Engine-Codes.com
Engine-Codes – Infiniti – P1650 Infiniti

P1650 Infiniti Code - Starter Motor Relay 2

Quick Answer

The P1650 code in Infiniti vehicles refers to an issue with the Starter Motor Relay 2. Common causes include Faulty Starter Motor Relay 2, Corrosion or loose connections in the relay circuit, Wiring issues or shorts in the electrical system. 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
P1650 Infiniti indicates Starter Motor Relay 2.
Common causes
Common causes include Faulty Starter Motor Relay 2, Corrosion or loose connections in the relay circuit, Wiring issues or shorts in the electrical system.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 10, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code P1650 Infiniti Description

The P1650 code in Infiniti vehicles refers to an issue with the Starter Motor Relay 2. This code indicates that there is a malfunction in the relay responsible for activating the starter motor in the vehicle. The starter motor is a vital component that initiates the engine's cranking process, allowing the vehicle to start and run smoothly. When the Starter Motor Relay 2 fails to function correctly, it can lead to starting problems and potentially leave the vehicle stranded.

OBDII Code P1650 Infiniti - Starter Motor Relay 2
P1650 Infiniti Code - Starter Motor Relay 2

Common Causes of P1650 Infiniti

  1. Faulty Starter Motor Relay 2
  2. Corrosion or loose connections in the relay circuit
  3. Wiring issues or shorts in the electrical system
  4. Failed starter motor

Symptoms of P1650 Infiniti

  1. Difficulty starting the engine
  2. Extended cranking times before the engine starts
  3. Intermittent starting issues
  4. Complete failure to start the vehicle

How to Fix P1650 Infiniti

  1. Diagnose the issue by using a diagnostic scanner to retrieve the trouble code and test the Starter Motor Relay 2 for proper functionality.
  2. Inspect the relay circuit for any corrosion, loose connections, or damaged wiring. Repair or replace any faulty components.
  3. Test the starter motor to ensure it is functioning correctly. Replace the starter motor if necessary.
  4. Clear the trouble code from the vehicle's computer and test the vehicle to verify that the issue has been resolved.

Cost to Fix P1650 Infiniti

The typical repair costs for addressing the P1650 code related to the Starter Motor Relay 2 in an Infiniti vehicle can range from $150 to $500, depending on the specific cause of the issue and the cost of parts and labor. It is essential to consider that diagnosis time and labor rates at auto repair shops can vary significantly based on factors such as location, vehicle make and model, and engine type. It is advisable to check with local auto repair shops to obtain a more precise estimate for the repair.

What does this mean?

Tech Notes for P1650 Infiniti

The Starter Motor Relay is part of the Intelligent Power Distribution Module (IPDM) Engine Room (E/R) and is not serviceable.

Need more information about the P1650 Infiniti code?

Need more information on how to fix the P1650 Infiniti code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1650 Infiniti code diagnosed by a professional: Find a repair shop in your area

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 P1650 Infiniti Code

1. What are the common symptoms of OBDII code P1650 in an Infiniti related to Starter Motor Relay 2?

The common symptoms include difficulty starting the vehicle, intermittent starting issues, or the starter not engaging at all.

2. What causes the OBDII code P1650 related to Starter Motor Relay 2 in an Infiniti?

This code is typically triggered by a malfunction in the Starter Motor Relay 2 circuit, such as a faulty relay, wiring issues, or a defective starter motor.

3. How can I diagnose the OBDII code P1650 in my Infiniti related to Starter Motor Relay 2?

Diagnosis involves checking the Starter Motor Relay 2 for proper functioning, inspecting the related wiring for damage, and testing the starter motor to ensure it is operating correctly.

4. Can a DIY enthusiast repair OBDII code P1650 related to Starter Motor Relay 2 in an Infiniti?

DIY repairs are possible if you have the necessary tools and knowledge. Replacing the faulty Starter Motor Relay 2, repairing damaged wiring, or replacing the starter motor are common repair tasks.

5. Is it safe to continue driving my Infiniti with the OBDII code P1650 related to Starter Motor Relay 2?

It is not recommended to drive the vehicle with this code present, as it can lead to potential starting issues and leave you stranded. It is best to address the problem promptly.

6. How much does it typically cost to repair OBDII code P1650 related to Starter Motor Relay 2 in an Infiniti?

The cost can vary depending on the exact cause of the issue and whether you choose to do the repairs yourself or take it to a professional. Costs may range from a few hundred dollars to over a thousand.

7. Are there any preventive measures to avoid triggering the OBDII code P1650 in an Infiniti related to Starter Motor Relay 2?

Regularly inspecting the starter motor relay, maintaining the electrical system, and addressing any starting issues promptly can help prevent this code from appearing.

8. Can a bad battery cause the OBDII code P1650 related to Starter Motor Relay 2 in an Infiniti?

Yes, a weak or failing battery can sometimes trigger this code due to insufficient power reaching the starter motor relay. It's important to ensure the battery is in good condition.

9. How long does it typically take to repair OBDII code P1650 related to Starter Motor Relay 2 in an Infiniti?

The repair time can vary based on the exact cause of the issue and your level of expertise. It can take anywhere from an hour to several hours to complete the repair.

10. Will resetting the OBDII system clear the P1650 code related to Starter Motor Relay 2 in an Infiniti?

While clearing the code may temporarily turn off the check engine light, it will not fix the underlying issue causing the code. It's crucial to diagnose and repair the problem to prevent it from recurring.

Discuss the causes and fixes for P1650 Infiniti OBDII Code

Submit a New Comment

Code P1650 Infiniti comments

No comments found for this page.