Nissan Murano. Manual — part 157
AV-406
< DTC/CIRCUIT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
U1232 STEERING ANGLE SENSOR
U1232 STEERING ANGLE SENSOR
AV CONTROL UNIT
AV CONTROL UNIT : DTC Logic
INFOID:0000000009721920
AV CONTROL UNIT : Diagnosis Procedure
INFOID:0000000009721921
1.
ADJUST THE PREDICTIVE COURSE LINE CENTER POSITION OF THE STEERING ANGLE SENSOR
When U1232 is detected, adjust the predictive course line center position of the steering angle sensor.
>> Adjusts the steering angle sensor neutral position on ABS actuator and electrical unit (control unit)
side. Refer to
BRC-9, "ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION :
.
CAMERA CONTROL UNIT
CAMERA CONTROL UNIT : DTC Logic
INFOID:0000000009721922
CAMERA CONTROL UNIT : Diagnosis Procedure
INFOID:0000000009721923
1.
REGISTER THE NEUTRAL POSITION OF THE STEERING ANGLE SENSOR
1.
Turn the ignition switch ON.
2.
Perform registration of the neutral position of the steering angle sensor. Refer to
OF STEERING ANGLE SENSOR NEUTRAL POSITION : Special Repair Requirement"
3.
Check “Self Diagnostic Result” of “AVM” with CONSULT.
Is “U1232” detected as the current malfunction?
YES
>> GO TO 2.
NO
>> INSPECTION END
2.
CHECK STEERING ANGLE SENSOR
Check steering angle sensor.
Is the inspection result normal?
YES
>> Replace the camera control unit. Refer to
AV-464, "Removal and Installation"
NO
>> Repair or replace malfunctioning parts.
DTC
Display contents of
CONSULT
DTC detection condition
Possible malfunction factor
U1232
ST ANGLE SEN CALIB
[1232]
Predictive course line center position adjustment of the
steering angle sensor is incomplete.
Adjust the predictive course line cen-
ter position of the steering angle sen-
sor.
DTC
Trouble diagnosis name
DTC detecting condition
Possible causes
U1232
ST ANGLE SEN CALIB
The neutral position registration of the steering angle sen-
sor can not finish.
• Steering angle sensor
• Camera control unit
AV
U1243 DISPLAY UNIT
AV-407
< DTC/CIRCUIT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
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U1243 DISPLAY UNIT
DTC Logic
INFOID:0000000009721924
Diagnosis Procedure
INFOID:0000000009721925
1.
CHECK DISPLAY UNIT POWER SUPPLY AND GROUND CIRCUIT
Check display unit power supply and ground circuit. Refer to
AV-419, "DISPLAY UNIT : Diagnosis Procedure"
.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair malfunctioning parts.
2.
CHECK CONTINUITY COMMUNICATION 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 the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair harness or connector.
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 and ground.
DTC
Display contents of
CONSULT
DTC detection condition
Possible malfunction factor
U1243
FRONT DISP CONN
[U1243]
When either one of the following items are detected:
• display unit power supply and ground circuits are mal-
functioning.
• serial communication circuits between display unit and
AV control unit are malfunctioning.
• Display unit power supply and
ground circuits.
• Serial communication circuits be-
tween display unit and AV control
unit.
Display unit
AV control unit
Continuity
Connector
Terminals
Connector
Terminals
M195
9
M180
89
Existed
10
73
Display unit
Ground
Continuity
Connector
Terminals
M195
9
Not existed
10
AV-408
< DTC/CIRCUIT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
U1243 DISPLAY UNIT
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace AV control unit. Refer to
4.
CHECK COMMUNICATION SIGNAL
Check signal between display unit harness connector and ground.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace display unit. Refer to
.
(+)
(
−
)
Condition
Reference value
Display unit
Connector
Terminal
M195
9
Ground
When adjusting display bright-
ness.
PKIB5039J
(+)
(
−
)
Condition
Reference value
Display unit
Connector
Terminal
M195
10
Ground
When adjusting display bright-
ness.
PKIB5039J
AV
U1244 GPS ANTENNA
AV-409
< DTC/CIRCUIT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
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U1244 GPS ANTENNA
DTC Logic
INFOID:0000000009721926
Diagnosis Procedure
INFOID:0000000009721927
1.
GPS ANTENNA CHECK
Visually check GPS antenna and antenna feeder.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair malfunctioning parts.
2.
CHECK AV CONTROL UNIT VOLTAGE
1.
Trun ignition switch OFF.
2.
Disconnect GPS antenna connector.
3.
Turn ignition switch ON.
4.
Check voltage between AV control unit and ground.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace AV control unit. Refer to
DTC
Display contents of
CONSULT
DTC detection condition
Possible malfunction factor
U1244
GPS ANTENNA CONN
[U1244]
GPS antenna connection malfunction is detected.
Check the connection of the GPS an-
tenna connector.
(+)
(
−
)
Voltage
(Approx.)
AV control unit
Terminal
153
Ground
5.0 V
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