2008 NISSAN TEANA navigation

AV-220
< COMPONENT DIAGNOSIS >[BOSE AUDIO WITHOUT NAVIGATION]
U1216 AV CONTROL UNIT
U1216 AV CONTROL UNIT
DescriptionINFOID:0000000003765671
Replace the AV control unit if this DTC is displayed. Refer to AV-378, "Removal and Installation".
DTC LogicINFOID:0000000003765672
Part name Description
AV CONTROL UNIT It is the master unit of the MULTI AV system, and it is connected to each control
unit by communication. It operates each system according to communication
signals from the AV control unit.
 AV control unit includes audio function and vehicle information function.
 It is connected to ECM and combination meter. via CAN communication to ob-
tain necessary information for the vehicle information function.
 It is connected to BCM via CAN communication transmitting/receiving for the
vehicle settings function.
 Composite image signal (AUX and DVD images) is input from DVD player.
 Camera image signal is input from camera control unit.
 Composite image (DVD, AUX and camera images) signal is output to display
unit.
 Sound signal (DVD and AUX sounds) is input from the DVD player.
 Power (signal VCC and inverter VCC) is transmitted to front display unit.
DTCDisplay contents of
CONSULT-IIIDTC Detection Condition Action to take
U1216CAN CONT
[U1216]Internal malfunction of AV control unit (CAN controller) is
detected.Replace AV control unit.

AV
U1231 BOSE AMP.
AV-221
< COMPONENT DIAGNOSIS >[BOSE AUDIO WITHOUT NAVIGATION]
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U1231 BOSE AMP.
DescriptionINFOID:0000000003900431
Replace the BOSE amp. if this DTC is displayed. Refer to AV-386, "Removal and Installation".
DTC LogicINFOID:0000000003900432
Part name Description
BOSE AMP.Inputs sound signal from AV control unit and DVD player, and outputs sound sig-
nal to woofer and each speaker.
DTCDisplay contents of
CONSULT-IIIDTC Detection Condition Action to take
U1231AMP TEMP
[U1231]Internal malfunction of BOSE amp. is detected. Replace BOSE amp.

AV-222
< COMPONENT DIAGNOSIS >[BOSE AUDIO WITHOUT NAVIGATION]
U1243 DISPLAY UNIT
U1243 DISPLAY UNIT
DescriptionINFOID:0000000003765673
DTC LogicINFOID:0000000003765674
DTC DETECTION LOGIC
Diagnosis ProcedureINFOID:0000000003901175
1.CHECK DISPLAY UNIT POWER SUPPLY AND GROUND CIRCUIT
Check display unit power supply and ground circuit. Refer to AV-236, "
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.
 It receives the power (signal VCC and inverter VCC) from the AV control unit
and operates.
 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.
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

AV
U1243 DISPLAY UNIT
AV-223
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3.CHECK COMMUNICATION 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 >> GO TO 4.
NO >> Replace AV control unit.
4.CHECK COMMUNICATION SIGNAL
Check signal between display unit harness connector terminal and ground using an oscilloscope.
Is inspection result normal?
YES >> INSPECTION END
NO >> Replace display unit.
(+)
(−) Condition Reference value Display unit
Connector Terminal
M49 11 GroundWhen adjusting display bright-
ness.
PKIB5039J
(+)
(−) Condition Reference value Display unit
Connector Terminal
M49 22 GroundWhen adjusting display bright-
ness.
PKIB5039J

AV-224
< COMPONENT DIAGNOSIS >[BOSE AUDIO WITHOUT NAVIGATION]
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
< COMPONENT DIAGNOSIS >[BOSE AUDIO WITHOUT NAVIGATION]
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NO >> Replace camera control unit.

AV-226
< COMPONENT DIAGNOSIS >[BOSE AUDIO WITHOUT NAVIGATION]
U1260, U1261, U1262, U1263 CENTER SPEAKER
U1260, U1261, U1262, U1263 CENTER SPEAKER
DescriptionINFOID:0000000003901588
DTC LogicINFOID:0000000003901589
DTC DETECTION LOGIC
Diagnosis ProcedureINFOID:0000000003901590
1.PERFORM THE SELF-DIAGNOSIS
1. Delete the self-diagnosis results. Turn ignition switch OFF.
2. Turn ignition switch ON. perform the self-diagnosis again.
3. Check that the DTC is detected again.
Is any DTC detected?
YES >> Repair sound signal center speaker circuit harness or connector.
NO >> Refer to GI section. Refer to GI-35, "
Intermittent Incident".
Part name Description
CENTER SPEAKER Outputs sound signal from BOSE amp.
 Outputs sound (high and mid range).
DTCDisplay contents of
CONSULT-IIIDTC Detection Condition Possible causes
U1260CENTER SP OPEN
[U1260]Sound signal center speaker circuit is open.Check sound signal center speaker
circuit.
U1261CENTER SP SHORT
[U1261]Sound signal center speaker circuit is shorted between
center speaker signal (+) and center speaker signal (-).Check sound signal center speaker
circuit.
U1262CENTER SP GND-
SHORT [U1262]Sound signal center speaker circuit to ground is shorted.Check sound signal center speaker
circuit.
U1263CENTER SP VB-
SHORT [U1263]Sound signal center speaker circuit to battery is shorted.Check sound signal center speaker
circuit.

AV
U1264, U1265, U1266, U1267 FRONT RIGHT DOOR SPEAKER
AV-227
< COMPONENT DIAGNOSIS >[BOSE AUDIO WITHOUT NAVIGATION]
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U1264, U1265, U1266, U1267 FRONT RIGHT DOOR SPEAKER
DescriptionINFOID:0000000003901591
DTC LogicINFOID:0000000003901592
DTC DETECTION LOGIC
Diagnosis ProcedureINFOID:0000000003901593
1.PERFORM THE SELF-DIAGNOSIS
1. Delete the self-diagnosis results. Turn ignition switch OFF.
2. Turn ignition switch ON. perform the self-diagnosis again.
3. Check that the DTC is detected again.
Is any DTC detected?
YES >> Repair sound signal front speaker RH circuit harness or connector.
NO >> Refer to GI section. Refer to GI-35, "
Intermittent Incident".
Part name Description
FRONT RIGHT DOOR SPEAKER Outputs sound signal from BOSE amp.
 Outputs sound (mid and low range).
DTCDisplay contents of
CONSULT-IIIDTC Detection Condition Possible causes
U1264FR-DOOR SP OPEN
[U1264]Sound signal front speaker RH circuit is open.Check sound signal front speaker RH
circuit.
U1265FR-DOOR SP SHORT
[U1265]Sound signal front speaker RH circuit is shorted between
front speaker RH signal (+) and front speaker RH signal (-
).Check sound signal front speaker RH
circuit.
U1266FR-DOOR SP GND-
SHORT [U1266]Sound signal front speaker RH circuit to ground is short-
ed.Check sound signal front speaker RH
circuit.
U1267FR-DOOR SP VB-
SHORT [U1267]Sound signal front speaker RH circuit to battery is short-
ed.Check sound signal front speaker RH
circuit.