The Engine Control Module (ECM) receives signals such as crankshaft position, camshaft position, engine speed, and engine coolant temperature. Then, the ECM sends ON/OFF pulse duty signals to the exhaust valve timing control solenoid valve depending on driving status. This makes it possible to control the shut/open timing of the intake valve to increase engine torque in low/mid speed range and output in high-speed range.

The intake valve timing control solenoid valve changes the oil amount and direction of flow through intake valve timing control unit or stops oil flow. The longer pulse width advances valve angle. The shorter pulse width retards valve angle. When ON and OFF pulse widths become equal, the solenoid valve stops oil pressure flow to fix the intake valve angle at the control position." property="og:description">

For Shop Owners

P0014 NISSAN - Exhaust Valve Timing Control Performance Bank 1

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3 What does this mean?

Possible causes

  • Dirty Oil
  • Faulty Exhaust valve timing control solenoid valve
  • Exhaust valve timing control solenoid valve harness is open or shorted
  • Exhaust valve timing control solenoid valve circuit poor electrical connection
  • Faulty Crankshaft position sensor (POS)
  • Faulty Camshaft position sensor
What does this mean?

Tech notes

Since the exhaust valve timing control solenoid valve uses oil flow to control timing, dirty oil can cause the valve to stuck open or close. Before replacing the valve, change engine oil and filter and reset engine code.

There is a factory service bulletin for the following Nissan Models:

2009 Nissan Maxima
2010 Nissan Maxima
2011 Nissan Maxima
2012 Nissan Maxima

What does this mean?

When is the code detected?

When there is a gap between angle of target and phase-control angle degree, the valve will stop working and the ECM will trigger the P0014 code.

Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)
  • Possible engine lack/loss of power
  • Posssible engine rough idle

P0014 NISSAN Description

This mechanism hydraulically controls cam phases continuously with the fixed operating angle of the exhaust valve.

The Engine Control Module (ECM) receives signals such as crankshaft position, camshaft position, engine speed, and engine coolant temperature. Then, the ECM sends ON/OFF pulse duty signals to the exhaust valve timing control solenoid valve depending on driving status. This makes it possible to control the shut/open timing of the intake valve to increase engine torque in low/mid speed range and output in high-speed range.

The intake valve timing control solenoid valve changes the oil amount and direction of flow through intake valve timing control unit or stops oil flow. The longer pulse width advances valve angle. The shorter pulse width retards valve angle. When ON and OFF pulse widths become equal, the solenoid valve stops oil pressure flow to fix the intake valve angle at the control position.

OBDII Code P0014 Nissan - Exhaust Valve Timing Control Performance Bank 1 - itimaster.ru

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P0014 NISSAN Comments

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Any information is appreciated. Thanks
Repair Importance Level: 3
1=Low 2=Medium 3=High
Repair Difficulty Level: 3
1=Easy 2=Moderate 3=Hard

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