Engine-Codes - Nissan - P1122 2002 NISSAN ALTIMA SEDAN

P1122 2002 NISSAN ALTIMA SEDAN Code - Electric Throttle Control Performance Problem

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

|P1122 2002 NISSAN ALTIMA SEDAN code possible causes

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

|How is the P1122 2002 NISSAN ALTIMA SEDAN 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.

|P1122 2002 NISSAN ALTIMA SEDAN code tech notes

Start by performing the "Idle Air Volume Learning Procedure", if the problem persists the Electric Throttle Control Actuator may need to be replaced.

There is a factory service bulletin for the 2002 Nissan Altima:
2002 Nissan Altima Factory Service Bulletin OBDII Code P1122

|What is the cost to diagnose the P1122 2002 NISSAN ALTIMA SEDAN code

Labor: 1.0

The cost to diagnose the P1122 2002 NISSAN ALTIMA SEDAN code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

|When is the P1122 2002 NISSAN ALTIMA SEDAN code detected?

Electric throttle control function does not operate properly.

|What are P1122 2002 NISSAN ALTIMA SEDAN code possible symptoms?

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

|What is P1122 2002 NISSAN ALTIMA SEDAN code meaning?

Electric Throttle Control Actuator consists of throttle control motor, Throttle Position Sensor (TPS), etc. The throttle control motor is operated by the Engine Control Module (ECM) and it opens and closes the throttle valve.
The throttle position sensor detects the throttle valve position, and the opening and closing speed of the throttle valve and feeds the voltage signals to the ECM. The ECM judges the current opening angle of the throttle valve from these signals and the ECM controls the throttle control motor to make the throttle valve opening angle properly in response to driving condition.

|Need more information with the P1122 2002 NISSAN ALTIMA SEDAN code?

Need more information on how to fix the P1122 2002 NISSAN ALTIMA SEDAN code?
Get Access to Factory Service Manuals

|Need help with a P1122 2002 NISSAN ALTIMA SEDAN code?

Get the P1122 2002 Nissan Altima Sedan code diagnosed by a professional: Find a repair shop in your area