navigation system INFINITI QX56 2004 Factory Manual Online

AV-136
NAVIGATION SYSTEM
Revision: August 20072004 QX56
Color of RGB Image is Not Proper (Only NAVI Screen Looks Yellowish)EKS007MM
1. CHECK RGB HARNESS
1. Turn ignition switch OFF.
2. Disconnect NAVI control unit connector and display control unit connector.
3. Check continuity between NAVI control unit and display control unit.
4. Check continuity between NAVI control unit and ground.

When the screen looks yellowish.
OK or NG
OK >> GO TO 2.
NG >> Repair harness or connector.
2. CHECK RGB SIGNAL
1. Connect NAVI control unit connector and display control unit connector.
2. Turn ignition switch ON.
3. Display ″Color bar″ by ″CONFIRMATION/ADJUSTMENT″ mode.
4. Check signal between NAVI control unit connector B151 termi-
nal 15 (B) and 17 with CONSULT-ll or oscilloscope.

When the screen looks yellowish.
Voltage signal between NAVI control unit connector B151 termi-
nal 15 (B) and 17.
OK or NG
OK >> Replace display control unit. Refer to AV- 1 5 8 , "Removal
and Installation of Display Control Unit" .
NG >> Replace NAVI control unit. Refer to AV- 1 5 7 , "
Removal and Installation of NAVI Control Unit" .
Te r m i n a l s
Continuity NAVI control unit Display control unit
ConnectorTerminal
(Wire color)ConnectorTe r m i n a l
(Wire color)
B15115 (B)
M9548 (B)
Ye s
17 45
Te r m i n a l s
Continuity NAVI control unit
—
Connector Terminal (Wire color)
B15115 (B)
Ground No
17
SKIA4351E
15 (B) – 17 : Refer to AV- 9 0 , "Te r m i n a l s
and Reference Value for
NAVI Control unit" .
SKIA4631E

NAVIGATION SYSTEM
AV-137
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F
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H
I
J
L
MA
B
AV
Revision: August 20072004 QX56
Color of RGB Image is Not Proper (All Screen Looks Bluish)EKS007MN
1. CHECK RGB HARNESS
1. Turn ignition switch OFF.
2. Disconnect display control unit connector and display unit connector.
3. Check continuity between display control unit and display unit.
4. Check continuity between display control unit and ground.

When the screen looks bluish.
OK or NG
OK >> GO TO 2.
NG >> Repair harness or connector.
2. CHECK RGB SIGNAL
1. Connect display control unit connector and display unit connector.
2. Turn ignition switch ON.
3. Display “Color bar” by “CONFIRMATION/ADJUSTMENT” mode.
4. Check the following with CONSULT-ll or oscilloscope.

When the screen looks bluish.
Voltage signal between display control unit connector M95 ter-
minal 50 (R/L) and 47.
OK or NG
OK >> Replace display unit. Refer to AV-158, "Removal and
Installation of Display Unit" .
NG >> Replace display control unit. Refer to AV-158, "
Removal and Installation of Display Control Unit" .
Te r m i n a l s
Continuity Display control unit Display unit
ConnectorTe r m i n a l
(Wire color)ConnectorTerminal
(Wire color)
M9550 (R/L)
M9317 (R/L)
Ye s
47 7
Te r m i n a l s
Continuity Display control unit
—
Connector Terminal (Wire color)
M9550 (R/L)
Ground No
47
SKIA4353E
50 (R/L) – 47 : Refer to AV-92, "Te r m i na l s
and Reference Value for Dis-
play Control unit" .
SKIA4697E

AV-138
NAVIGATION SYSTEM
Revision: August 20072004 QX56
Color of RGB Image is Not Proper (All Screen Looks Reddish)EKS007MO
1. CHECK RGB HARNESS
1. Turn ignition switch OFF.
2. Disconnect display control unit connector and display unit connector.
3. Check continuity between display control unit and display unit.
4. Check continuity between display control unit and ground.

When the screen looks reddish.
OK or NG
OK >> GO TO 2.
NG >> Repair harness or connector.
2. CHECK RGB SIGNAL
1. Connect display control unit connector and display unit connector.
2. Turn ignition switch ON.
3. Display “Color bar” by “CONFIRMATION/ADJUSTMENT” mode.
4. Check the following with CONSULT-ll or oscilloscope.

When the screen looks reddish.
Voltage signal between display control unit connector M95 ter-
minal 52 (R/W) and 47.
OK or NG
OK >> Replace display unit. Refer to AV- 1 5 8 , "Removal and
Installation of Display Unit" .
NG >> Replace display control unit. Refer to AV- 1 5 8 , "
Removal and Installation of Display Control Unit" .
Te r m i n a l s
Continuity Display control unit Display unit
ConnectorTerminal
(Wire color)ConnectorTe r m i n a l
(Wire color)
M9552 (R/W)
M936 (R/W)
Ye s
47 7
Te r m i n a l s
Continuity Display control unit
—
Connector Terminal (Wire color)
M9552 (R/W)
Ground No
47
SKIA4354E
52 (R/W) – 47 : Refer to AV- 9 2 , "Te r m i n a l s
and Reference Value for Dis-
play Control unit" .
SKIA4698E

NAVIGATION SYSTEM
AV-139
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F
G
H
I
J
L
MA
B
AV
Revision: August 20072004 QX56
Color of RGB Image is Not Proper (All Screen Looks Yellowish)EKS007MP
1. CHECK RGB HARNESS
1. Turn ignition switch OFF.
2. Disconnect display control unit connector and display unit connector.
3. Check continuity between display control unit and display unit.
4. Check continuity between display control unit and ground.

When the screen looks yellowish.
OK or NG
OK >> GO TO 2.
NG >> Repair harness or connector.
2. CHECK RGB SIGNAL
1. Connect display control unit connector and display unit connector.
2. Turn ignition switch ON.
3. Display “Color bar” by “CONFIRMATION/ADJUSTMENT” mode.
4. Check the following with CONSULT-ll or oscilloscope.

When the screen looks yellowish.
Voltage signal between display control unit connector M95 ter-
minal 54 (B) and 47.
OK or NG
OK >> Replace display unit. Refer to AV-158, "Removal and
Installation of Display Unit" .
NG >> Replace display control unit. Refer to AV-158, "
Removal and Installation of Display Control Unit" .
Te r m i n a l s
Continuity Display control unit Display unit
ConnectorTe r m i n a l
(Wire color)ConnectorTerminal
(Wire color)
M9554 (B)
M9318 (B)
Ye s
47 7
Te r m i n a l s
Continuity Display control unit
—
Connector Terminal (Wire color)
M9554 (B)
Ground No
47
SKIA4355E
54 (B) – 47 : Refer to AV-92, "Te r m i na l s
and Reference Value for Dis-
play Control unit" .
SKIA4356E

AV-140
NAVIGATION SYSTEM
Revision: August 20072004 QX56
NAVI Screen is RollingEKS007MQ
1. CHECK HARNESS
1. Turn ignition switch OFF.
2. Disconnect NAVI control unit connector and display control unit connector.
3. Check continuity between NAVI control unit and display control unit.
4. Check continuity between NAVI control unit and ground.
OK or NG
OK >> GO TO 2.
NG >> Repair harness.
2. CHECK RGB SYNCHRONIZING SIGNAL
1. Connect NAVI control unit connector and display control unit connector.
2. Turn ignition switch ON.
3. Check signal between NAVI control unit connector M95 termi-
nals 16 (W) and 14 with CONSULT-II or oscilloscope.
OK or NG
OK >> GO TO 3.
NG >> Replace NAVI control unit. Refer to AV- 1 5 7 , "
Removal
and Installation of NAVI Control Unit" .
Te r m i n a l s
Continuity NAVI control unit Display control unit
ConnectorTerminal
(Wire color)ConnectorTe r m i n a l
(Wire color)
B15116 (W)
M9543 (W)
Ye s
14 41
Te r m i n a l s
Continuity NAVI control unit
—
Connector Terminal (Wire color)
B15116 (W)
Ground No
14
WKIA2020E
16 (W) - 14 : Refer to AV-90, "Terminals
and Reference Value for
NAVI Control unit" .
SKIA4358E

NAVIGATION SYSTEM
AV-141
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MA
B
AV
Revision: August 20072004 QX56
3. CHECK HARNESS
1. Turn ignition switch OFF.
2. Disconnect display control unit connector and display unit connector.
3. Check continuity between display control unit and display unit.
4. Check continuity between display control unit and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair harness.
4. CHECK RGB SYNCHRONIZING SIGNAL
1. Connect display control unit connector and display unit connector.
2. Turn ignition switch ON.
3. Check signal between display unit connector M93 terminals 19
(G) and 21 with CONSULT-II or oscilloscope.
OK or NG
OK >> Replace display unit. Refer to AV-158, "Removal and
Installation of Display Unit" .
NG >> Replace display control unit. Refer to AV-158, "
Removal
and Installation of Display Control Unit" .
Te r m i n a l s
Continuity Display control unit Display unit
ConnectorTe r m i n a l
(Wire color)ConnectorTerminal
(Wire color)
M9556 (G)
M9319 (G)
Ye s
49 21
Te r m i n a l s
Continuity Display control unit
—
Connector Terminal (Wire color)
M9556 (G)
Ground No
49
WKIA2775E
19 (G) - 21 : Refer to AV- 9 6 , "Terminals
and Reference Value for Dis-
play unit" .
WKIA2022E

AV-142
NAVIGATION SYSTEM
Revision: August 20072004 QX56
Guide Sound is Not HeardEKS007MS
1. CHECK VOICE GUIDE SETTING
While driving in the dark pink route, voice guide does not operate. (note)
NOTE:
Voice guide is only available at intersections that satisfy certain conditions (indicated by
on the map). There-
fore, guidance may not be given even when the route on the map changes direction.
Is volume setting switched OFF?
YES >> Switch the setting ON and turn the volume up.
NO >> GO TO 2.
2. CHECK HARNESS
1. Turn ignition switch OFF.
2. Disconnect NAVI control unit connector and audio unit connector.
3. Check continuity between NAVI control unit and audio unit.
4. Check continuity between NAVI control unit and ground.
Ok or NG
OK >> GO TO 3.
NG >> Repair harness.
3. CHECK VOICE GUIDE
1. Connect NAVI control unit connector and audio unit connector.
2. Turn ignition switch ON.
3. Check signal between NAVI control unit harness connector
B151 terminal 7 (B) and 8 (W) with CONSULT-II or oscilloscope.
OK or NG
OK >> Replace audio unit. Refer to AV- 4 5 , "Removal and
Installation for Audio Unit" .
NG >> Replace NAVI control unit. Refer to AV- 1 5 7 , "
Removal
and Installation of NAVI Control Unit" .
Te r m i n a l s
Continuity NAVI control unit Audio unit
ConnectorTerminal
(Wire color)ConnectorTe r m i n a l
(Wire color)
B1517 (B)
M4571 (B)
Ye s
8 (W) 69 (W)
Te r m i n a l s
Continuity NAVI control unit
—
Connector Terminal (Wire color)
B1517 (B)
Ground No
8 (W)
WKIA1193E
7 (B) – 8 (W) : Refer to AV-90, "Terminals
and Reference Value for
NAVI Control unit" .
SKIA4362E

NAVIGATION SYSTEM
AV-143
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G
H
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MA
B
AV
Revision: August 20072004 QX56
Screen is Not ShownEKS007MT
1. POWER SUPPLY AND GROUND CIRCUIT CHECK
Check power supply and ground circuit. Refer to AV- 11 8 , "
Power Supply and Ground Circuit Check for Display
Unit" .
OK or NG
OK >> Replace display unit. Refer to AV-158, "Removal and Installation of Display Unit" .
NG >> Check the malfunctioning parts.
A/C Screen is Not Shown (NAVI Screen is Shown)EKS007MV
1. CHECK IGNITION SIGNAL
Check ignition signal. Refer to AV- 1 2 4 , "
Ignition Signal Check for Display Control Unit" .
OK or NG
OK >> GO TO 2.
NG >> Check the malfunctioning parts.
2. CHECK CAN COMMUNICATION LINE
Check CAN communication line. Refer to AV- 1 3 1 , "
CAN Communication Line Check" .
OK or NG
OK >> Replace display control unit. Refer to AV-158, "Removal and Installation of Display Control Unit" .
NG >> After filling out CAN DIAG SUPPORT MONITOR check sheet, GO TO LAN-5, "
CAN COMMUNI-
CATION" .
FUEL ECONOMY Screen is Not ShownEKS007MW
1. CHECK IGNITION SIGNAL
Check ignition signal. Refer to AV- 1 2 4 , "
Ignition Signal Check for Display Control Unit" .
OK or NG
OK >> GO TO 2.
NG >> Check the malfunctioning parts.
2. CHECK CAN COMMUNICATION LINE
Check CAN communication line. Refer to AV- 1 3 1 , "
CAN Communication Line Check" .
OK or NG
OK >> Replace display control unit. Refer to AV-158, "Removal and Installation of Display Control Unit" .
NG >> After filling out CAN DIAG SUPPORT MONITOR check sheet, GO TO LAN-5, "
CAN COMMUNI-
CATION" .
Average Fuel Economy Displayed is Not Shown (“ *** ” is Shown)EKS007MX
1. CHECK VEHICLE SPEED SIGNAL
Check vehicle speed signal. Refer to AV-122, "
Vehicle Speed Signal Check for Display Control Unit" .
OK or NG
OK >> GO TO 2.
NG >> Check the malfunctioning parts.
2. CHECK CAN COMMUNICATION LINE
Check CAN communication line. Refer to AV- 1 3 1 , "
CAN Communication Line Check" .
OK or NG
OK >> Replace display control unit. Refer to AV-158, "Removal and Installation of Display Control Unit" .
NG >> After filling out CAN DIAG SUPPORT MONITOR check sheet, GO TO LAN-5, "
CAN COMMUNI-
CATION" .

AV-144
NAVIGATION SYSTEM
Revision: August 20072004 QX56
Distance to Empty Displayed is Not Shown (“ *** ” is Shown)EKS007MY
1. CHECK SPEEDOMETER
Confirm that speedometer is functioning.
Is speedometer functioning?
YES >> GO TO 2.
NO >> Refer to DI-19, "
Vehicle Speed Signal Inspection" .
2. CHECK FUEL GAUGE
Confirm that fuel gauge is functioning.
Is fuel gauge functioning?
YES >> GO TO 3.
NO >> Refer to DI-22, "
Fuel Level Sensor Unit Inspection" .
3. CHECK CAN COMMUNICATION LINE
Check CAN communication line. Refer to AV-131, "
CAN Communication Line Check" .
OK or NG
OK >> Replace display control unit. Refer to AV- 1 5 8 , "Removal and Installation of Display Control Unit" .
NG >> After filling out CAN DIAG SUPPORT MONITOR check sheet, GO TO LAN-5, "
CAN COMMUNI-
CATION" .
Driving Distance or Average Speed Displayed is Not Shown (“ *** ” is Shown)EKS007MZ
1. CHECK IGNITION SIGNAL
Check ignition signal. Refer to AV-124, "
Ignition Signal Check for Display Control Unit" .
OK or NG
OK >> GO TO 2.
NG >> After filling out CAN DIAG SUPPORT MONITOR check sheet, GO TO LAN-5, "
CAN COMMUNI-
CATION" .
2. CHECK VEHICLE SPEED SIGNAL
Check vehicle speed signal. Refer to AV- 1 2 2 , "
Vehicle Speed Signal Check for Display Control Unit" .
OK or NG
OK >> Replace display control unit. Refer to AV- 1 5 8 , "Removal and Installation of Display Control Unit" .
NG >> Check the malfunctioning parts.
WARNING DOOR OPEN Screen is Not ShownEKS007N0
1. CHECK IGNITION SIGNAL
Check ignition signal. Refer to AV-124, "
Ignition Signal Check for Display Control Unit" .
OK or NG
OK >> GO TO 2.
NG >> Check the malfunctioning parts.
2. CHECK VEHICLE SPEED SIGNAL
Check vehicle speed signal. Refer to AV- 1 2 2 , "
Vehicle Speed Signal Check for Display Control Unit" .
OK or NG
OK >> GO TO 3.
NG >> Check the malfunctioning parts.

NAVIGATION SYSTEM
AV-145
C
D
E
F
G
H
I
J
L
MA
B
AV
Revision: August 20072004 QX56
3. CHECK CAN COMMUNICATION LINE
Check CAN communication line. Refer to AV- 1 3 1 , "
CAN Communication Line Check" .
OK or NG
OK >> Replace display control unit. Refer to AV-158, "Removal and Installation of Display Control Unit" .
NG >> After filling out CAN DIAG SUPPORT MONITOR check sheet, GO TO LAN-5, "
CAN COMMUNI-
CATION" .
Unable to Operate All of AV Switches (Unable to Start Self-Diagnosis)EKS007N1
1. CHECK POWER SUPPLY AND GROUND CIRCUIT
Check power supply and ground circuit. Refer to AV-120, "
Power Supply and Ground Circuit Check for AV
Switch" .
OK or NG
OK >> GO TO 2.
NG >> Check the malfunctioning parts.
2. AV SWITCH SELF-DIAGNOSIS
AV switch self-diagnosis. Refer to AV- 11 5 , "
AV Switch Self-Diagnosis Function" .
OK or NG
OK >> GO TO 3.
NG >> Check the malfunctioning parts.
3. CHECK POWER SUPPLY AND GROUND CIRCUIT
Check power supply and ground circuit. Refer to AV- 11 7 , "
Power Supply and Ground Circuit Check for Display
Control Unit" .
OK or NG
OK >> GO TO 4.
NG >> Check the malfunctioning parts.
4. CHECK COMMUNICATION LINE
Check communication line. Refer to AV- 1 3 0 , "
AV Communication Line Check (Between Display Control Unit
and AV Switch)" .
OK or NG
OK >> Replace AV switch. Refer to AV-158, "Removal and Installation of AV Switch" .
NG >> Replace display control unit. Refer to AV-158, "
Removal and Installation of Display Control Unit" .
Audio Does Not WorkEKS007N2
Refer to AV-28, "Trouble Diagnosis" .
Navigation System Does Not ActivateEKS007N4
1. POWER SUPPLY AND GROUND CIRCUIT CHECK
Check power supply and ground circuit. Refer to AV-116, "
Power Supply and Ground Circuit Check for NAVI
Control Unit" .
OK or NG
OK >> Replace NAVI control unit. Refer to AV-157, "Removal and Installation of NAVI Control Unit" .
NG >> Check the malfunctioning parts.