2008 NISSAN TEANA Service Manual

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Page 585 of 5121

NISSAN TEANA 2008 Service Manual AV
U1010 CONTROL UNIT (CAN)
AV-441
< COMPONENT DIAGNOSIS >[BOSE AUDIO WITH NAVIGATION]
C
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MB A
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U1010 CONTROL UNIT (CAN)
DescriptionINFOID:0000000003765854
Initial diagnosis of AV

Page 586 of 5121

NISSAN TEANA 2008 Service Manual AV-442
< COMPONENT DIAGNOSIS >[BOSE AUDIO WITH NAVIGATION]
U1310 AV CONTROL UNIT
U1310 AV CONTROL UNIT
DescriptionINFOID:0000000003765857
Replace the AV control unit if this DTC is displayed. Refer to

Page 587 of 5121

NISSAN TEANA 2008 Service Manual AV
U1200 AV CONTROL UNIT
AV-443
< COMPONENT DIAGNOSIS >[BOSE AUDIO WITH NAVIGATION]
C
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MB A
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U1200 AV CONTROL UNIT
DescriptionINFOID:0000000003820986
Replace the AV control unit if

Page 588 of 5121

NISSAN TEANA 2008 Service Manual AV-444
< COMPONENT DIAGNOSIS >[BOSE AUDIO WITH NAVIGATION]
U1216 AV CONTROL UNIT
U1216 AV CONTROL UNIT
DescriptionINFOID:0000000003820987
Replace the AV control unit if this DTC is displayed. Refer to

Page 589 of 5121

NISSAN TEANA 2008 Service Manual AV
U1231 BOSE AMP.
AV-445
< COMPONENT DIAGNOSIS >[BOSE AUDIO WITH NAVIGATION]
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MB A
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U1231 BOSE AMP.
DescriptionINFOID:0000000003900426
Replace the BOSE amp. if this DTC is displ

Page 590 of 5121

NISSAN TEANA 2008 Service Manual AV-446
< COMPONENT DIAGNOSIS >[BOSE AUDIO WITH NAVIGATION]
U1243 DISPLAY UNIT
U1243 DISPLAY UNIT
DescriptionINFOID:0000000003765863
DTC LogicINFOID:0000000003765864
DTC DETECTION LOGIC
Diagnosis Proce

AV-446
< COMPONENT DIAGNOSIS >[BOSE AUDIO WITH NAVIGATION]
U1243 DISPLAY UNIT
U1243 DISPLAY UNIT
DescriptionINFOID:0000000003765863
DTC LogicINFOID:0000000003765864
DTC DETECTION LOGIC
Diagnosis ProcedureINFOID:0000000003765865
1.CHECK DISPLAY UNIT POWER SUPPLY AND GROUND CIRCUIT
Check display unit power supply and ground circuit. Refer to AV-465, "
DISPLAY UNIT : Diagnosis Procedure".
Is inspection result normal?
YES >> GO TO 2.
NO >> Repair malfunctioning parts.
2.CHECK CONTINUITY COMMUNICATION CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect display unit connector and AV control unit connector.
3. Check continuity between display unit harness connector and AV control unit harness connector.
4. Check continuity between display unit harness connector and ground.
Is inspection result normal?
YES >> GO TO 3.
NO >> Repair harness or connector.
Part name Description
DISPLAY UNIT Display image is controlled by the serial communication from AV control unit.
RGB image signal is input from AV control unit (RGB, RGB area and RGB syn-
chronizing).
Composite image (DVD, AUX and camera images) signal is input from AV con-
trol unit.
Synchronize signal (HP, VP) is output to AV control unit.
Touch panel function can be operated for each system by touching a display
directly.
DTCDisplay contents of
CONSULT-IIIDTC Detection Condition Possible causes
U1243FRONT DISP CONN
[U1243]When either one of the following items is detected:
display unit power supply and ground circuits are mal-
functioning.
serial communication circuits between display unit and
AV control unit are malfunctioning.
serial communication signal between display unit and
AV control unit is malfunctioning. Display unit power supply and
ground circuits.
Serial communication circuits be-
tween display unit and AV control
unit
Display unit AV control unit
Continuity
Connector Terminals Connector Terminals
M4911
M12956
Existed
22 44
Display unit
GroundContinuity
Connector Terminals
M4911
Not existed
22

Page 591 of 5121

NISSAN TEANA 2008 Service Manual AV
U1243 DISPLAY UNIT
AV-447
< COMPONENT DIAGNOSIS >[BOSE AUDIO WITH NAVIGATION]
C
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MB A
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3.CHECK COMMUNICATION SIGNAL
1. Connect display unit connector and AV control unit connect

Page 592 of 5121

NISSAN TEANA 2008 Service Manual AV-448
< COMPONENT DIAGNOSIS >[BOSE AUDIO WITH NAVIGATION]
U1250 CAMERA CONTROL UNIT
U1250 CAMERA CONTROL UNIT
DescriptionINFOID:0000000003821336
DTC LogicINFOID:0000000003821337
Diagnosis ProcedureIN

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