DTC Description
DTC DETECTION LOGIC
| DTC No. | CONSULT screen terms (Trouble diagnosis content) | DTC detecting condition |
| P1226 | CTP LEARNING-B1 (CTP LEARNING-B1) | Closed throttle position learning is not performed successfully, repeatedly |
POSSIBLE CAUSE
Electric throttle control actuator (TP sensor 1 and 2)
FAIL-SAFE
Not applicable
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.
TESTING CONDITION: Before performing the following procedure, confirm that battery voltage is more than 10 V at idle.
>> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE
Is 1st trip DTC detected? YES >> Proceed to EC-401, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis Procedure
1.CHECK ELECTRIC THROTTLE CONTROL ACTUATOR VISUALLY
Is the inspection result normal? YES >> Replace electric throttle control actuator. Refer to EM- 26, "Removal and Installation".
NO >> Remove the foreign matter and clean the electric throttle control actuator inside, then perform throttle valve closed position learning. Refer to EC-140, "Work Procedure".

P1225 TP sensor
P155D generatorSymptom diagnosi
NOISE, VIBRATION, AND HARSHNESS (NVH) TROUBLESHOOTING
NVH troubleshooting - engine noise
Valve mechanism
Intake and exhaust valve
Water pump
Timing chain
Drive belt
Rotation mechanism
Tappet noise
Camshaft bearing noise
&nb ...
Preparation
Special Service Tools
The actual shape of the tools may differ from those illustrated here.
Tool number
(TechMate No.)
Tool name
Description
KV10111100
(J-37228)
Seal cutter
Removing oil pan (lower) etc.
Commercial Service Tools
T ...
Cold weather driving
Freeing a frozen door lock
To prevent a door lock from freezing, apply deicer
through the key hole. If the lock becomes
frozen, heat the key before inserting it into the key
hole, or use the NISSAN Intelligent Key®.
Antifreeze
In the winter when it is anticipated that the temperature
will dr ...