2004 INFINITI QX56 Factory Service Manual

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Page 689 of 3371

INFINITI QX56 2004 Factory Service Manual AV-102
NAVIGATION SYSTEM
Revision: August 20072004 QX56
3. While pressing the “PAUSE/MUTE” button, turn the volume con-
trol dial clockwise or counterclockwise for 30 clicks or more.
(When the sel

Page 690 of 3371

INFINITI QX56 2004 Factory Service Manual NAVIGATION SYSTEM
AV-103
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AV
Revision: August 20072004 QX56
7. On the “SELF DIAGNOSIS” screen, each unit name will be col-
ored according to the diagnosis result, as follows.

NAVIGATION SYSTEM
AV-103
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AV
Revision: August 20072004 QX56
7. On the “SELF DIAGNOSIS” screen, each unit name will be col-
ored according to the diagnosis result, as follows.
If several malfunctions are present in a unit, color of its switch
on the screen will be either red, yellow, or gray, determined by
the malfunction of the highest priority.
8. Select a switch on the “SELF DIAGNOSIS” screen and com-
ments for the diagnosis results will be shown.
When the switch is green, the following comment will be
shown. “Self-diagnosis was successful. Further diagnosis and
adjustments are recommended. Follow the “confirmation/
adjustment” menu or refer to the service manual.”
When the switch is yellow, the following comment will be
shown. “Connection to the following unit is abnormal. See the
service manual for further details”.
When the switch is red, the following comment will be shown.
“DCU is abnormal”.
SELF–DIAGNOSIS RESULT
Quick reference table
1. Select a malfunctioning diagnosis No. in the diagnosis result quick reference table.
2. Find estimated malfunctioning system in the diagnosis No. table and perform check by referring to AV-87,
"Wiring Diagram — COMM —" .
3. Turn the ignition switch OFF and perform self-diagnosis again.
*: DCU = Display control unit
CAUTION:
When AV switch has a malfunction, you cannot start. Refer to AV-145, "Unable to Operate All of AV
Switches (Unable to Start Self-Diagnosis)" .
When display unit has a malfunction, you cannot start. Refer to AV-143, "Screen is Not Shown" .
Self-Diagnosis Codes
Green : Not malfunctioning.
Yellow : Cannot be judged by self-diagnosis results.
Red : Unit is malfunctioning.
Gray : Diagnosis has not been done.
WKIA1189E
SKIA4 211 E
Screen switch
Diagnosis No.
Switch color DCU* DISPLAY Audio unit NavigationGPS
antenna
Red×1
Gray×x2
xx 3
×××4
Diagnosis
No.Possible causeReference
page
1 Display control unit malfunction Refer to AV-158
.
2 Display communication line between display control unit and display unit Refer to AV-128
.
3Audio unit power supply and ground circuit
Audio communication line between display control unit and audio unitRefer to AV-126
.
4NAVI control unit power supply and ground circuit
AV communication line between display control unit and NAVI control unitRefer to AV-125
.

Page 691 of 3371

INFINITI QX56 2004 Factory Service Manual AV-104
NAVIGATION SYSTEM
Revision: August 20072004 QX56
Self-Diagnosis Mode (NAVI)EKS007LV
OPERATION PROCEDURE
1. Start the engine.
2. Turn the audio system off.
3. While pressing the “PAUSE/MUTE�

Page 692 of 3371

INFINITI QX56 2004 Factory Service Manual NAVIGATION SYSTEM
AV-105
C
D
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F
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H
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J
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MA
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AV
Revision: August 20072004 QX56
6. On the “SELF DIAGNOSIS” screen, each unit name will be col-
ored according to the diagnosis result, as follows.

NAVIGATION SYSTEM
AV-105
C
D
E
F
G
H
I
J
L
MA
B
AV
Revision: August 20072004 QX56
6. On the “SELF DIAGNOSIS” screen, each unit name will be col-
ored according to the diagnosis result, as follows.
If several malfunctions are present in a unit, color of its switch
on the screen will be either red, yellow, or gray, determined by
the malfunction of the highest priority.
7. Select a switch on the “SELF DIAGNOSIS” screen and com-
ments for the diagnosis results will be shown.
When the switch is green, the following comment will be
shown. “Self-diagnosis was successful. Further diagnosis and
adjustments are recommended. Follow the “Confirmation and
Adjustments” menu or refer to the service manual.”
When the switch is yellow, the following comment will be
shown. “Connection to the following unit is abnormal. See the
service manual for further details”.
When the switch is red, the following comment will be shown.
“Center Control Unit is abnormal”.
When the switch is gray, the following comment will be shown. “Self-diagnosis for DVD-ROM DRIVER
of NAVI was not conducted because no DVD-ROM was available.”
SELF–DIAGNOSIS RESULT
Quick reference table
1. Select an malfunctioning diagnosis No. in the diagnosis result quick reference table.
2. Find estimated malfunctioning system in the diagnosis No. table and perform check by referring to AV-87,
"Wiring Diagram — COMM —" .
3. Turn the ignition switch OFF and perform self-diagnosis again.
*: Center Control unit = NAVI control unit
CAUTION:
When AV switch has a malfunction, you cannot start. Refer to AV-145, "Unable to Operate All of AV
Switches (Unable to Start Self-Diagnosis)" .
When display unit has a malfunction, you cannot start. Refer to AV-143, "Screen is Not Shown" .
Self-diagnosis codes
Green : Not malfunctioning.
Yellow : Cannot be judged by self-diagnosis results.
Red : Unit is malfunctioning.
Gray : Diagnosis has not been done.
SKIA4214E
SKIA4 211 E
Screen switch
Diagnosis No.
Switch color Center control unit* GPS antenna
Red×1
Gray×2
Yellow×3
×4
××5
Diagnosis
No.Possible causeReference
page
1 NAVI control unit malfunction.Refer to
AV- 1 5 7
2 No map DVD-ROM is inserted in the NAVI control unit.Refer to
AV- 1 3 1

Page 693 of 3371

INFINITI QX56 2004 Factory Service Manual AV-106
NAVIGATION SYSTEM
Revision: August 20072004 QX56
3When “DVD-ROM error. Please check disc.” is shown.
1. Eject map DVD-ROM and check if it is compatible with the system.
2. Check ejected DVD

Page 694 of 3371

INFINITI QX56 2004 Factory Service Manual NAVIGATION SYSTEM
AV-107
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AV
Revision: August 20072004 QX56
Confirmation/Adjustment ModeEKS007LW
OPERATION PROCEDURE
1. Start the engine.
2. Turn the audio system off.
3. While p

Page 695 of 3371

INFINITI QX56 2004 Factory Service Manual AV-108
NAVIGATION SYSTEM
Revision: August 20072004 QX56
DISPLAY DIAGNOSIS
When RGB signal error occurred in the RGB system, tone of the color bar will change as follows.
When the color of the scree

Page 696 of 3371

INFINITI QX56 2004 Factory Service Manual NAVIGATION SYSTEM
AV-109
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AV
Revision: August 20072004 QX56
If vehicle speed is NG, refer to AV- 1 2 2 , "Vehicle Speed Signal Check for Display Control Unit" .
If light is N

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