Audio NISSAN TEANA 2008 Service Manual

AV-232
< COMPONENT DIAGNOSIS >[BOSE AUDIO WITHOUT NAVIGATION]
U127C, U127D, U127E, U127F FRONT LEFT DOOR SPEAKER
U127C, U127D, U127E, U127F FRONT LEFT DOOR SPEAKER
DescriptionINFOID:0000000003901606
DTC LogicINFOID:0000000003901607
DTC DETECTION LOGIC
Diagnosis ProcedureINFOID:0000000003901608
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 LH circuit harness or connector.
NO >> Refer to GI section. Refer to GI-35, "
Intermittent Incident".
Part name Description
FRONT LEFT DOOR SPEAKER Outputs sound signal from BOSE amp.
 Outputs sound (mid and low range).
DTCDisplay contents of
CONSULT-IIIDTC Detection Condition Possible causes
U127CFL- DOOR SP OPEN
[U127C]Sound signal front speaker LH circuit is open.Check sound signal front speaker LH
circuit.
U127DFL- DOOR SP SHORT
[U127D]Sound signal front speaker LH circuit is shorted between
front speaker LH signal (+) and front speaker LH signal (-).Check sound signal front speaker LH
circuit.
U127EFL- DOOR SP GND-
SHORT [U127E]Sound signal front speaker LH circuit to ground is shorted.Check sound signal front speaker LH
circuit.
U127FFL- DOOR SP VB-
SHORT [U127F]Sound signal front speaker LH circuit to battery is shorted.Check sound signal front speaker LH
circuit.

AV
U1294, U1295, U1296, U1297 FRONT RIGHT SQUAWKER
AV-233
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U1294, U1295, U1296, U1297 FRONT RIGHT SQUAWKER
DescriptionINFOID:0000000003901609
DTC LogicINFOID:0000000003901610
DTC DETECTION LOGIC
Diagnosis ProcedureINFOID:0000000003901611
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 squawker RH circuit harness or connector.
NO >> Refer to GI section. Refer to GI-35, "
Intermittent Incident".
Part name Description
FRONT RIGHT SQUAWKER Outputs sound signal from BOSE amp.
 Outputs sound (high and mid range).
DTCDisplay contents of
CONSULT-IIIDTC Detection Condition Possible causes
U1294FR-TWEETER OPEN
[U1294]Sound signal front squawker RH circuit is open.Check sound signal front squawker
RH circuit.
U1295FR-TWEETER SHORT
[U1295]Sound signal front squawker RH circuit is shorted be-
tween front squawker RH signal (+) and front squawker
RH signal (-).Check sound signal front squawker
RH circuit.
U1296FR-TWEETER GND-
SHORT [U1296]Sound signal front squawker RH circuit to ground is short-
ed.Check sound signal front squawker
RH circuit.
U1297FR-TWEETER VB-
SHORT [U1297]Sound signal front squawker RH circuit to battery is short-
ed.Check sound signal front squawker
RH circuit.

AV-234
< COMPONENT DIAGNOSIS >[BOSE AUDIO WITHOUT NAVIGATION]
U1298, U1299, U129A, U129B FRONT LEFT SQUAWKER
U1298, U1299, U129A, U129B FRONT LEFT SQUAWKER
DescriptionINFOID:0000000003901612
DTC LogicINFOID:0000000003901613
DTC DETECTION LOGIC
Diagnosis ProcedureINFOID:0000000003901614
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 squawker LH circuit harness or connector.
NO >> Refer to GI section. Refer to GI-35, "
Intermittent Incident".
Part name Description
FRONT LEFT SQUAWKER Outputs sound signal from BOSE amp.
 Outputs sound (high and mid range).
DTCDisplay contents of
CONSULT-IIIDTC Detection Condition Possible causes
U1298FR-TWEETER OPEN
[U1298]Sound signal front squawker LH circuit is open.Check sound signal front squawker
LH circuit.
U1299FR-TWEETER SHORT
[U1299]Sound signal front squawker LH circuit is shorted between
front squawker LH signal (+) and front squawker LH signal
(-).Check sound signal front squawker
LH circuit.
U129AFR-TWEETER GND-
SHORT [U129A]Sound signal front squawker LH circuit to ground is short-
ed.Check sound signal front squawker
LH circuit.
U129BFR-TWEETER VB-
SHORT [U129B]Sound signal front squawker LH circuit to battery is short-
ed.Check sound signal front squawker
LH circuit.

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-236
< COMPONENT DIAGNOSIS >[BOSE AUDIO WITHOUT NAVIGATION]
POWER SUPPLY AND GROUND CIRCUIT
POWER SUPPLY AND GROUND CIRCUIT
AV CONTROL UNIT
AV CONTROL UNIT : Diagnosis ProcedureINFOID:0000000003901178
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 AV control unit harness connectors and ground.
Is inspection result normal?
YES >> GO TO 3.
NO >> Check harness between AV control unit and fuse.
3.CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect AV control unit connectors.
3. Check continuity between AV control unit harness connectors and ground.
Is inspection result normal?
YES >> INSPECTION END
NO >> Repair harness or connector.
DISPLAY UNIT
DISPLAY UNIT : Diagnosis ProcedureINFOID:0000000003901179
1.CHECK POWER SUPPLY CIRCUIT (DISPLAY SIDE)
Check voltage between display unit harness connector and ground.
Is inspection result normal?
YES >> GO TO 4.
NO >> GO TO 2.
Power source Fuse No.
Battery 31
Ignition switch ACC or ON 19
Ignition switch ON or START 4
Signal name Connector No. Terminal No. Ignition switch position Voltage (Approx.)
Battery power supply
M12719 OFF
Battery voltage ACC power supply 7 ACC
Ignition signal M131 104 ON
Signal name Connector No. Terminal No. Ignition switch position Continuity
GroundM127 20
OFF Existed
M131 85
Signal name Connector No. Terminal No. Ignition switch position Voltage (Approx.)
Inverter VCC
M492
ACC 9 V
Signal VCC 3

AV
POWER SUPPLY AND GROUND CIRCUIT
AV-237
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2.CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect the harness connector between display unit and AV control unit.
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.
3.CHECK POWER SUPPLY CIRCUIT (AV CONTROL UNIT SIDE)
1. Connect the AV control unit harness connector.
2. Turn ignition switch ACC.
3. Check voltage between AV control unit harness connector and ground.
Is inspection result normal?
YES >> INSPECTED END.
NO >> Replace AV control unit.
4.CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect display unit connector.
3. Check continuity between display unit harness connector and ground.
Is inspection result normal?
YES >> INSPECTED END.
NO >> Repair harness or connector.
MULTIFUNCTION SWITCH
MULTIFUNCTION SWITCH : Diagnosis ProcedureINFOID:0000000003901181
1.CHECK FUSE
Check for blown fuses.
Is inspection result normal?
Signal nameDisplay unit AV control unit
Continuity
Connector No. Terminal No. Connector No. Terminal No.
Ground M492
M12959
Existed
347
Signal nameDisplay unit
GroundContinuity
Connector No. Terminal No.
Inverter VCC
M492
Not existed
Signal VCC 3
Signal name Connector No. Terminal No. Ignition switch position Voltage (Approx.)
Inverter VCC
M12959
ACC 9 V
Signal VCC 47
Signal nameDisplay unit
GroundContinuity
Connector No. Terminal No.
Ground M49 1 Existed
Power source Fuse No.
Ignition switch ACC or ON 19

AV-238
< COMPONENT DIAGNOSIS >[BOSE AUDIO WITHOUT NAVIGATION]
POWER SUPPLY AND GROUND CIRCUIT
YES >> GO TO 2.
NO >> Be sure to eliminate cause of malfunction before installing new fuse.
2.CHECK POWER SUPPLY CIRCUIT
Check voltage between multifunction switch harness connector and ground.
Is inspection result normal?
YES >> GO TO 3.
NO >> Check harness between multifunction switch and fuse.
3.CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect multifunction switch connector.
3. Check continuity between multifunction switch harness connector and ground.
Is inspection result normal?
YES >> INSPECTION END
NO >> Repair harness or connector.
BOSE AMP.
BOSE AMP. : Diagnosis ProcedureINFOID:0000000003901182
1.CHECK FUSE
Check for blown fuses.
Is the 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 BOSE amp. harness connector and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Check harness between BOSE amp. and fuse.
3.CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BOSE amp. connector.
3. Check continuity between BOSE amp. harness connector and ground.
Signal name Connector No. Terminal No. Ignition switch position Voltage (Approx.)
ACC power supply M125 3 ACC Battery voltage
Signal name Connector No. Terminal No. Ignition switch position Continuity
Ground M125 1 OFF Existed
Power source Fuse No.
Battery 32, 33
Ignition switch ACC 19
Signal name Connector No. Terminal No. Ignition switch position Voltage (Approx.)
Battery power supply B22410
OFF
Battery voltage 11
ACC power supply B225 20 ACC

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-240
< COMPONENT DIAGNOSIS >[BOSE AUDIO WITHOUT NAVIGATION]
POWER SUPPLY AND GROUND CIRCUIT
YES >> GO TO 2.
NO >> Be sure to eliminate cause of malfunction before installing new fuse.
2.CHECK POWER SUPPLY CIRCUIT
Check voltage between DVD player harness connectors and ground.
Is inspection result normal?
YES >> GO TO 3.
NO >> Check harness between DVD player and fuse.
3.CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect DVD player connectors.
3. Check continuity between DVD player harness connectors and ground.
Is inspection result normal?
YES >> INSPECTION END
NO >> Repair harness or connector.
Signal name Connector No. Terminal No. Ignition switch position Voltage (Approx.)
Battery power supply
M2542OFF
Battery voltage
ACC power supply 4 ACC
Signal name Connector No. Terminal No. Ignition switch position Continuity
Ground M254 1 OFF Existed

AV
RGB (R: RED) SIGNAL CIRCUIT (AV CONTROL UNIT TO DISPLAY UNIT)
AV-241
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RGB (R: RED) SIGNAL CIRCUIT (AV CONTROL UNIT TO DISPLAY UNIT)
DescriptionINFOID:0000000003765703
Transmit the image displayed with AV control unit with RGB signal to the display unit.
Diagnosis ProcedureINFOID:0000000003901185
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