Nissan Teana J32. Manual — part 92
AV
U1243 DISPLAY UNIT
AV-223
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
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
Ground
When adjusting display bright-
ness.
PKIB5039J
(+)
(
−
)
Condition
Reference value
Display unit
Connector
Terminal
M49
22
Ground
When adjusting display bright-
ness.
PKIB5039J
AV-224
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
U1250 CAMERA CONTROL UNIT
U1250 CAMERA CONTROL UNIT
Description
INFOID:0000000003838244
DTC Logic
INFOID:0000000003838245
Diagnosis Procedure
INFOID: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.
DTC
Display contents of
CONSULT-III
DTC Detection Condition
Possible causes
U1250
CAMERA 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 control unit
Ground
Continuity
Connector
Terminals
M130
68
Not existed
(+)
(
−
)
Condition
Voltage
(Approx.)
AV control unit
Connector
Terminal
M130
68
Ground
Connected camera
control unit connector
0 V
Disconnect camera
control unit connector
5 V
AV
U1250 CAMERA CONTROL UNIT
AV-225
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
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
Description
INFOID:0000000003901588
DTC Logic
INFOID:0000000003901589
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID: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).
DTC
Display contents of
CONSULT-III
DTC Detection Condition
Possible causes
U1260
CENTER SP OPEN
[U1260]
Sound signal center speaker circuit is open.
Check sound signal center speaker
circuit.
U1261
CENTER SP SHORT
[U1261]
Sound signal center speaker circuit is shorted between
center speaker signal (+) and center speaker signal (-).
Check sound signal center speaker
circuit.
U1262
CENTER SP GND-
SHORT [U1262]
Sound signal center speaker circuit to ground is shorted.
Check sound signal center speaker
circuit.
U1263
CENTER SP VB-
SHORT [U1263]
Sound signal center speaker circuit to battery is shorted.
Check sound signal center speaker
circuit.
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