Nissan Sentra Service Manual: P1225 TP Sensor
DTC Logic
DTC DETECTION LOGIC
| DTC No. | CONSULT screen terms (Trouble diagnosis content) | DTC detecting condition | Possible cause |
| P1225 | CTP LEARNING-B1 (Closed throttle position learning bank 1) | Closed throttle position learning value is excessively low. | Electric throttle control actuator (TP sensor 1 and 2) |
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.
- Turn ignition switch OFF and wait at least 10 seconds.
- Turn ignition switch ON.
- Turn ignition switch OFF and wait at least 10 seconds.
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
- Turn ignition switch ON.
- Turn ignition switch OFF and wait at least 10 seconds.
- Turn ignition switch ON.
- Check 1st trip DTC.
Is 1st trip DTC detected? YES >> Proceed to EC-372, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis Procedure
1.CHECK ELECTRIC THROTTLE CONTROL ACTUATOR VISUALLY
- Turn ignition switch OFF.
- Remove the intake air duct. Refer to EM-25, "Exploded View".
- Check if foreign matter is caught between the throttle valve and the housing.
Is the inspection result normal? YES >> Replace electric throttle control actuator. Refer to EM- 27, "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-139, "Work Procedure".
P1217 Engine over temperature
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC P1217 is displayed with DTC UXXXX, first perform the trouble
diagnosis for DTC UXXXX.
If DTC P1217 is displayed with DTC P0607, first perform the ...
P1226 TP Sensor
DTC Logic
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P1226
CTP LEARNING-B1
(CTP LEARNING-B1 ...
Other materials:
Wiring diagram
Nvis (nissan vehicle immobilizer system-
nats)
Wiring Diagram
Vehicle security system
Wiring diagram
...
Heating and cooling unit assembly
Exploded view
With air conditioning
Defroster seal
Center ventilator seal
Upper distribution module
Side ventilator seal (LH)
Blower motor
Blower unit
Intake door motor
Power transistor
Power transistor wiring harness
Front floor duct (lh)
Vent and defroster linkage
Mo ...
Symptom diagnosis
Squeak and rattle trouble diagnoses
Work Flow
Customer interview
Interview the customer if possible, to determine the conditions that exist
when the noise occurs. Use the Diagnostic
Worksheet during the interview to document the facts and conditions when the
noise occurs and any
custome ...
