Nissan Qashqai J11. Manual - part 337
P1226 TP SENSOR
ECM-325
< DTC/CIRCUIT DIAGNOSIS >
[MR20DD]
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P1226 TP SENSOR
DTC Description
INFOID:0000000010703016
DTC DETECTION LOGIC
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.
1.
Turn ignition switch OFF and wait at least 10 seconds.
2.
Turn ignition switch ON.
3.
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
1.
Turn ignition switch ON.
2.
Turn ignition switch OFF and wait at least 10 seconds.
3.
Turn ignition switch ON.
4.
Repeat steps 2 and 3 for 32 times.
5.
Check 1st trip DTC.
Is 1st trip DTC detected?
YES
>> Proceed to
ECM-325, "Diagnosis Procedure"
.
NO-1
>> To check malfunction symptom before repair: Refer to
GI-41, "Intermittent Incident"
NO-2
>> Confirmation after repair: INSPECTION END
Diagnosis Procedure
INFOID:0000000010703017
1.
CHECK ELECTRIC THROTTLE CONTROL ACTUATOR VISUALLY
1.
Turn ignition switch OFF.
2.
Remove the intake air duct. Refer to
EM-147, "Removal and Installation"
3.
Check if foreign matter is caught between the throttle valve and the housing
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Remove the foreign matter and clean the electric throttle control actuator inside, then perform
throttle valve closed position learning. Refer to
2.
REPLACE ELECTRIC THROTTLE CONTROL ACTUATOR
Replace electric throttle control actuator. Refer to
EM-149, "Removal and Installation"
.
>> INSPECTION END
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
P1226
CTP LEARNING-B1
(Closed throttle position learning bank 1)
Closed throttle position learning is not performed successfully, repeatedly.