camera NISSAN TEANA 2008 Owners Manual

AV-224
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U1250 CAMERA CONTROL UNIT
U1250 CAMERA CONTROL UNIT
DescriptionINFOID:0000000003838244
DTC LogicINFOID:0000000003838245
Diagnosis ProcedureINFOID:0000000003901177
1.CHECK CONTINUITY RECOGNITION SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect AV control unit connector and camera control unit connector.
3. Check continuity between AV control unit harness connector and camera 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 AV CONTROL UNIT VOLTAGE
1. Connect AV control unit connector and camera control unit connector.
2. Turn ignition switch ON.
3. Check signal between AV control unit harness connector terminal and ground using an oscilloscope.
Is inspection result normal?
YES >> Replace AV control unit.
Part name Description
CAMERA CONTROL UNIT Camera image signal is input from rear view camera. Camera image signal
output to AV control unit.
 Power supply is transmitted to rear view camera.
 AV control unit recognizes the presence of camera system with camera con-
nection recognition signal.
 Camera control unit is connected via AV communication.
DTCDisplay contents of
CONSULT-IIIDTC Detection Condition Possible causes
U1250CAMERA CONT. CONN
[U1250]Malfunction is detected in camera connection recogni-
tion signal circuit.Camera connection recognition sig-
nal circuit.
AV control unit Camera control unit
Continuity
Connector Terminals Connector Terminals
M130 68 B251 14 Existed
AV c o n t r o l u n i t
GroundContinuity
Connector Terminals
M130 68 Not existed
(+)
(−) ConditionVol tag e
(Approx.) AV c o n t r o l u n i t
Connector Terminal
M130 68 GroundConnected camera
control unit connector0 V
Disconnect camera
control unit connector5 V

AV
U1250 CAMERA CONTROL UNIT
AV-225
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NO >> Replace camera control unit.

AV
U1300 AV COMM CIRCUIT
AV-235
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U1300 AV COMM CIRCUIT
DescriptionINFOID:0000000003765676
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- 2 3 7 , "
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- 2 3 9 , "
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 malfunctioned.BOSE amp. power supply and ground
circuits.
Refer to AV- 2 3 8 , "
BOSE AMP. : Diag-
nosis Procedure".
U1300
U1252 AV COMM CIRCUIT
[U1300]
 REAR-CAMERA LAN
CONN [U1252]Camera control unit power supply and ground circuits are
malfunctioning.Camera control unit power supply
and ground circuits.
Refer to AV- 2 3 9 , "
CAMERA CON-
TROL 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
U1252 AV COMM CIRCUIT
[U1300]
 DVD DECK CONN
[U1248]
 AMP CONN [U124E]
 REAR-CAMERA LAN
CONN [U1252]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 BOSE amp.  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 BOSE amp.AV communication circuits between
multifunction switch and camera con-
trol unit.
U1300
U1240
U1248
U124E
U1252 AV COMM CIRCUIT
[U1300]
 SWITCH CONN
[U1240]
 DVD DECK CONN
[U1248]
 AMP CONN [U124E]
 REAR-CAMERA LAN
CONN [U1252]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.

AV
POWER SUPPLY AND GROUND CIRCUIT
AV-239
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Is the inspection result normal?
YES >> INSPECTION END
NO >> Repair harness or connector.
CAMERA CONTROL UNIT
CAMERA CONTROL UNIT : Diagnosis ProcedureINFOID:0000000003901183
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 CIRCUITS
Check voltage between camera control unit harness connector and ground.
Is inspection result normal?
YES >> GO TO 3.
NO >> Check harness between camera control unit and fuse.
3.CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect camera control unit connector.
3. Check continuity between camera control unit harness connector and ground.
Is inspection result normal?
YES >> INSPECTION END
NO >> Repair harness or connector.
DVD PLAYER
DVD PLAYER : Diagnosis ProcedureINFOID:0000000003901184
1.CHECK FUSE
Check for blown fuses.
Is inspection result normal?
Signal name Connector No. Terminal No. Ignition switch position Continuity
Ground B2247
OFF Existed
12
Power source Fuse No.
Battery 31
Ignition switch ACC 19
Signal name Connector No. Terminal No. Ignition switch position Voltage (Approx.)
Battery power supply
B25132 OFF
Battery voltage
ACC power supply 30 ACC
Signal name Connector No. Terminal No. Ignition switch position Continuity
Ground B251 31 OFF Existed
Power source Fuse No.
Battery 31
Ignition switch ACC or ON 19

AV-246
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HORIZONTAL SYNCHRONIZING (HP) SIGNAL CIRCUIT
HORIZONTAL SYNCHRONIZING (HP) SIGNAL CIRCUIT
DescriptionINFOID:0000000003765713
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:0000000003901190
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-247
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VERTICAL SYNCHRONIZING (VP) SIGNAL CIRCUIT
DescriptionINFOID:0000000003765715
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:0000000003901191
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

AV-250
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REAR VIEW CAMERA POWER SUPPLY
REAR VIEW CAMERA POWER SUPPLY
DescriptionINFOID:0000000003838249
 Camera control unit outputs camera ON signal to rear view camera and inputs rear view camera image sig-
nal from rear view camera when the reverse signal is input.
 The camera control unit that inputs the camera image signal transmits the camera image signal to the AV
control unit.
Diagnosis ProcedureINFOID:0000000003901194
1.CHECK CONTINUITY CAMERA ON SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect camera control unit connector and rear view camera connector.
3. Check continuity between camera control unit harness connector and rear view camera harness connec-
tor.
4. Check continuity between camera control unit harness connector and ground.
Is inspection result normal?
YES >> GO TO 2.
NO >> Repair harness or connector.
2.CHECK VOLTAGE CAMERA ON SIGNAL
1. Connect camera control unit connector and rear view camera connector.
2. Turn ignition switch ON.
3. Check signal between camera control unit harness connector and ground.
Is inspection result normal?
YES >> Replace rear view camera.
NO >> Replace camera control unit.
Camera control unit Rear view camera
Continuity
Connector Terminal Connector Terminal
B2518T1031Existed
Camera control unit
GroundContinuity
Connector Terminal
B251 8 Not existed
(+)
(−) ConditionVoltag e
(Approx.) Camera control unit
Connector Terminal
B251 8 GroundSelector le-
ver in R posi-
tion. 6.0 V
Other than
selector le-
ver in R posi-
tion. 0 V

AV
CAMERA IMAGE SIGNAL CIRCUIT
AV-251
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CAMERA IMAGE SIGNAL CIRCUIT
DescriptionINFOID:0000000003765723
 Camera control unit outputs camera ON signal to rear view camera and inputs rear view camera image sig-
nal from rear view camera when the reverse signal is input.
 The camera control unit that inputs the camera image signal transmits the camera image signal to the AV
control unit.
Diagnosis ProcedureINFOID:0000000003901195
1.CHECK CONTINUITY CAMERA IMAGE SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect camera control unit connector and AV control unit connector.
3. Check continuity between camera control unit harness connector and AV control unit harness connector.
4. Check continuity between camera control unit harness connector and ground.
Is inspection result normal?
YES >> GO TO 2.
NO >> Repair harness or connector.
2.CHECK CAMERA IMAGE SIGNAL
1. Connect camera control unit connector and AV control unit connector.
2. Turn ignition switch ON.
3. Check signal between camera control unit harness connector using an oscilloscope.
Is inspection result normal?
YES >> Replace AV control unit.
NO >> Replace camera control unit.
Camera control unit AV control unit
Continuity
Connector Terminals Connector Terminals
B25111
M13064
Existed
12 65
Camera control unit
GroundContinuity
Connector Terminal
B251 12 Not existed
(+)
(−) Condition Reference value Camera control unit
Connector Terminal
B251 12 GroundWhen rear view camera
image is displayed.
SKIB2251J

AV-252
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COMPOSITE IMAGE SIGNAL CIRCUIT
COMPOSITE IMAGE SIGNAL CIRCUIT
DescriptionINFOID:0000000003765725
AV control unit that inputs the camera image signal and AUX image signal transmits the composite image sig-
nal to the display unit.
Diagnosis ProcedureINFOID:0000000003901196
1.CHECK CONTINUITY COMPOSITE IMAGE SIGNAL CIRCUIT (AV CONTROL UNIT TO DISPLAY UNIT)
1. Turn ignition switch OFF.
2. Disconnect AV control unit connector and display unit connector.
3. Check continuity between AV control unit harness connector and display unit harness connector.
4. Check continuity between AV control unit harness connector and ground.
Is inspection result normal?
YES >> GO TO 2.
NO >> Repair harness or connector.
2.CHECK COMPOSITE IMAGE SIGNAL (AV CONTROL UNIT TO DISPLAY UNIT)
1. Connect AV control unit connector and display unit connector.
2. Turn ignition switch ON.
3. Check signal between AV control unit harness connector using an oscilloscope.
Is inspection result normal?
YES >> Replace display unit.
NO >> Replace AV control unit.
AV control unit Display unit
Continuity
Connector Terminals Connector Terminals
M12936
M4915
Existed
37 5
AV c o n t r o l u n i t
GroundContinuity
Connector Terminal
M129 36 Not existed
(+) (−)
Condition Reference value AV control unit
Ground Connector Terminal
M129 36When AUX or camera image is dis-
played.
SKIB2251J

AV
STEERING ANGLE SENSOR SIGNAL CIRCUIT
AV-253
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STEERING ANGLE SENSOR SIGNAL CIRCUIT
DescriptionINFOID:0000000003765727
 Steering angle sensor signal 1, 2 detects the turning direction and quantity of the steering and transmits it to
the camera control unit.
 Steering angle sensor signal 3 detects the neutral position of the steering and transmits it to the camera con-
trol unit.
 Camera control unit performs the correction of neutral position with sensor signal 1, 2, 3 and vehicle speed
signal.
Diagnosis ProcedureINFOID:0000000003901197
1.CHECK CONTINUITY STEERING ANGLE SENSOR SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect camera control unit connector and steering angle sensor connector.
3. Check continuity between camera control unit harness connector and steering angle sensor harness con-
nector.
4. Check continuity between camera control unit harness connector and ground.
Is inspection result normal?
YES >> GO TO 2.
NO >> Repair harness or connector.
2.CHECK SIGNAL SENSOR SIGNAL
1. Connect camera control unit connector.
2. Turn ignition switch ON.
3. Check voltage between camera control unit harness connector and ground.
Is inspection result normal?
YES >> GO TO 3.
NO >> Replace camera control unit.
3.CHECK SIGNAL SENSOR SIGNAL
1. Turn ignition switch OFF.
2. Connect steering angle sensor connector.
Camera control unit Steering angle sensor
Continuity
Connector Terminals Connector Terminals
B25123
M303
Existed 24 6
25 8
Camera control unit
GroundContinuity
Connector Terminals
B25123
Not existed 24
25
(+)
(−)Voltag e
(Approx.) Camera control unit
Connector Terminals
B25123
Ground 5.0 V 24
25