Nissan Sentra B18 (2020-2025) Service Manual / Engine / Work Procedure (After Replacing Electric Throttle Control Actuator) / Dtc/circuit Diagnosis / P0315 Ckp Sensor (pos)

Nissan Sentra B18 (2020-2025) Service Manual: P0315 Ckp Sensor (pos)

Dtc Description

DTC Description

DTC DETECTION LOGIC

DTC	CONSULT screen terms (Trouble diagnosis content)	DTC detection condition
P0315	Crankshaft position (Crankshaft Position System Variation Not Learned)	Diagnosis condition	Engine run and fuel shut off
		Signal	—
		Threshold	Learning value of signal plate variation is abnormal or not learned.
		Diagnosis delay time	—

POSSIBLE CAUSE

Signal plate
Crankshaft position sensor
Harness or connectors (Crankshaft position sensor circuit is open or shorted.)

FAIL-SAFE

Not applicable

Confirmation Procedure

Confirmation Procedure

CHECK DTC PRIORITY

If DTC P0315 is displayed with DTC P0335, first perform the trouble diagnosis for DTC P0335.

Is applicable DTC detected?
YES >>
Perform diagnosis of applicable. Refer to DTC Description.
NO >>
GO TO 2.
PERFORM DTC CONFIRMATION PROCEDURE
1. Start the engine and warm it up to normal operating temperature.
2. Drive Nissan Sentra vehicle at 80 km/h (50 MPH), with selecting suitable gear.
  Note:
  Always keep safe driving to the first priority.
3. Release accelerator pedal completely to decelerate the Nissan Sentra vehicle.
  Note:
  Always keep safe driving to the first priority.
4. Repeat the step 2 and 3 until the integrated deceleration time to be 30 seconds.
5. Check 1st trip DTC.
Is 1st trip DTC detected?
YES >>
Refer to DTC Diagnosis Procedure.
NO-1 >>
To check malfunction symptom before repair: Refer to Intermittent Incident.
NO-2 >>
Confirmation after repair: INSPECTION END

Dtc Diagnosis Procedure

DTC Diagnosis Procedure

CHECK DTC PRIORITY

If DTC P0315 is displayed with DTC P0335, first perform the trouble diagnosis for DTC P0335.

Is applicable DTC detected?
YES >>
Perform diagnosis of applicable. Refer to DTC Description.
NO >>
GO TO 2.
CHECK GEAR TOOTH

Visually check for chipping signal plate gear tooth.

Is the inspection result normal?
YES >>
INSPECTION END
NO >>
Replace the signal plate. Refer to Exploded View.

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