42.
4. Check continuity between DVD player harness connector M73 terminals 1, 2, 3, 4 and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair harness or connector.
4. CHECK MES SOUND SIGNAL
1. Connect DVD player and audio unit connectors.
2. Turn ignition switch ACC and Press “POWER” switch of DVD player.
3. Check the signal between DVD player harness connector M73 terminals 1 and 2, 3 and 4 with CONSULT-II or oscilloscope.
OK or NG
OK >> Replace audio unit.
NG >> Replace DVD player. 1 – 37 : Continuity should exist.
2 – 39 : Continuity should exist.
3 – 43 : Continuity should exist.
4 – 42 : Continuity should exist.
1, 2, 3, 4 – Ground : Continuity should not exist.
SKIA7034E
Terminal Condition Reference value
(+) (–)
12
Play CD or DVD video.
34
SKIA7035E
SKIA8863J

TELEPHONE AV-187
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Revision: 2006 July 2007 FX35/FX45
2. CHECK HARNESS
1. Disconnect spiral cable connector.
2. Check continuity between TEL adapter unit harness connector (A) M102 terminals 12, 13, 14 and spiral cable harness connec-
tor (B) M15 terminals 24, 32, 31.
3. Check continuity between TEL adapter unit 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 M15 terminals 24, 31, 32 and spiral cable connector M203 terminals 20, 17, 16.
OK or NG
OK >> GO TO 4.
NG >> Replace spiral cable.
4. CHECK AUDIO STEERING WHEEL SWITCH RESISTANCE
Check resistance audio steering wheel switch terminals.
OK or NG
OK >> INSPECTION END
NG >> Replace audio steering wheel switch. 12 – 24 : Continuity should exist.
13 – 32 : Continuity should exist.
14 – 31 : Continuity should exist.
12, 13, 14 – ground : Continuity should not exist.
SKIB8681E
24 – 20 : Continuity should exist.
31 – 17 : Continuity should exist.
32 – 16 : Continuity should exist.
SKIA5874E
Terminal Signal name Condition Resistance
( Ω )
16 17 Mode Depress mode switch. Approx. 0
Seek down Depress (station) down switch. Approx. 165
Volume (down) Depress volume down switch. Approx. 652
20 PTT Depress PTT switch. Approx. 0
Seek up Depress (station) up switch. Approx. 165
Volume (up) Depress volume up switch. Approx. 652
SKIA5010E