AutoCodes – Infiniti – P1124 2004 Infiniti G35

P1124 2004 Infiniti G35 Code - Throttle Control Motor Relay Circuit Short

Quick Answer

Power supply for the throttle control motor is provided to the Engine Control Module (ECM) via throttle control motor relay. Common causes include Faulty Throttle Control Motor relay, Throttle Control Motor relay harness is open or shorted, Throttle Control Motor relay 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: P1124 2004 Infiniti G35 indicates Throttle Control Motor Relay Circuit Short.
Common causes: Common causes include Faulty Throttle Control Motor relay, Throttle Control Motor relay harness is open or shorted, Throttle Control Motor relay 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 6,786

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Apr 26, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1124 2004 Infiniti G35 Description

Power supply for the throttle control motor is provided to the Engine Control Module (ECM) via throttle control motor relay. The throttle control motor relay is ON/OFF controlled by the ECM. When the ignition switch is turned ON, the ECM sends an ON signal to throttle control motor relay and battery voltage is provided to the ECM. When the ignition switch is turned OFF, the ECM sends an OFF signal to throttle control motor relay and battery voltage is not provided to the ECM.

OBDII Code P1124 2004 Infiniti G35 - Throttle Control Motor Relay Circuit Short - AutoCodes.com — P1124 2004 Infiniti G35 Code - Throttle Control Motor Relay Circuit Short

What does this mean?

What are the Possible Causes of the DTC P1124 2004 Infiniti G35?

Faulty Throttle Control Motor relay
Throttle Control Motor relay harness is open or shorted
Throttle Control Motor relay circuit poor electrical connection

How to Fix the DTC P1124 2004 Infiniti G35?

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.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1124 2004 Infiniti G35 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 P1124 2004 Infiniti G35 Code

1. What does the OBDII code P1124 mean for a 2004 Infiniti G35?

P1124 indicates a problem in the throttle control motor relay circuit, specifically a short circuit, which affects the electronic throttle control system.

2. What are common symptoms of code P1124 in a 2004 Infiniti G35?

Symptoms include reduced engine performance, poor throttle response, the Check Engine Light turning on, and in some cases, the engine may enter "limp mode."

3. What causes the P1124 code to appear on a 2004 Infiniti G35?

Common causes include a faulty throttle control motor relay, damaged wiring, corroded electrical connections, or a malfunctioning throttle body.

4. Can I drive my 2004 Infiniti G35 with the P1124 code?

Driving with this code is not recommended as it may lead to poor performance, reduced fuel efficiency, and potential damage to the throttle control system.

5. How do I diagnose the P1124 code in a 2004 Infiniti G35?

Diagnosis involves inspecting the throttle control motor relay, checking for damaged or shorted wiring, testing the relay circuit, and scanning for additional codes.

6. How do I fix the P1124 code on my 2004 Infiniti G35?

Repairs may include replacing the throttle control motor relay, repairing damaged wiring, cleaning corroded connections, or replacing the throttle body if necessary.

7. Where is the throttle control motor relay located in a 2004 Infiniti G35?

The throttle control motor relay is typically located in the engine's relay box, which is usually under the hood near the battery or firewall.

8. How much does it cost to repair the P1124 code on a 2004 Infiniti G35?

Repair costs vary, but replacing a throttle control motor relay typically costs between $50 and $150, excluding labor. Wiring repairs or throttle body replacement can increase the cost.

9. Can a dead battery cause the P1124 code in a 2004 Infiniti G35?

While unlikely, a weak or dead battery can lead to electrical issues, potentially triggering false codes. Ensure the battery is in good condition before troubleshooting.

10. Will clearing the P1124 code fix the problem in my 2004 Infiniti G35?

Clearing the code may turn off the Check Engine Light temporarily, but the underlying issue must be fixed to prevent the code from returning.