AutoCodesNissan – P1111 2002 Nissan Sentra

P1111 2002 Nissan Sentra Code - Intake Valve Timing Control Solenoid Valve Circuit Bank 1

Quick Answer

The intake valve timing control solenoid valve is activated by ON/OFF pulse duty (ratio) signals from the Engine Control Module (ECM). Common causes include Faulty Intake Valve Timing Control Solenoid Valve Bank 1, Intake Valve Timing Control Solenoid Valve Bank 1 harness is open or shorted, Intake Valve Timing Control Solenoid Valve Bank 1 circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P1111 2002 Nissan Sentra indicates Intake Valve Timing Control Solenoid Valve Circuit Bank 1.
Common causes
Common causes include Faulty Intake Valve Timing Control Solenoid Valve Bank 1, Intake Valve Timing Control Solenoid Valve Bank 1 harness is open or shorted, Intake Valve Timing Control Solenoid Valve Bank 1 circuit poor electrical connection.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code Popularity 12,210
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Sep 29, 2020
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Code P1111 2002 Nissan Sentra Description

The intake valve timing control solenoid valve is activated by ON/OFF pulse duty (ratio) signals from the Engine Control Module (ECM). The intake valve timing control solenoid valve changes the oil amount and direction of flow through the intake valve timing control unit or stops oil flow.
The longer pulse width advances the valve angle. The shorter pulse width retards the 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.
The Diagnostic Trouble Code (DTC) when an improper voltage is sent to the ECM through the intake valve timing control solenoid valve.
OBDII Code P1111 2002 Nissan Sentra - Intake Valve Timing Control Solenoid Valve Circuit Bank 1 - AutoCodes.com
P1111 2002 Nissan Sentra Code - Intake Valve Timing Control Solenoid Valve Circuit Bank 1

What are the Possible Causes of the DTC P1111 2002 Nissan Sentra?

  • Faulty Intake Valve Timing Control Solenoid Valve Bank 1
  • Intake Valve Timing Control Solenoid Valve Bank 1 harness is open or shorted
  • Intake Valve Timing Control Solenoid Valve Bank 1 circuit poor electrical connection

How to Fix the DTC P1111 2002 Nissan Sentra?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1111 2002 Nissan Sentra code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P1111 2002 Nissan Sentra Code

1. What does OBDII code P1111 on a 2002 Nissan Sentra mean?

- This code indicates an issue with the Intake Valve Timing Control Solenoid Valve Circuit Bank 1.

2. What are common symptoms of a P1111 code on a 2002 Nissan Sentra?

- Common symptoms include poor engine performance, rough idling, and decreased fuel efficiency.

3. What are possible causes of a P1111 code on a 2002 Nissan Sentra?

- Causes can include a faulty intake valve timing control solenoid, wiring issues, or a malfunctioning PCM.

4. How can I diagnose the P1111 code on my 2002 Nissan Sentra?

- Diagnosing the code may involve checking the intake valve timing control solenoid for proper operation, inspecting wiring for damage, and using a scan tool to analyze data.

5. Can I continue driving my 2002 Nissan Sentra with a P1111 code?

- It is not recommended to drive with a P1111 code as it can lead to further engine damage and reduced performance.

6. How do I repair a P1111 code on a 2002 Nissan Sentra?

- Repair typically involves replacing the faulty intake valve timing control solenoid, repairing any damaged wiring, and clearing the trouble codes.

7. Is it possible to reset the P1111 code on a 2002 Nissan Sentra without fixing the issue?

- While you can reset the code temporarily, it is important to address the underlying problem to prevent further issues.

8. Can a DIY enthusiast fix a P1111 code on a 2002 Nissan Sentra?

- Depending on your mechanical skills, you may be able to replace the intake valve timing control solenoid yourself, but diagnosing and repairing wiring issues may require professional expertise.

9. How much does it cost to repair a P1111 code on a 2002 Nissan Sentra at a mechanic?

- The cost can vary depending on the exact cause of the issue, but expect to pay between $200 to $500 for parts and labor.

10. How long does it take to repair a P1111 code on a 2002 Nissan Sentra?

- The repair time can range from 1 to 3 hours, depending on the complexity of the issue and the experience of the mechanic.

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