Nissan Sentra B18 (2020-2025) Service Manual / Engine / Work Procedure (After Replacing Electric Throttle Control Actuator) / Dtc/circuit Diagnosis / P159f Active Grille Shutter

Nissan Sentra B18 (2020-2025) Service Manual: P159f Active Grille Shutter

Dtc Description

DTC Description

DTC DETECTION LOGIC

Active grille shutter normally stops within zone which is defined by zone (90°±20°).

If the active grille shutter stops within zone stuck error is detected, and if the active grille shutter stops at position beyond zone overrun error is detected.

DTC	CONSULT screen terms (Trouble diagnosis content)	DTC detection condition
P159F	ACTIVE GRILLE AIR SHUTTER A (Active grille air shutter A)	Diagnosis condition	—
		Signal (terminal)	—
		Threshold	Detects the malfunction of initial position learning or operational malfunctions for specified times.
		Diagnosis delay time	—

POSSIBLE CAUSE

Foreign objects interferes with active grille shutter

FAIL-SAFE

Not applicable

Confirmation Procedure

Confirmation Procedure

CHECK DTC PRIORITY

If DTC P059F displayed with DTC UXXXX, P0116, P0117, P0118, P0125, P0196, P0197, P0198, P0500 or P0607 first perform the trouble diagnosis for DTC UXXXX, P0116, P0117, P0118, P0125, P0196, P0197, P0198, P0500 or P0607.

Is applicable DTC detected?
YES >>
Perform diagnosis of applicable. Refer to DTC Index.
NO >>
GO TO 2.
PRECONDITIONING

If another DTC Confirmation Procedure is conducted just before this procedure, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test.

TESTING CONDITION:

Before performing the following procedure, confirm that battery voltage is between 11V and 16V with ignition switch ON.

With CONSULT >>
GO TO 3.
Without CONSULT>>
GO TO 4.
DTC CONFIRMATION PROCEDURE

With CONSULT
1. Turn ignition switch OFF and wait 10 seconds or more.
2. Turn ignition switch ON.
3. Select “ACTIVE GRILLE SHUTTER” in “ACTIVE TEST”of “ENGINE” using CONSULT.
4. Touch “CALIBRTN”at least 30 seconds.
5. Check 1st trip DTC.
Is 1st trip DTC is detected?
YES >>
Refer to DTC Diagnosis Procedure.
NO >>
INSPECTION END
DTC CONFIRMATION PROCEDURE
1. Drive the Nissan Sentra vehicle at 30 km/h (19 MPH) or more for at least 30 seconds.
2. Check DTC.
Is 1st trip DTC detected?
YES >>
Refer to DTC Diagnosis Procedure.
NO >>
INSPECTION END

Dtc Diagnosis Procedure

DTC Diagnosis Procedure

CHECK DTC PRIORITY

If DTC P059F displayed with DTC UXXXX, P0116, P0117, P0118, P0125, P0196, P0197, P0198, P0500 or P0607 first perform the trouble diagnosis for DTC UXXXX, P0116, P0117, P0118, P0125, P0196, P0197, P0198, P0500 or P0607.

Is applicable DTC detected?
YES >>
Perform diagnosis of applicable. Refer to DTC Index.
NO >>
GO TO 2.
CHECK ACTIVE GRILL SHUTTER
1. Turn ignition switch OFF.
2. Check if any foreign objects interferes with active grille shutter.
3. Check the installation condition of active grille shutter.
Is the inspection result normal?
YES >>
INSPECTION END
NO >>
Repair or replace the error-detected parts.

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