Nissan Sentra. Instruction — part 67
AV-260
< DTC/CIRCUIT DIAGNOSIS >
[NAVIGATION WITHOUT BOSE]
U1263 USB
U1263 USB
DTC Logic
INFOID:0000000009758959
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM SELF DIAGNOSTIC RESULT
1. If there is a device connected to the USB interface, disconnect it.
2. Turn ignition switch ON and wait for 2 seconds or more.
3. Perform Self Diagnostic Result for MULTI AV.
Is DTC U1263 displayed?
YES
>> Refer to
.
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000009758960
1.
CHECK USB INTERFACE HARNESS
Visually inspect USB interface harness. Refer to
AV-307, "Removal and Installation"
.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace USB interface harness. Refer to
AV-307, "Removal and Installation"
.
2.
CHECK USB INTERFACE HARNESS
Check USB interface harness. Refer to
.
Is the inspection result normal?
YES
>> Replace AV control unit. Refer to
AV-298, "Removal and Installation"
.
NO
>> Replace USB interface harness. Refer to
AV-307, "Removal and Installation"
.
CONSULT Display
DTC Detection Condition
Possible Cause
USB OVERCURRENT
[U1263]
Overcurrent in USB harness is detected.
• Device connected to USB interface.
• Harness between the AV control unit and USB
interface.
AV
U1264 ANTENNA AMP.
AV-261
< DTC/CIRCUIT DIAGNOSIS >
[NAVIGATION WITHOUT BOSE]
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U1264 ANTENNA AMP.
DTC Logic
INFOID:0000000009758961
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000009758962
Regarding Wiring Diagram information, refer to
.
1.
ANTENNA AMP. INSPECTION
Visually inspect the antenna amp. and antenna feeder. Refer to
.
Is inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace malfunctioning components.
2.
CHECK CONTINUITY BETWEEN AV CONTROL UNIT AND ANTENNA AMP.
1. Turn ignition switch OFF.
2. Disconnect AV control unit connector M144 and antenna amp. connector M502.
3. Check continuity between AV control unit connector M144 and antenna amp. connector M502.
4. Check continuity between AV control unit connector M144 and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace harness or connectors.
3.
CHECK AV CONTROL UNIT VOLTAGE
1. Connect AV control unit connector M144.
2. Turn ignition switch ON.
3. Check voltage between AV control unit connector M144 and ground.
Is the inspection result normal?
YES
>> Replace antenna amp. Refer to
AV-306, "Removal and Installation"
NO
>> Replace AV control unit. Refer to
AV-298, "Removal and Installation"
.
CONSULT Display
DTC Detection Condition
Possible Cause
ANTENNA AMP TERMINAL
[U1264]
Open or short to ground is detected in Antenna
amp. connection.
• Antenna amp. disconnection.
• Open or short to ground in antenna amp. ON
signal circuit.
AV control unit
Antenna amp.
Continuity
Connector
Terminal
Connector
Terminal
M144
54
M502
1
Yes
AV control unit
Ground
Continuity
Connector
Terminal
M144
54
—
No
AV control unit
Ground
Voltage
(Approx.)
(+)
(–)
Connector
Terminal
M144
54
—
Battery voltage
AV-262
< DTC/CIRCUIT DIAGNOSIS >
[NAVIGATION WITHOUT BOSE]
U12AA CONFIGURATION ERROR
U12AA CONFIGURATION ERROR
DTC Logic
INFOID:0000000009758963
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000009758964
1.
PERFORM CONFIGURATION
When U12AA is detected, configuration data must be written.
>> Write configuration data with CONSULT. Refer to
AV-251, "CONFIGURATION (AV CONTROL
CONSULT Display
DTC Detection Condition
Possible Cause
Configuration Error
[U12AA]
AV control unit is not properly configured or con-
figuration is corrupt.
Configuration data needs to be written.
Refer to
AV-251, "CONFIGURATION (AV CON-
.
AV
U12AC AV CONTROL UNIT
AV-263
< DTC/CIRCUIT DIAGNOSIS >
[NAVIGATION WITHOUT BOSE]
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U12AC AV CONTROL UNIT
DTC Logic
INFOID:0000000009758965
DTC DETECTION LOGIC
CONSULT Display
DTC Detection Condition
Possible Cause
Display Temperature too High
[U12AC]
Display temperature has exceeded maximum
temperature. Display is switched OFF to avoid ir-
reversible damage.
Replace AV control unit if malfunction occurs
constantly.
Refer to
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