Engine-Codes - Infiniti - P1128 2005 INFINITI G35

P1128 2005 INFINITI G35 - Throttle Control Motor Circuit Short

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

P1128 2005 INFINITI G35 Possible Causes

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

How is the P1128 2005 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.

What is the cost to diagnose the P1128 2005 INFINITI G35 code

Labor: 1.0

The cost to diagnose the P1128 2005 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 short both circuits between ECM and throttle control motor.

Possible Symptoms

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

P1128 2005 INFINITI G35 Meaning

The throttle control motor is operated by the Engine Control Module (ECM) and it opens and closes the throttle valve.
The current opening angle of the throttle valve is detected by the throttle position sensor and it provides feedback to the ECM to control the throttle control motor to make the throttle valve opening angle properly in response to driving condition.

More Information

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