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P1124 2003 Infiniti G35 Code - Throttle Control Motor Relay Circuit Short

Quick Answer

The P1124 code for a 2003 Infiniti G35 indicates a problem with the Throttle Control Motor Relay Circuit Short. Common causes include Faulty throttle control motor relay, Damaged wiring or connectors in the throttle control motor circuit, Short circuit in the throttle control motor relay circuit. 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
P1124 2003 Infiniti G35 indicates Throttle Control Motor Relay Circuit Short.
Common causes
Common causes include Faulty throttle control motor relay, Damaged wiring or connectors in the throttle control motor circuit, Short circuit in the throttle control motor relay circuit.
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
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Code P1124 2003 Infiniti G35 Description

The P1124 code for a 2003 Infiniti G35 indicates a problem with the Throttle Control Motor Relay Circuit Short. This code is related to the throttle control system, which plays a crucial role in regulating the amount of air entering the engine and controlling the vehicle's speed. The throttle control motor relay is responsible for sending electrical signals to the throttle control motor, which in turn adjusts the throttle opening based on input from the vehicle's computer.

OBDII Code P1124 2003 Infiniti G35 - Throttle Control Motor Relay Circuit Short
P1124 2003 Infiniti G35 Code - Throttle Control Motor Relay Circuit Short

Common Causes of P1124 2003 Infiniti G35

  1. Faulty throttle control motor relay
  2. Damaged wiring or connectors in the throttle control motor circuit
  3. Short circuit in the throttle control motor relay circuit
  4. Issues with the throttle control motor itself
  5. Electronic control module (ECM) malfunction

Symptoms of P1124 2003 Infiniti G35

  1. Engine hesitation or stalling
  2. Reduced engine power
  3. Rough idling or erratic idle speed
  4. Difficulty accelerating smoothly
  5. Illumination of the Check Engine Light

How to Fix P1124 2003 Infiniti G35

  1. Begin by conducting a thorough inspection of the throttle control motor relay circuit to identify any visible damage or loose connections.
  2. Test the throttle control motor relay using a multimeter to determine if it is functioning properly or needs replacement.
  3. Check the wiring and connectors in the circuit for any signs of wear or corrosion, repairing or replacing them as necessary.
  4. Inspect the throttle control motor for any physical damage or malfunction, replacing it if needed.
  5. Clear the diagnostic trouble codes from the vehicle's computer and test drive the vehicle to ensure that the issue has been resolved.

Cost to Fix P1124 2003 Infiniti G35

The cost of repairing a Throttle Control Motor Relay Circuit Short can vary depending on the extent of the damage and the specific components that need to be replaced. On average, the parts for this repair can range from $50 to $200, while the labor costs can be between $100 and $300. Including parts and labor, the total repair cost for this issue may fall between $150 and $500. It is recommended to consult with a professional mechanic for a more accurate estimate based on your vehicle's specific needs and location.

When is the Code Detected?

- ECM detect the throttle control motor relay is stuck ON.

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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 P1124 2003 Infiniti G35 Code

1. What does the OBDII code P1124 mean for a 2003 Infiniti G35?

P1124 indicates a problem with the Throttle Control Motor Relay Circuit, specifically a short in the circuit.

2. What are the common symptoms of the P1124 code in a 2003 Infiniti G35?

Symptoms may include reduced engine power, poor throttle response, the engine entering limp mode, or the check engine light turning on.

3. What causes the P1124 code to appear in a 2003 Infiniti G35?

Possible causes include a faulty throttle control motor relay, damaged wiring or connectors in the circuit, or a malfunctioning throttle control motor.

4. Can I drive my 2003 Infiniti G35 with the P1124 code?

It is not recommended to continue driving, as the vehicle may experience reduced performance or enter limp mode, potentially leading to unsafe driving conditions.

5. How do I diagnose the P1124 code in a 2003 Infiniti G35?

Start by inspecting the throttle control motor relay, wiring, and connectors for damage or corrosion. You can also use a multimeter to check for shorts or open circuits.

6. How do I fix the P1124 code in a 2003 Infiniti G35?

Repairs may involve replacing the faulty throttle control motor relay, repairing or replacing damaged wiring, or addressing issues with the throttle control motor.

7. Can a bad throttle control motor cause the P1124 code?

Yes, a malfunctioning throttle control motor can trigger the P1124 code if it affects the relay circuit's operation.

8. How much does it cost to fix the P1124 code on a 2003 Infiniti G35?

Repairs can cost between $100 and $400 depending on whether the issue is with the relay, wiring, or motor, and whether you perform the repairs yourself or hire a mechanic.

9. Will clearing the P1124 code fix the issue?

Clearing the code will turn off the check engine light temporarily, but the issue will return if the underlying problem is not resolved.

10. Can a failing ECU cause the P1124 code in a 2003 Infiniti G35?

While rare, a faulty engine control unit (ECU) could potentially cause the P1124 code if it fails to properly manage the throttle control motor relay circuit.

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