Nissan Sentra B18 (2020-2025) Service Manual: U1231 Amplifier Temperature
Dtc Description
DTC Description
DTC DETECTION LOGIC
|
DTC No. |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition |
||
|---|---|---|---|---|
|
U1231–98 |
AMP TEMP (Amp temperature) |
— |
Diagnosis condition |
When ignition switch is ON. |
|
Signal (terminal) |
— |
|||
|
Threshold |
— |
|||
|
Diagnosis delay time |
— |
|||
POSSIBLE CAUSE
-
Bose speaker amp. temperature is high
-
Bose speaker amp.
FAIL-SAFE
Bose system does not function
Confirmation Procedure
Confirmation Procedure
-
PERFORM DTC CONFIRMATION PROCEDURE
-
CONSULT-
Ignition switch ON.
-
Ignition switch OFF and wait at least 30 seconds.
-
Ignition switch ON and wait at least 30 seconds or more.
-
Select “Self Diagnostic Result” mode of “AUDIO AMP.”.
-
Check DTC.
-
Is DTC U1231–98 detected?
YES>>Refer to DTC Diagnosis Procedure.
NO>>To check malfunction symptom before repair: Refer to Intermittent Incident.
NO>>Confirmation after repair: Inspection End
-
Dtc Diagnosis Procedure
DTC Diagnosis Procedure
-
CHECK AROUND BOSE SPEAKER AMP.
-
Check whether there is any factor which causes a temperature rise near Bose speaker amp.
Was there any factor?
YES >>Remove a factor.
NO >>GO TO 2.
-
-
PERFORM DTC CONFIRMATION PROCEDURE AGAIN
-
CONSULT-
Ignition switch ON.
-
Erase DTC.
-
Perform confirmation procedure again. Refer to DTC Diagnosis Procedure.
-
Is DTC U1231–98 detected again?
YES >>Replace Bose speaker amp. Refer to Removal and Installation.
NO >>Inspection End.
-
Other materials:
Side Radar Right (side Radar Rh)
C1e80-44 Control Unit
Dtc Description
DTC Description
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis
content)
DTC detecti ...
B Terminal Circuit. Diagnosis Procedure
Diagnosis Procedure
Diagnosis Procedure
“B” terminal circuit supplies power to charge the
battery and to operate the vehicles electrical system.
CHECK “B” TERMINAL CONNECTION
Ignition switch OFF.
...
C1741-21 Tire Pressure Sensor No Data Fl
Dtc Description
DTC Description
Note:
The Signal Tech II Tool [– (NI-50190)] can be used
to perform the following functions: Refer to the Signal Tech II User
Guide for additional information.
Activate and display TPMS sensor IDs
Display tire pressure rep ...