Altima 2.5 SL L4-2.5L (QR25DE) (2002)
2.
Start the engine and hold the throttle part way open to maintain 1500-2000 RPM at "no-load" for 20 seconds.
IMPORTANT:
Follow step 3 (next step) exactly as described.
3.
Release the throttle SLOWLY OVER 5 SECONDS back to the closed-throttle position.
4.
Let the engine idle for one minute (even if the idle is rough or low).
5.
Make sure the engine coolant is above 70°C before proceeding.
6.
Make sure all electrical loads are turned OFF, including A/C, defroster, radio, lights, etc. while performing the following procedures. Also, make
sure the engine cooling fans are NOT operating during the following procedures.
Idle Air Volume Learning (IAVL)
7.
Connect CONSULT-II to the vehicle.
8.
In the [CONSULT WORK SUPPORT] mode, select [IDLE AIR VOL LEARN]. See Figure 1.
9.
Press [START] on the "IDLE AIR VOL LEARN" screen. See Figure 2.