Trans NISSAN TEANA 2008 Owners Manual

AV
U12A0 GPS ANTENNA
AV-459
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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
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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
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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
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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

AV-472
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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
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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
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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