display NISSAN TEANA 2008 Service Manual

AV-462
< COMPONENT DIAGNOSIS >[BOSE AUDIO WITH NAVIGATION]
U1300 AV COMM CIRCUIT
U1300 AV COMM CIRCUIT
DescriptionINFOID:0000000003765874
U1300 is indicated when malfunction occurs in communication signal of multi AV system. Indicated simulta-
neously, without fail, with the malfunction of control units connected to AV control unit with communication line.
Determine the possible malfunction cause from the table below.
Self-diagnosis results display item
DTCDisplay contents of
CONSULT-IIIDescriptionPossible malfunction factor/Action to
take
U1300
U1240 AV COMM CIRCUIT
[U1300]
 SWITCH CONN
[U1240]When either one of the following items is detected:
 multifunction switch power supply and ground circuits
are malfunctioning.
 AV communication circuits between AV control unit and
multifunction switch are malfunctioning.
 AV communication signal between AV control unit and
multifunction switch is malfunctioning. Multifunction switch power supply
and ground circuits.
Refer to AV- 4 6 6 , "
MULTIFUNC-
TION SWITCH : Diagnosis Proce-
dure".
 AV communication circuits be-
tween AV control unit and multi-
function switch.
U1300
U1248 AV COMM CIRCUIT
[U1300]
 DVD DECK CONN
[U1248]When either one of the following items is detected:
 DVD player power supply and ground circuits are mal-
functioning.
 AV communication circuits between BOSE amp. and
DVD player are malfunctioning.
 AV communication signal between AV control unit and
DVD player is malfunctioning. DVD player power supply and
ground circuits.
Refer to AV- 4 6 8 , "
DVD PLAYER :
Diagnosis Procedure".
 AV communication circuits be-
tween BOSE amp. and DVD player.
U1300
U124E AV COMM CIRCUIT
[U1300]
 AMP CONN [U124E]When either one of the following items is detected:
 BOSE amp. power supply and ground circuits are mal-
functioning.
 AV communication signal between AV control unit and
BOSE amp. is malfunctioning.BOSE amp. power supply and ground
circuits.
Refer to AV- 4 6 6 , "
BOSE AMP. : Diag-
nosis Procedure".
U1300
U1252 AV COMM CIRCUIT
[U1300]
 REAR-CAMERA LAN
CONN [U1252]When either one of the following items is detected:
 camera control unit power supply and ground circuits
are malfunctioning.
 AV communication signal between AV control unit and
camera control unit is malfunctioning.Camera control unit power supply
and ground circuits.
Refer to AV- 4 6 7 , "
CAMERA CON-
TROL UNIT : Diagnosis Procedure".
U1300
U125D AV COMM CIRCUIT
[U1300]
 DVD NAVI CONN
[U125D]NAVI control unit power supply and ground circuits are
malfunctioning.NAVI control unit power supply and
ground circuits.
Refer to AV- 4 6 4 , "
NAVI CONTROL
UNIT : Diagnosis Procedure".
U1300
U1248
U124E AV COMM CIRCUIT
[U1300]
 DVD DECK CONN
[U1248]
 AMP CONN [U124E]When either one of the following items is detected:
 AV communication circuits between NAVI control unit
and BOSE amp. are malfunctioning.
 AV communication signal between NAVI control unit
and BOSE amp. is malfunctioning.AV communication circuits between
NAVI control unit and BOSE amp.
U1300
U1248
U124E
U125D AV COMM CIRCUIT
[U1300]
 DVD DECK CONN
[U1248]
 AMP CONN [U124E]
 DVD NAVI CONN
[U125D]When either one of the following items is detected:
 AV communication circuits between camera control unit
and NAVI control unit are malfunctioning.
 AV communication signal between camera control unit
and NAVI control unit is malfunctioning.AV communication circuits between
camera control unit and NAVI control
unit.

AV
U1300 AV COMM CIRCUIT
AV-463
< COMPONENT DIAGNOSIS >[BOSE AUDIO WITH NAVIGATION]
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U1300
U1248
U124E
U1252
U125D AV COMM CIRCUIT
[U1300]
 DVD DECK CONN
[U1248]
 AMP CONN [U124E]
 REAR-CAMERA LAN
CONN [U1252]
 DVD NAVI CONN
[U125D]With rear control switch
When either one of the following items is detected:
 malfunction is detected in AV communication circuits
between rear control switch and camera control unit.
 malfunction is detected in AV communication circuits
between camera control unit and NAVI control unit.  AV communication circuits be-
tween multifunction switch and rear
control switch.
 AV communication circuits be-
tween rear control switch and cam-
era control unit.
Without rear control switch
When either one of the following items is detected:
 malfunction is detected in AV communication circuits
between multifunction switch and camera control unit.
 malfunction is detected in AV communication circuits
between camera control unit and NAVI control unit.AV communication circuits between
multifunction switch and camera con-
trol unit.
U1300
U1240
U1248
U124E
U1252
U125D AV COMM CIRCUIT
[U1300]
 SWITCH CONN
[U1240]
 DVD DECK CONN
[U1248]
 AMP CONN [U124E]
 REAR-CAMERA LAN
CONN [U1252]
 DVD NAVI CONN
[U125D]When either one of the following items is detected:
 AV communication circuits between AV control unit and
multifunction switch are malfunctioning.
 AV communication signal between AV control unit and
multifunction switch is malfunctioning.AV communication circuits between
AV control unit and multifunction
switch. DTCDisplay contents of
CONSULT-IIIDescriptionPossible malfunction factor/Action to
take

AV
POWER SUPPLY AND GROUND CIRCUIT
AV-465
< COMPONENT DIAGNOSIS >[BOSE AUDIO WITH NAVIGATION]
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MB A
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2.CHECK POWER SUPPLY CIRCUIT
Check voltage between NAVI control unit harness connectors and ground.
Is inspection result normal?
YES >> GO TO 3.
NO >> Check harness between NAVI control unit and fuse.
3.CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect NAVI control unit connectors.
3. Check continuity between NAVI control unit harness connectors and ground.
Is inspection result normal?
YES >> INSPECTION END
NO >> Repair harness or connector.
DISPLAY UNIT
DISPLAY UNIT : Diagnosis ProcedureINFOID:0000000003765897
1.CHECK FUSE
Check for blown fuses.
Is inspection result normal?
YES >> GO TO 2.
NO >> Be sure to eliminate cause of malfunction before installing new fuse.
2.CHECK POWER SUPPLY CIRCUIT
Check voltage between display unit harness connector and ground.
Is inspection result normal?
YES >> GO TO 3.
NO >> Check harness between display unit and fuse.
3.CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect display unit connector.
3. Check continuity between display unit harness connector and ground.
Signal name Connector No. Terminal No. Ignition switch position Voltage (Approx.)
Battery power supply
B2541OFF
Battery voltage
ACC power supply 3 ACC
Signal name Connector No. Terminal No. Ignition switch position Continuity
Ground B254 2 OFF Existed
Power source Fuse No.
Battery 31
Ignition switch ACC or ON 19
Signal name Connector No. Terminal No. Ignition switch position Voltage (Approx.)
Battery power supply
M492OFF
Battery voltage
ACC power supply 3 ACC
Signal name Connector No. Terminal No. Ignition switch position Continuity
Ground M491
OFF Existed
13

AV
RGB (R: RED) SIGNAL CIRCUIT (AV CONTROL UNIT TO DISPLAY UNIT)
AV-469
< COMPONENT DIAGNOSIS >[BOSE AUDIO WITH NAVIGATION]
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MB A
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RGB (R: RED) SIGNAL CIRCUIT (AV CONTROL UNIT TO DISPLAY UNIT)
DescriptionINFOID:0000000003765902
Transmit the image displayed with AV control unit with RGB signal to the display unit.
Diagnosis ProcedureINFOID:0000000003765903
1.CHECK CONTINUITY RGB (R: RED) SIGNAL 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 2.
NO >> Repair harness or connector.
2.CHECK RGB (R: RED) SIGNAL
1. Connect display unit connector and AV control unit connector.
2. Turn ignition switch ON.
3. Check signal between display unit harness connector terminal and ground using an oscilloscope.
Is inspection result normal?
YES >> Replace display unit.
NO >> Replace AV control unit.
Display unit AV control unit
Continuity
Connector Terminal Connector Terminal
M49 17M12940 Existed
Display unit
GroundContinuity
Connector Terminal
M49 17 Not existed
(+)
(−) Condition Reference value Display unit
Connector Terminal
M49 17 GroundStart Confirmation / Adjustment
mode, and then display color bar
by selecting “Color Spectrum Bar”
on DISPLAY DIAGNOSIS screen.
SKIB2238J

AV-470
< COMPONENT DIAGNOSIS >[BOSE AUDIO WITH NAVIGATION]
RGB (G: GREEN) SIGNAL CIRCUIT (AV CONTROL UNIT TO DISPLAY UNIT)
RGB (G: GREEN) SIGNAL CIRCUIT (AV CONTROL UNIT TO DISPLAY
UNIT)
DescriptionINFOID:0000000003765904
Transmit the image displayed with AV control unit or NAVI control unit with RGB signal to the display unit.
Diagnosis ProcedureINFOID:0000000003765905
1.CHECK CONTINUITY RGB (G: GREEN) SIGNAL 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 2.
NO >> Repair harness or connector.
2.CHECK RGB (G: GREEN) SIGNAL
1. Connect display unit connector and AV control unit connector.
2. Turn ignition switch ON.
3. Check signal between display unit harness connector terminal and ground using an oscilloscope.
Is inspection result normal?
YES >> Replace display unit.
NO >> Replace AV control unit.
Display unit AV control unit
Continuity
Connector Terminal Connector Terminal
M49 6 M129 39 Existed
Display unit
GroundContinuity
Connector Terminal
M49 6 Not existed
(+)
(−) Condition Reference value Display unit
Connector Terminal
M49 6 GroundStart Confirmation / Adjustment
mode, and then display color bar
by selecting “Color Spectrum Bar”
on DISPLAY DIAGNOSIS screen.
SKIB2236J

AV
RGB (B: BLUE) SIGNAL CIRCUIT (AV CONTROL UNIT TO DISPLAY UNIT)
AV-471
< COMPONENT DIAGNOSIS >[BOSE AUDIO WITH NAVIGATION]
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RGB (B: BLUE) SIGNAL CIRCUIT (AV CONTROL UNIT TO DISPLAY UNIT)
DescriptionINFOID:0000000003765906
Transmit the image displayed with AV control unit or NAVI control unit with RGB signal to the display unit.
Diagnosis ProcedureINFOID:0000000003765907
1.CHECK CONTINUITY RGB (B: BLUE) SIGNAL 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 2.
NO >> Repair harness or connector.
2.CHECK RGB (B: BLUE) SIGNAL
1. Connect display unit connector and AV control unit connector.
2. Turn ignition switch ON.
3. Check signal between display unit harness connector terminal and ground using an oscilloscope.
Is inspection result normal?
YES >> Replace display unit.
NO >> Replace AV control unit.
Display unit AV control unit
Continuity
Connector Terminal Connector Terminal
M49 18M12938 Existed
Display unit
GroundContinuity
Connector Terminal
M49 18 Not existed
(+)
(−) Condition Reference value Display unit
Connector Terminal
M49 18 GroundStart Confirmation / Adjustment
mode, and then display color bar
by selecting “Color Spectrum Bar”
on DISPLAY DIAGNOSIS screen.
SKIB2237J

AV-472
< COMPONENT DIAGNOSIS >[BOSE AUDIO WITH NAVIGATION]
RGB SYNCHRONIZING SIGNAL CIRCUIT (AV CONTROL UNIT TO DISPLAY
UNIT)
RGB SYNCHRONIZING SIGNAL CIRCUIT (AV CONTROL UNIT TO DIS-
PLAY UNIT)
DescriptionINFOID:0000000003765908
Transmit the RGB synchronizing signal to the display unit so as to synchronize the RGB image displayed with
AV control unit or NAVI control unit.
Diagnosis ProcedureINFOID:0000000003765909
1.CHECK CONTINUITY RGB SYNCHRONIZING SIGNAL 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 2.
NO >> Repair harness or connector.
2.CHECK RGB SYNCHRONIZING SIGNAL
1. Connect display unit connector and AV control unit connector.
2. Turn ignition switch ON.
3. Check signal between display unit harness connector terminal and ground using an oscilloscope.
Is inspection result normal?
YES >> Replace display unit.
NO >> Replace AV control unit.
Display unit AV control unit
Continuity
Connector Terminal Connector Terminal
M49 19M12941 Existed
Display unit
GroundContinuity
Connector Terminal
M49 19 Not existed
(+)
(−) Condition Reference value Display unit
Connector Terminal
M49 19 Ground —
SKIB3603E

AV
RGB AREA (YS) SIGNAL CIRCUIT
AV-473
< COMPONENT DIAGNOSIS >[BOSE AUDIO WITH NAVIGATION]
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RGB AREA (YS) SIGNAL CIRCUIT
DescriptionINFOID:0000000003765910
Transmits the display area of RGB image displayed by AV control unit or NAVI control unit with RGB area (YS)
signal to display unit.
Diagnosis ProcedureINFOID:0000000003765911
1.CHECK CONTINUITY RGB AREA (YS) SIGNAL 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 terminal 9 and ground.
Is inspection result normal?
YES >> GO TO 2.
NO >> Repair harness or connector.
2.CHECK RGB SYNCHRONIZING SIGNAL
1. Connect display unit connector and AV control unit connector.
2. Turn ignition switch ON.
3. Check signal between display unit harness connector terminal and ground using an oscilloscope.
Is inspection result normal?
YES >> Replace display unit.
NO >> Replace AV control unit.
Display unit AV control unit
Continuity
Connector Terminal Connector Terminal
M49 9 M129 43 Existed
Display unit
GroundContinuity
Connector Terminal
M49 9 Not existed
(+)
(−) Condition Reference value Display unit
Connector Terminal
M49 9 GroundWhen RGB image is displayed. Approx. 5 V
When AUX image is displayed.
PKIB4948J

AV-474
< COMPONENT DIAGNOSIS >[BOSE AUDIO WITH NAVIGATION]
HORIZONTAL SYNCHRONIZING (HP) SIGNAL CIRCUIT
HORIZONTAL SYNCHRONIZING (HP) SIGNAL CIRCUIT
DescriptionINFOID:0000000003765912
In composite image (AUX image, camera image), transmit the vertical synchronizing (VP) signal and horizon-
tal synchronizing (HP) signal from display unit to AV control unit so as to synchronize the RGB images dis-
played with AV control unit such as the image quality adjusting menu, etc.
Diagnosis ProcedureINFOID:0000000003765913
1.CHECK CONTINUITY HORIZONTAL SYNCHRONIZING (HP) SIGNAL 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 2.
NO >> Repair harness or connector.
2.CHECK HORIZONTAL SYNCHRONIZING (HP) SIGNAL
1. Connect display unit connector and AV control unit connector.
2. Turn ignition switch ON.
3. Check signal between display unit harness connector terminal and ground using an oscilloscope.
Is inspection result normal?
YES >> Replace AV control unit.
NO >> Replace display unit.
Display unit AV control unit
Continuity
Connector Terminal Connector Terminal
M49 8 M129 45 Existed
Display unit
GroundContinuity
Connector Terminal
M49 8 Not existed
(+)
(−) Condition Reference value Display unit
Connector Terminal
M49 8 Ground —
SKIB3601E

AV
VERTICAL SYNCHRONIZING (VP) SIGNAL CIRCUIT
AV-475
< COMPONENT DIAGNOSIS >[BOSE AUDIO WITH NAVIGATION]
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VERTICAL SYNCHRONIZING (VP) SIGNAL CIRCUIT
DescriptionINFOID:0000000003765914
In composite image (AUX image, camera image), transmit the vertical synchronizing (VP) signal and horizon-
tal synchronizing (HP) signal from display unit to AV control unit so as to synchronize the RGB images dis-
played with AV control unit such as the image quality adjusting menu, etc.
Diagnosis ProcedureINFOID:0000000003765915
1.CHECK CONTINUITY VERTICAL SYNCHRONIZING (VP) SIGNAL 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 2.
NO >> Repair harness or connector.
2.CHECK VERTICAL SYNCHRONIZING (VP) SIGNAL
1. Connect display unit connector and AV control unit connector.
2. Turn ignition switch ON.
3. Check signal between display unit harness connector terminal and ground using an oscilloscope.
Is inspection result normal?
YES >> Replace AV control unit.
NO >> Replace display unit.
Display unit AV control unit
Continuity
Connector Terminal Connector Terminal
M49 20M12957 Existed
Display unit
GroundContinuity
Connector Terminal
M49 20 Not existed
(+)
(−) Condition Reference value Display unit
Connector Terminal
M49 20 Ground —
SKIB3598E