2008 NISSAN TEANA Trans

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 AV-648, "Removal and Installation".
DTC LogicINFOID:0000000003765862
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.
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-448
< COMPONENT DIAGNOSIS >[BOSE AUDIO WITH NAVIGATION]
U1250 CAMERA CONTROL UNIT
U1250 CAMERA CONTROL UNIT
DescriptionINFOID:0000000003821336
DTC LogicINFOID:0000000003821337
Diagnosis ProcedureINFOID:0000000003821341
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
U12A0 GPS ANTENNA
AV-459
< COMPONENT DIAGNOSIS >[BOSE AUDIO WITH NAVIGATION]
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U12A0 GPS ANTENNA
DescriptionINFOID:0000000003765866
DTC LogicINFOID:0000000003765867
DTC DETECTION LOGIC
Diagnosis ProcedureINFOID:0000000003765868
1.GPS ANTENNA CHECK
Visually check GPS antenna and antenna feeder.
Is inspection result normal?
YES >> GO TO 2.
NO >> Repair malfunctioning parts.
2.CHECK NAVI CONTROL UNIT VOLTAGE
1. Turn ignition switch OFF.
2. Disconnect GPS antenna connector.
3. Turn ignition switch ON.
4. Check voltage between NAVI control unit terminal and ground.
Is inspection result normal?
YES >> Replace GPS antenna.
NO >> Replace NAVI control unit.
Part name Description
GPS ANTENNA GPS signal is received and transmitted to NAVI control unit.
DTCDisplay contents of
CONSULT-IIIDTC Detection Condition Possible causes
U12A0GPS ANTENNA CONN
[U12A0]GPS antenna connection malfunction is detected. GPS antenna.
(+)
(−)Voltag e
(Approx.) NAVI control unit
Connector Terminal
B474 49 Ground 5.0 V

AV-460
< COMPONENT DIAGNOSIS >[BOSE AUDIO WITH NAVIGATION]
U12A1 NAVI CONTROL UNIT
U12A1 NAVI CONTROL UNIT
DescriptionINFOID:0000000003765869
Replace the NAVI control unit if this DTC is displayed. Refer to AV-649, "Removal and Installation".
DTC LogicINFOID:0000000003765870
DTC DETECTION LOGIC
Part name Description
NAVI CONTROL UNIT Map data can be read from the Map DVD-ROM by installing Map DVD-ROM.
 The NAVI control unit sends map data to the AV control unit.
 The NAVI control unit includes the hands-free phone and navigation functions.
 The NAVI control unit transmits navigation and hands-free phone related imag-
es to AV control unit.
 It includes the TEL adapter and Bluetooth
™ function.
Map DVD-ROM A collection of map data.
DTCDisplay contents of
CONSULT-IIIDTC Detection Condition Action to take
U12A1NAVI INTERNAL ERR
[U12A1]NAVI control unit malfunction is detected. Replace the NAVI control unit.

AV
U12A2 TEL ANTENNA
AV-461
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U12A2 TEL ANTENNA
DescriptionINFOID:0000000003765871
DTC LogicINFOID:0000000003765872
DTC DETECTION LOGIC
Diagnosis ProcedureINFOID:0000000003765873
1.TEL ANTENNA CHECK
Visually check TEL antenna and antenna feeder.
Is inspection result normal?
YES >> GO TO 2.
NO >> Repair malfunctioning parts.
2.CHECK NAVI CONTROL UNIT VOLTAGE
1. Turn ignition switch OFF.
2. Disconnect TEL antenna connector.
3. Turn ignition switch ON.
4. Check voltage between NAVI control unit terminal and ground.
Is inspection result normal?
YES >> Replace TEL antenna.
NO >> Replace NAVI control unit.
Part name Description
TEL ANTENNA TEL voice signal is received and transmitted to NAVI control unit.
DTCDisplay contents of
CONSULT-IIIDTC Detection Condition Possible causes
U12A2BT ANTENNA CONN
[U12A2]TEL antenna connection malfunction is detected. TEL antenna
(+)
(−)Voltag e
(Approx.) NAVI control unit
Connector Terminal
B475 51 Ground 3.3 V

AV
RGB (R: RED) SIGNAL CIRCUIT (AV CONTROL UNIT TO DISPLAY UNIT)
AV-469
< COMPONENT DIAGNOSIS >[BOSE AUDIO WITH NAVIGATION]
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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
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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