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P0445 2004 Infiniti G35 Code - EVAP Canister Purge Volume Control Solenoid Valve Circuit Shorted

Quick Answer

The P0445 code for a 2004 Infiniti G35 indicates a problem with the EVAP (Evaporative Emission Control System) Canister Purge Volume Control Solenoid Valve Circuit being shorted. Common causes include Faulty EVAP Canister Purge Volume Control Solenoid Valve, Short circuit in the wiring harness, Corrosion or damage to electrical connectors. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

What it means
P0445 2004 Infiniti G35 indicates EVAP Canister Purge Volume Control Solenoid Valve Circuit Shorted.
Common causes
Common causes include Faulty EVAP Canister Purge Volume Control Solenoid Valve, Short circuit in the wiring harness, Corrosion or damage to electrical connectors.
Severity
Low - monitor the vehicle and repair when practical.
Can I drive?
The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
What is this?
Table of contents Created and updated by William Orellana on Sep 07, 2024
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Code P0445 2004 Infiniti G35 Description

The P0445 code for a 2004 Infiniti G35 indicates a problem with the EVAP (Evaporative Emission Control System) Canister Purge Volume Control Solenoid Valve Circuit being shorted. The EVAP system is designed to prevent fuel vapors from escaping into the atmosphere. The Canister Purge Volume Control Solenoid Valve is responsible for controlling the flow of fuel vapors from the charcoal canister to the engine's intake manifold.

OBDII Code P0445 2004 Infiniti G35 - EVAP Canister Purge Volume Control Solenoid Valve Circuit Shorted
P0445 2004 Infiniti G35 Code - EVAP Canister Purge Volume Control Solenoid Valve Circuit Shorted

Common Causes of P0445 2004 Infiniti G35

  1. Faulty EVAP Canister Purge Volume Control Solenoid Valve
  2. Short circuit in the wiring harness
  3. Corrosion or damage to electrical connectors
  4. ECM software issue
  5. Vehicle accidents or physical damage to the EVAP system

Symptoms of P0445 2004 Infiniti G35

  1. Check Engine Light illuminated
  2. Rough idling or stalling
  3. Decreased fuel efficiency
  4. Strong fuel odor
  5. Failed emissions test

How to Fix P0445 2004 Infiniti G35

  1. Diagnose the root cause of the short circuit using a multimeter to test the solenoid valve and wiring harness.
  2. Inspect and replace any damaged wiring or connectors in the EVAP system.
  3. Replace the EVAP Canister Purge Volume Control Solenoid Valve if it is found to be faulty.
  4. Clear the error code using an OBD-II scanner and test drive the vehicle to ensure the issue has been resolved.
  5. Perform an EVAP system smoke test to verify that there are no leaks in the system.

Cost to Fix P0445 2004 Infiniti G35

The typical repair costs for resolving a P0445 code on a 2004 Infiniti G35 can vary depending on the location, labor rates, and the specific cause of the issue. On average, the cost of replacing an EVAP Canister Purge Volume Control Solenoid Valve can range from $150 to $300, including parts and labor. Additional costs may apply if there are other damaged components in the EVAP system that need to be addressed. It's recommended to consult with a certified mechanic or auto repair shop to get an accurate estimate based on your specific situation.

What does this mean?

Tech Notes for P0445 2004 Infiniti G35

It's a very common problem with Infiniti vehicles. If the harness is not damage it's very likely that the problem is the canister purge volume control solenoid valve.

When is the Code Detected?

An excessively high voltage signal is sent to Engine Control Module (ECM) through the valve

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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 P0445 2004 Infiniti G35 Code

1. What are common symptoms of OBDII code P0445 in a 2004 Infiniti G35?

The common symptoms of code P0445 may include a check engine light illuminated on the dashboard, rough idling, decreased fuel efficiency, and difficulties starting the vehicle.

2. What does the OBDII code P0445 indicate in a 2004 Infiniti G35?

Code P0445 in a 2004 Infiniti G35 indicates a malfunction in the EVAP Canister Purge Volume Control Solenoid Valve Circuit, specifically a shorted circuit.

3. What are the possible causes of OBDII code P0445 in a 2004 Infiniti G35?

Possible causes of code P0445 include a faulty purge volume control solenoid valve, a short circuit in the wiring, damaged connectors, or a malfunctioning ECM (Engine Control Module).

4. How can I diagnose the EVAP Canister Purge Volume Control Solenoid Valve Circuit in a 2004 Infiniti G35?

To diagnose the issue, you can use an OBDII scanner to retrieve the trouble code, visually inspect the wiring and connectors for any damage, test the purge volume control solenoid valve, and check for any leaks in the EVAP system.

5. What are some repair tips for fixing OBDII code P0445 in a 2004 Infiniti G35?

Repair tips may include replacing the faulty purge volume control solenoid valve, repairing or replacing damaged wiring or connectors, clearing the trouble code with a scanner, and performing a smoke test to check for leaks in the EVAP system.

6. Can I continue driving my 2004 Infiniti G35 with OBDII code P0445?

It is not recommended to continue driving with code P0445 illuminated, as it can affect the vehicle's performance and emissions. It is best to address the issue promptly to prevent further damage.

7. How much does it typically cost to repair OBDII code P0445 in a 2004 Infiniti G35?

The cost of repairing code P0445 can vary depending on the exact cause of the issue, but it may range from $100 to $300 for parts and labor.

8. Is OBDII code P0445 a common issue in 2004 Infiniti G35 vehicles?

Yes, code P0445 related to the EVAP system is a relatively common issue in many vehicles, including the 2004 Infiniti G35, and may occur due to various factors like normal wear and tear.

9. How long does it take to repair OBDII code P0445 in a 2004 Infiniti G35?

The repair time for code P0445 can vary depending on the extent of the issue and the availability of parts, but it typically takes 1-2 hours for a professional mechanic to diagnose and fix the problem.

10. Can I reset the OBDII code P0445 in my 2004 Infiniti G35 without fixing the underlying issue?

While you can clear the trouble code temporarily with an OBDII scanner, it is not recommended to do so without addressing the root cause, as the issue may persist and trigger the code again.

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