Engine-Codes - Infiniti - P1126 2003 INFINITI G35

P1126 2003 INFINITI G35 - Throttle Control Motor Relay Circuit Open

Repair Importance Level: 3/3
Repair Difficulty Level: 2/3  What is this?
Table of contents

P1126 2003 INFINITI G35 Possible Causes

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

How is the P1126 2003 INFINITI G35 code repair?

Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

Tech Notes

For 2000-2001 Infiniti models see: P1126 Infiniti

What is the cost to diagnose the P1126 2003 INFINITI G35 code

Labor: 1.0

The cost to diagnose the P1126 2003 INFINITI G35 code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.

When is the code detected?

Engine Control Module (ECM) detects a voltage of power source for throttle control motor is excessively low.

Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P1126 2003 INFINITI G35 Meaning

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.

More Information

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