Nissan Rogue (T33) 2021-Present Service Manual: P0014 Evt Control

DTC Description

DTC DETECTION LOGIC

POSSIBLE CAUSE

• Crankshaft position sensor

• Exhaust camshaft position sensor

• Exhaust valve timing control solenoid valve

• Accumulation of debris to the signal plate of the camshaft

• Timing chain installation

• Foreign matter caught in the oil groove for exhaust valve timing control

FAIL-SAFE

Engine Control System

Stop/Start System

When a DTC is detected, the stop/start indicator lamp blinks slowly and the stop/start system operation is prohibited.

When ECM detects error while operating the stop/start system, ECM restarts the engine.

DTC Confirmation Procedure

CHECK DTC PRIORITY

If DTC P0014 is displayed with DTC P0078, first perform the trouble diagnosis for DTC P0078.

Is applicable DTC detected?

Perform diagnosis of applicable. Refer to DTC Index.

GO TO 2.

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 between 10 V and 16 V at idle.

GO TO 3.

PERFORM DTC CONFIRMATION PROCEDURE-1

With CONSULT

1. Turn ignition switch ON and select “DATA MONITOR” mode of “ENGINE” using CONSULT.

2. Start engine and warm it up to the normal operating temperature.

3. Maintain the following conditions for at least 6 consecutive seconds. Hold the accelerator pedal as steady as possible.

   ENG SPEED	1,200 - 2,000 rpm (A constant rotation is maintained.)
   COOLANT TEMP/S	More than 60°C (140°F)
   Selector lever	P or N position

4. Let engine idle for 10 seconds.

5. Check 1st trip DTC.

With GST

Follow the procedure “With CONSULT” above.

Is 1st trip DTC detected?

Proceed to DTC Diagnosis Procedure.

GO TO 4.

PERFORM DTC CONFIRMATION PROCEDURE-2

With CONSULT

1. Select “DATA MONITOR” mode of “ENGINE” using CONSULT.

2. Maintain the following conditions for at least 20 consecutive seconds.

   ENG SPEED	1,700 - 2,950 rpm (A constant rotation is maintained.)
   COOLANT TEMP/S	More than 70°C (158°F)
   Selector lever	D position
   Driving location uphill	Driving Nissan Ariya vehicle uphill (Increased engine load will help maintain the driving conditions required for this test.)

   CAUTION:

   Always drive at a safe speed.

3. Check 1st trip DTC.

With GST

Follow the procedure “With CONSULT” above.

Is 1st trip DTC detected?

Proceed to DTC Diagnosis Procedure.

To check malfunction symptom before repair: Refer to Intermittent Incident.

Confirmation after repair: INSPECTION END

DTC Diagnosis Procedure

CHECK DTC PRIORITY

If DTC P0014 is displayed with DTC P0078, first perform the trouble diagnosis for DTC P0078.

Is applicable DTC detected?

Perform diagnosis of applicable. Refer to DTC Index.

GO TO 2.

CHECK OIL PRESSURE WARNING LAMP

1. Start engine.

2. Check oil pressure warning lamp and confirm it is not illuminated.

   

Is oil pressure warning lamp illuminated?

Check the engine oil level. Refer to Inspection.

GO TO 3.

CHECK EXHAUST VALVE TIMING CONTROL SOLENOID VALVE

Check the exhaust valve timing control solenoid valve. Refer to Component Inspection.

Is the inspection result normal?

GO TO 4.

Replace exhaust valve timing control solenoid valve. Refer to Exploded View.

CHECK CRANKSHAFT POSITION SENSOR

Check the crankshaft position sensor. Refer to Component Inspection.

Is the inspection result normal?

GO TO 5.

Replace crankshaft position sensor. Refer to Exploded View.

CHECK EXHAUST CAMSHAFT POSITION SENSOR

Check the exhaust camshaft position sensor. Refer to Component Inspection.

Is the inspection result normal?

GO TO 6.

Replace exhaust camshaft position sensor. Refer to Exploded View.

CHECK CAMSHAFT (EXH)

Check the following.

• Accumulation of debris to the signal plate of camshaft rear end

  

• Chipping signal plate of camshaft rear end

Is the inspection result normal?

GO TO 7.

Remove debris and clean the signal plate of camshaft rear end or replace camshaft. Refer to Removal and Installation.

CHECK TIMING CHAIN INSTALLATION

Check service records for any recent repairs that may cause timing chain misaligned.

Are there any service records that may cause timing chain misaligned?

Check timing chain installation. Refer to Removal and Installation.

GO TO 8.

CHECK LUBRICATION CIRCUIT

Refer to Inspection.

Is the inspection result normal?

Check intermittent incident. Refer to Intermittent Incident.

Clean lubrication line.