Nissan Sentra B18 (2020-2025) Service Manual: P059f Active Grille Shutter

Nissan Sentra B18 (2020-2025) Service Manual / Engine / Work Procedure (After Replacing Electric Throttle Control Actuator) / Dtc/circuit Diagnosis / P059f 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 No.	CONSULT screen terms (Trouble diagnosis content)	DTC detecting condition
P059F	ACTIVE GRILLE AIR SHUTTER A (Active grille air shutter A performance/stuck off)	Detects the malfunction of initial position learning or operational malfunctions for specified times.

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

P059F

ACTIVE GRILLE AIR SHUTTER A

(Active grille air shutter A performance/stuck off)

Detects the malfunction of initial position learning or operational malfunctions for specified times.

POSSIBLE CAUSE

Harness or connectors

(Active grille shutter circuit is open or shorted.)
Active grille shutter
Foreign objects interferes with active grille shutter

FAIL-SAFE

Engine Control System

Engine operating condition in fail-safe mode
Fail safe mode		Nissan Sentra Vehicle behavior
Others		When a voltage and temperature related malfunction is detected, the active grille shutter stops at the position detection. Except for the above case, operates the active grille shutter to fully opened position.

Idle Start/Stop System

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.
PERFORM DIAGNOSIS PROCEDURE
Note:
Since this DTC is difficult to be confirmed, perform diagnosis procedure to judge the normality.

>>
Refer to DTC Diagnosis Procedure.

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 >>
GO TO 3.
NO >>
Repair or replace the error-detected parts.

CHECK ACTIVE GRILLE SHUTTER POWER SUPPLY

Disconnect active grille shutter harness connector.

Check the voltage between active grille shutter harness connector and ground as follows.

+		−	Condition	Voltage (Approx.)
Active grille shutter
Connector	Terminal
E53	1	Ground	Ignition switch: ON	Battery voltage
E53	1	Ground	Ignition switch: OFF	0 V

Is the inspection result normal?

YES >>

GO TO 5.

NO >>

GO TO 4.

CHECK ACTIVE GRILLE SHUTTER POWER SUPPLY CIRCUIT

Turn ignition switch OFF
Disconnect IPDM E/R harness connector.

Check the continuity between active grille shutter harness connector and IPDM E/R harness connector.

Active grille shutter		IPDM E/R		Continuity
Connector	Terminal	Connector	Terminal	Continuity
E53	1	F96	75	Existed

Is the inspection result normal?

YES >>

Perform trouble diagnosis for power supply circuit.

NO >>

Repair or replace the error-detected parts.

CHECK ACTIVE GRILLE SHUTTER GROUND CIRCUIT

Turn ignition switch OFF

Check the continuity between active grille shutter harness connector and ground.

Active grille shutter		−	Continuity
Connector	Terminal	−	Continuity
E53	4	Ground	Existed

Also check harness for short to ground and short to power.

Is the inspection result normal?

YES >>

GO TO 6.

NO >>

Repair open circuit, short to ground or short to power in harness or connectors.

CHECK ACTIVE GRILLE SHUTTER INPUT SIGNAL CIRCUIT

Disconnect ECM harness connector.
Check the continuity between ECM harness connector and active grille shutter harness connector.

ECM		Active grille shutter		Continuity
Connector	Terminal	Connector	Terminal	Continuity
F25	98	E53	3	Existed

Is the inspection result normal?

YES >>

GO TO 7.

NO >>

Repair or replace the error-detected parts.

CHECK ACTIVE GRILLE SHUTTER

Check active grille shutter. Refer to Component Inspection.

Is the inspection result normal?
YES >>
INSPECTION END
NO >>
Replace active grille shutter.

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