Audio NISSAN TEANA 2008 Service Manual

AV-482
< COMPONENT DIAGNOSIS >[BOSE AUDIO WITH NAVIGATION]
MICROPHONE SIGNAL CIRCUIT
MICROPHONE SIGNAL CIRCUIT
DescriptionINFOID:0000000003765928
Supply power from NAVI control unit to microphone. The microphone transmits the sound voice to the NAVI
control unit.
Diagnosis ProcedureINFOID:0000000003765929
1.CHECK CONTINUITY BETWEEN NAVI CONTROL UNIT AND MICROPHONE CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect NAVI control unit connector and microphone connector.
3. Check continuity between NAVI control unit harness connector and microphone harness connector.
4. Check continuity between NAVI control unit harness connector and ground.
Is inspection result normal?
YES >> GO TO 2.
NO >> Repair harness or connector.
2.CHECK VOLTAGE MICROPHONE VCC
1. Connect NAVI control unit connector.
2. Turn ignition switch ON.
3. Check voltage between NAVI control unit harness connector.
Is inspection result normal?
YES >> GO TO 3.
NO >> Replace NAVI control unit.
3.CHECK MICROPHONE SIGNAL
1. Turn ignition switch OFF.
2. Connect microphone connector.
3. Turn ignition switch ON.
4. Check signal between NAVI control unit harness connector using an oscilloscope.
NAVI control unit Microphone
Continuity
Connector Terminals Connector Terminals
B25539
R204
Existed 41 1
42 2
NAVI control unit
GroundContinuity
Connector Terminals
B25539
Not existed
41
(+) (−)
Vo l ta g e
(Approx.) NAVI control unit NAVI control unit
Connector Terminals Connector Terminals
B255 39 B255 42 5 V

AV
MICROPHONE SIGNAL CIRCUIT
AV-483
< COMPONENT DIAGNOSIS >[BOSE AUDIO WITH NAVIGATION]
C
D
E
F
G
H
I
J
K
L
MB A
O
P
Is inspection result normal?
YES >> Replace NAVI control unit.
NO >> Replace microphone.
(+) (−)
Condition Reference value NAVI control unit NAVI control unit
Connector Terminal Connector Terminal
B255 41 B255 42 Give a voice.
PKIB5037J

AV-484
< COMPONENT DIAGNOSIS >[BOSE AUDIO WITH NAVIGATION]
REAR VIEW CAMERA POWER SUPPLY
REAR VIEW CAMERA POWER SUPPLY
DescriptionINFOID:0000000003821352
 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:0000000003821353
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-485
< COMPONENT DIAGNOSIS >[BOSE AUDIO WITH NAVIGATION]
C
D
E
F
G
H
I
J
K
L
MB A
O
P
CAMERA IMAGE SIGNAL CIRCUIT
DescriptionINFOID:0000000003765932
 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:0000000003765933
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-486
< COMPONENT DIAGNOSIS >[BOSE AUDIO WITH NAVIGATION]
COMPOSITE IMAGE SIGNAL CIRCUIT
COMPOSITE IMAGE SIGNAL CIRCUIT
DescriptionINFOID:0000000003765934
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:0000000003765935
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-487
< COMPONENT DIAGNOSIS >[BOSE AUDIO WITH NAVIGATION]
C
D
E
F
G
H
I
J
K
L
MB A
O
P
STEERING ANGLE SENSOR SIGNAL CIRCUIT
DescriptionINFOID:0000000003765936
 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:0000000003765937
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

AV-488
< COMPONENT DIAGNOSIS >[BOSE AUDIO WITH NAVIGATION]
STEERING ANGLE SENSOR SIGNAL CIRCUIT
3. Turn ignition switch ON.
4. Check signal between camera control unit harness connector and ground.
Is inspection result normal?
YES >> INSPECTION END
NO >> Replace steering angle sensor.
(+)
(−) Condition Reference value Camera control unit
Connector Terminals
B25123, 24 GroundTurn the steering to the right
A: Sensor signal 1
B: Sensor signal 2
Turn the steering to the left
A: Sensor signal 1
B: Sensor signal 2
25 GroundTurn the steering around the
neutral position
A: Sensor signal 3
B: Sensor signal 1
SKIB3827E
SKIB3828E
SKIB3829E

AV
STEERING SWITCH SIGNAL A CIRCUIT
AV-489
< COMPONENT DIAGNOSIS >[BOSE AUDIO WITH NAVIGATION]
C
D
E
F
G
H
I
J
K
L
MB A
O
P
STEERING SWITCH SIGNAL A CIRCUIT
DescriptionINFOID:0000000003765938
Transmits the steering switch signal to AV control unit.
Diagnosis ProcedureINFOID:0000000003765939
1.CHECK STEERING SWITCH SIGNAL A CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect AV control unit connector and spiral cable connector.
3. Check continuity between AV control unit harness connector and spiral cable 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 SPIRAL CABLE
Check spiral cable.
Is inspection result normal?
YES >> GO TO 3.
NO >> Replace spiral cable.
3.CHECK AV CONTROL UNIT VOLTAGE
1. Connect AV control unit connector and spiral cable connector.
2. Turn ignition switch ON.
3. Check voltage between AV control unit harness connector.
Is inspection result normal?
YES >> GO TO 4.
NO >> Replace AV control unit.
4.CHECK STEERING SWITCH
1. Turn ignition switch OFF.
2. Check steering switch. Refer to AV-490, "
Component Inspection".
Is inspection result normal?
YES >> INSPECTION END
NO >> Replace steering switch.
AV control unit Spiral cable
Continuity
Connector Terminal Connector Terminal
M127 6 M33 24 Existed
AV control unit
GroundContinuity
Connector Terminal
M127 6 Not existed
(+) (−)
Vo l ta g e
(Approx.) AV control unit AV control unit
Connector Terminal Connector Terminal
M127 6 M127 15 3.5 V

AV-490
< COMPONENT DIAGNOSIS >[BOSE AUDIO WITH NAVIGATION]
STEERING SWITCH SIGNAL A CIRCUIT
Component Inspection
INFOID:0000000003765940
Measure the resistance between the steering switch connector ter-
minals 14 to 17 and 15 to 17.
Standard
JSNIA0502GB
Steering switch
ConditionResistance
Ω Con-
nectorTe r m i -
nalCon-
nectorTe r m i -
nal
M30314
M303 17ENTER switch ON 1983 – 2063
switch ON709 – 737
MENU DOWN switch
ON315 – 327
MENU UP switch ON 119 – 123
SOURCE switch ON 1
15 switch ON709 – 737
switch ON315 – 327
VOL UP switch ON 119 – 123
VOL DOWN switch ON 1

AV
STEERING SWITCH SIGNAL B CIRCUIT
AV-491
< COMPONENT DIAGNOSIS >[BOSE AUDIO WITH NAVIGATION]
C
D
E
F
G
H
I
J
K
L
MB A
O
P
STEERING SWITCH SIGNAL B CIRCUIT
DescriptionINFOID:0000000003765941
Transmits the steering switch signal to AV control unit.
Diagnosis ProcedureINFOID:0000000003765942
1.CHECK STEERING SWITCH SIGNAL B CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect AV control unit connector and spiral cable connector.
3. Check continuity between AV control unit harness connector and spiral cable 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 SPIRAL CABLE
Check spiral cable.
Is inspection result normal?
YES >> GO TO 3.
NO >> Replace spiral cable.
3.CHECK AV CONTROL UNIT VOLTAGE
1. Connect AV control unit connector and spiral cable connector.
2. Turn ignition switch ON.
3. Check voltage between AV control unit harness connector.
Is inspection result normal?
YES >> GO TO 4.
NO >> Replace AV control unit.
4.CHECK STEERING SWITCH
1. Turn ignition switch OFF.
2. Check steering switch. Refer to AV-492, "
Component Inspection".
Is inspection result normal?
YES >> INSPECTION END
NO >> Replace steering switch.
AV control unit Spiral cable
Continuity
Connector Terminal Connector Terminal
M127 16 M33 31 Existed
AV control unit
GroundContinuity
Connector Terminal
M127 16 Not existed
(+) (−)
Vo l ta g e
(Approx.) AV control unit AV control unit
Connector Terminal Connector Terminal
M127 16 M127 15 3.5 V