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:
Fog light switch (if so equipped)
To turn the fog lights on, turn the headlight switch
to the position, then turn the
fog light
switch to the position.
If the headlight switch is in the AUTO position
and the fog light switch is moved to the ON
position, both the fog lights and the headlights
(including all other ...
Precaution for Harness Repair
Solder the repair part, and wrap it with tape. [Twisted wire
fray
must be 110 mm (4.33 in) or less.]
Do not bypass the repair point with wire. (If it is
bypassed, the turnout
point cannot be separated and the twisted wire characteristics
are lost.)
...
Diagnosis system (ipdm e/r) (without intelligent key system)
Diagnosis Description
AUTO ACTIVE TEST
Description
In auto active test, the IPDM E/R sends a drive signal to the following
systems to check their operation.
Front wiper (LO, HI)
Parking lamp
License plate lamp
Tail lamp
Front fog lamp (if equipped)
Headlamp (LO, HI)
A/C compress ...
