How do you adjust the idle on a 2003 Nissan Altima?

How do you adjust the idle on a 2003 Nissan Altima?

How to Adjust the Idle on a 2003 Altima

  1. Clear Self-Learn Settings: Disconnect the battery cables, first the negative (black), then the positive. Touch the cable ends together for ten seconds.
  2. Reset the Idle Air Volume Learn Function: Turn the key on (but do not start the engine) for one second and off for ten seconds.

How does the idle control system work on a Nissan Altima?

P0507 2003 NISSAN ALTIMA SEDAN Meaning The Engine Control Module ( ECM ) controls the engine idle speed to a specified level through the fine adjustment of the air, which is let into the intake manifold, by operating the electric throttle control actuator.

When to release the pedal on a Nissan Altima?

Release the pedal within three seconds after the light becomes solid. Start the engine and let it idle, wait 20 seconds, then rev the engine a few times and make sure the idle returns to normal idle speed.

Do you have to do a Relearn on a Nissan Altima?

Whenever you disconnect the battery or replace the computer or throttle body, you must perform a relearn procedure. The process involves some steps with a cold engine and others with a warmed-up engine.

How does the ECM work on a Nissan Altima?

P0507 2003 Nissan Altima Sedan Description. The optimum value stored in the ECM is determined by taking into consideration various engine conditions, such as during warming up, deceleration, and engine load (air conditioner, power steering and cooling fan operation, etc.)

Why is my Nissan Altima idle relearn not working?

The process involves some steps with a cold engine and others with a warmed-up engine. If this step-by-step procedure doesn’t restore a smooth idle, it usually indicates some other issue with the engine. Have the car scanned for trouble codes.

Release the pedal within three seconds after the light becomes solid. Start the engine and let it idle, wait 20 seconds, then rev the engine a few times and make sure the idle returns to normal idle speed.

Who is the best person to repair a Nissan Altima?

Mike Vasick has more than 25 yrs in the auto repair industry.He is factory-certified for repair on Nissan and Subaru vehicles. Vasick has also held management positions in both dealerships and chain stores with nationwide presence, and has spent several years working online helping DIY customers as well as shops repair vehicles.