Nissan Sentra Service Manual: P2119 Electric throttle control actuator

Nissan Sentra Service Manual / Engine / Engine control system / Dtc/circuit diagnosis / P2119 Electric throttle control actuator

DTC Logic

DTC DETECTION LOGIC

DTC No.	CONSULT screen terms (Trouble diagnosis content)	DTC detecting condition		Possible cause
P2119	ETC ACTR-B1 (Throttle actuator control throttle body range/ performance)	A	Electric throttle control actuator does not function properly due to the return spring malfunction.	Electric throttle control actuator
		B	Throttle valve opening angle in fail-safe mode is not in specified range.
		C	ECM detect the throttle valve is stuck open.

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.

>> GO TO 2.

2.PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION A AND B

Turn ignition switch ON and wait at least 1 second.
Set selector lever to D (CVT) or 1st (M/T) position and wait at least 3 seconds.
Set selector lever to P (CVT) or Neutral (M/T) position
Turn ignition switch OFF and wait at least 10 seconds.
Turn ignition switch ON and wait at least 1 second.
Set selector lever to D (CVT) or 1st (M/T) position and wait at least 3 seconds.
Set selector lever to P (CVT) or Neutral (M/T) position.
Turn ignition switch OFF, wait at least 10 seconds and then turn ON.
Check DTC.

Is DTC detected? YES >> Proceed to EC-430, "Diagnosis Procedure".

NO >> GO TO 3.

3.PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION C

Turn ignition switch ON and wait at least 1 second.
Set selector lever to D (CVT) or 1st (M/T) position and wait at least 3 seconds.
Set selector lever to P (CVT) or Neutral (M/T) position.
Start engine and let it idle for 3 seconds.
Check DTC.

Is DTC detected? YES >> Proceed to EC-430, "Diagnosis Procedure".

NO >> INSPECTION END

Diagnosis Procedure

1.CHECK ELECTRIC THROTTLE CONTROL ACTUATOR VISUALLY

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".

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