Nissan X-Trail 32. Instruction — part 55
AV-212
< DTC/CIRCUIT DIAGNOSIS >
[WITH NAVIGATION]
U12AC NAVI CONTROL UNIT
U12AC NAVI CONTROL UNIT
DTC Description
INFOID:0000000010714873
DTC DETECTION LOGIC
POSSIBLE CAUSE
NAVI control unit
FAIL-SAFE
The function of some multi-AV systems does not operate
DTC CONFIRMATION PROCEDURE
NOTE:
• The auto ACC function allows the accessory power supply for a certain period of time even after ignition
switch OFF. For this reason, when performing diagnosis, turn the ignition switch OFF and wait for 3 minutes
with the driver's door opened.
• The operation of the vehicle during standby may cause an accessory power supply.
1.
PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT
1.
Turn ignition switch ON.
2.
Turn ignition switch OFF and wait for 3 minutes with the driver's door opened.
3.
Turn ignition switch ON and wait at least 30 seconds.
4.
Select “Self Diagnostic Result” mode of “MULTI AV” using CONSULT.
5.
Check DTC.
Is DTC U12AC detected?
YES
>> Proceed to
NO-1
>> To check malfunction symptom before repair: Refer to
GI-44, "Intermittent Incident"
.
NO-2
>> Confirmation after repair: INSPECTION END
Diagnosis Procedure
INFOID:0000000010714874
1.
PERFORM DTC CONFIRMATION PROCEDURE AGAIN
With CONSULT
1.
Turn ignition switch ON.
2.
Erase DTC.
3.
Perform DTC confirmation procedure again. Refer to
.
Is DTC U12AC detected again?
YES
>> Replace NAVI control unit. Refer to
AV-262, "Removal and Installation"
NO
>> INSPECTION END
DTC
Trouble diagnosis
(Trouble diagnosis contents)
Detecting condition
U12AC
DISPLAY TEMPERATURE TOO
HIGH
(Display temperature too high)
Excessive display circuit temperature is detected.
AV
U12AD NAVI CONTROL UNIT
AV-213
< DTC/CIRCUIT DIAGNOSIS >
[WITH NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
U12AD NAVI CONTROL UNIT
DTC Description
INFOID:0000000010714875
DTC DETECTION LOGIC
POSSIBLE CAUSE
NAVI control unit
FAIL-SAFE
The function of some multi-AV systems does not operate
DTC CONFIRMATION PROCEDURE
NOTE:
• The auto ACC function allows the accessory power supply for a certain period of time even after ignition
switch OFF. For this reason, when performing diagnosis, turn the ignition switch OFF and wait for 3 minutes
with the driver's door opened.
• The operation of the vehicle during standby may cause an accessory power supply.
1.
PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT
1.
Turn ignition switch ON.
2.
Turn ignition switch OFF and wait for 3 minutes with the driver's door opened.
3.
Turn ignition switch ON and wait at least 30 seconds.
4.
Select “Self Diagnostic Result” mode of “MULTI AV” using CONSULT.
5.
Check DTC.
Is DTC U12AD detected?
YES
>> Proceed to
NO-1
>> To check malfunction symptom before repair: Refer to
GI-44, "Intermittent Incident"
NO-2
>> Confirmation after repair: INSPECTION END
Diagnosis Procedure
INFOID:0000000010714876
1.
PERFORM DTC CONFIRMATION PROCEDURE AGAIN
With CONSULT
1.
Turn ignition switch ON.
2.
Erase DTC.
3.
Perform DTC confirmation procedure again. Refer to
.
Is DTC U12AD detected again?
YES
>> Replace NAVI control unit. Refer to
AV-262, "Removal and Installation"
NO
>> INSPECTION END
DTC
Trouble diagnosis
(Trouble diagnosis contents)
Detecting condition
U12AD
ECU TEMPERATURE TOO HIGH
(Electronic control unit temperature
too High)
Excessive internal ECU circuit temperature is detected.
AV-214
< DTC/CIRCUIT DIAGNOSIS >
[WITH NAVIGATION]
U12AE NAVI CONTROL UNIT
U12AE NAVI CONTROL UNIT
DTC Description
INFOID:0000000010714877
DTC DETECTION LOGIC
POSSIBLE CAUSE
NAVI control unit
FAIL-SAFE
The function of some multi-AV systems does not operate
DTC CONFIRMATION PROCEDURE
NOTE:
• The auto ACC function allows the accessory power supply for a certain period of time even after ignition
switch OFF. For this reason, when performing diagnosis, turn the ignition switch OFF and wait for 3 minutes
with the driver's door opened.
• The operation of the vehicle during standby may cause an accessory power supply.
1.
PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT
1.
Turn ignition switch ON.
2.
Turn ignition switch OFF and wait for 3 minutes with the driver's door opened.
3.
Turn ignition switch ON and wait at least 30 seconds.
4.
Select “Self Diagnostic Result” mode of “MULTI AV” using CONSULT.
5.
Check DTC.
Is DTC U12AE detected?
YES
>> Proceed to
NO-1
>> To check malfunction symptom before repair: Refer to
GI-44, "Intermittent Incident"
.
NO-2
>> Confirmation after repair: INSPECTION END
Diagnosis Procedure
INFOID:0000000010714878
1.
PERFORM DTC CONFIRMATION PROCEDURE AGAIN
With CONSULT
1.
Turn ignition switch ON.
2.
Erase DTC.
3.
Perform DTC confirmation procedure again. Refer to
.
Is DTC U12AE detected again?
YES
>> Replace NAVI control unit. Refer to
AV-262, "Removal and Installation"
NO
>> INSPECTION END
DTC
Trouble diagnosis
(Trouble diagnosis contents)
Detecting condition
U12AE
INTERNAL AMP TEMP WARNING
(Internal amplifier temperature warn-
ing)
Excessive internal amplifier circuit temperature is detected.
AV
U12AF NAVI CONTROL UNIT
AV-215
< DTC/CIRCUIT DIAGNOSIS >
[WITH NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
U12AF NAVI CONTROL UNIT
DTC Description
INFOID:0000000010714879
DTC DETECTION LOGIC
POSSIBLE CAUSE
NAVI control unit
FAIL-SAFE
The function of some multi-AV systems does not operate
DTC CONFIRMATION PROCEDURE
NOTE:
• The auto ACC function allows the accessory power supply for a certain period of time even after ignition
switch OFF. For this reason, when performing diagnosis, turn the ignition switch OFF and wait for 3 minutes
with the driver's door opened.
• The operation of the vehicle during standby may cause an accessory power supply.
1.
PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT
1.
Turn ignition switch ON.
2.
Turn ignition switch OFF and wait for 3 minutes with the driver's door opened.
3.
Turn ignition switch ON and wait at least 30 seconds.
4.
Select “Self Diagnostic Result” mode of “MULTI AV” using CONSULT.
5.
Check DTC.
Is DTC U12AF detected?
YES
>> Proceed to
NO-1
>> To check malfunction symptom before repair: Refer to
GI-44, "Intermittent Incident"
NO-2
>> Confirmation after repair: INSPECTION END
Diagnosis Procedure
INFOID:0000000010714880
1.
PERFORM DTC CONFIRMATION PROCEDURE AGAIN
With CONSULT
1.
Turn ignition switch ON.
2.
Erase DTC.
3.
Perform DTC confirmation procedure again. Refer to
.
Is DTC U12AF detected again?
YES
>> Replace NAVI control unit. Refer to
AV-262, "Removal and Installation"
NO
>> INSPECTION END
DTC
Trouble diagnosis
(Trouble diagnosis contents)
Detecting condition
U12AF
CD MECHANISM TEMP WARNING
(CD mechanism temperature warn-
ing)
Excessive CD mechanism circuit temperature is detected.
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