2006 INFINITI QX56 Factory Service Manual

engine headrest steering bolt pattern automatic transmission air conditioning

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INFINITI QX56 2006 Factory Service Manual AV-112
NAVIGATION SYSTEM
Revision: November 20092006 QX56
Self-Diagnosis Mode (DCU)EKS00GDZ
OPERATION PROCEDURE
1. Start the engine.
2. Turn the audio system off.
3. While pressing the “MEMORY 4”

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INFINITI QX56 2006 Factory Service Manual NAVIGATION SYSTEMAV-113
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6. When the self-diagnosis completes, optional part confirmation
screen will be shown.
When connection of an option

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Revision: November 2009 2006 QX56
6. When the self-diagnosis completes, optional part confirmation
screen will be shown.
When connection of an optional part is judged error, a screen
to check if the optional part is actually fitted on the vehicle or
not will be shown. When fitted, select the switch of the part on
the screen and press “End”. Then the “SELF DIAGNOSIS”
screen will be shown.
When the optional part is connected normally, the switch for
the part will not appear on the screen.
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- 9 7 ,
"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- 1 5 5 , "Unable to Operate All of AV
Switches (Unable to Start Self-Diagnosis)" .
When display unit has a malfunction, you cannot start. Refer to AV- 1 5 3 , "Screen is Not Shown" .
SKIA4209E
Green : Not malfunctioning.
Yellow : Cannot be judged by self-diagnosis results.
Red : Unit is malfunctioning.
Gray : Diagnosis has not been done.
WKIA1189E
SKIA4211E
Screen switch
Diagnosis No.
Switch color DCU* DISPLAY Audio unit Navigation GPS
antenna
Red × 1
Gray ×
x2
xx 3
×× ×4

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INFINITI QX56 2006 Factory Service Manual AV-114
NAVIGATION SYSTEM
Revision: November 20092006 QX56
Self-Diagnosis Codes
Self-Diagnosis Mode (NAVI)EKS00GE0
OPERATION PROCEDURE
1. Start the engine.
2. Turn the audio system off.
3. While press

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INFINITI QX56 2006 Factory Service Manual NAVIGATION SYSTEMAV-115
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5. Perform self-diagnosis by selecting the “Self-diagnosis (NAVI)”.
Self-diagnosis subdivision screen will be s

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5. Perform self-diagnosis by selecting the “Self-diagnosis (NAVI)”.
Self-diagnosis subdivision screen will be shown and the oper-
ation enters the self-diagnosis mode.
A bar graph will be shown on the screen to indicate progress
of the diagnosis.
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. “Connection is normal. Please refer to the Confirma-
tion / Adjustment function or service manual for more detailed
diagnosis information."
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- 9 7 ,
"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- 1 5 5 , "Unable to Operate All of AV
Switches (Unable to Start Self-Diagnosis)" .
WKIA4440E
Green : Not malfunctioning.
Yellow : Cannot be judged by self-diagnosis results.
Red : Unit is malfunctioning.
Gray : Diagnosis has not been done.
WKIA4441E
WKIA4442E
Screen switch Diagnosis No.
Switch color Center control unit* GPS antenna
Red × 1
Gray × 2
Yellow ×
3
× 4
×× 5

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INFINITI QX56 2006 Factory Service Manual AV-116
NAVIGATION SYSTEM
Revision: November 20092006 QX56
When display unit has a malfunction, you cannot start. Refer to AV- 1 5 3 , "Screen is Not Shown" .
Self-diagnosis codes
Diagnosis
No. Poss

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INFINITI QX56 2006 Factory Service Manual NAVIGATION SYSTEMAV-117
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Revision: November 2009 2006 QX56
Confirmation/Adjustment ModeEKS00GE1
OPERATION PROCEDURE
1. Start the engine.
2. Turn the audio system off.
3. While

Page 711 of 3383

INFINITI QX56 2006 Factory Service Manual AV-118
NAVIGATION SYSTEM
Revision: November 20092006 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 scr

Page 712 of 3383

INFINITI QX56 2006 Factory Service Manual NAVIGATION SYSTEMAV-119
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Revision: November 2009 2006 QX56
If vehicle speed is NG, refer to AV- 1 3 2 , "Vehicle Speed Signal Check for Display Control Unit" .
If light is

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