Nissan Altima 2007-2012 Service Manual: Throttle valve closed position learning

Description

Throttle Valve Closed Position Learning is a function of ECM to learn the fully closed position of the throttle valve by monitoring the throttle position sensor output signal. It must be performed each time harness connector of electric throttle control actuator or ECM is disconnected.

Special Repair Requirement

1.START

1. Make sure that accelerator pedal is fully released.

2. Turn ignition switch ON.

3. Turn ignition switch OFF and wait at least 10 seconds.

Make sure that throttle valve moves during above 10 seconds by confirming the operating sound.

>> END

    Accelerator pedal released position learning
    Description Accelerator Pedal Released Position Learning is a function of ECM to learn the fully released position of the accelerator pedal by monitoring the accelerator pedal position sensor outp ...

    Idle air volume learning
    Description Idle Air Volume Learning is a function of ECM to learn the idle air volume that keeps each engine idle speed within the specific range. It must be performed under any of the following ...

    Other materials:

    Removal and installation
    TRANSAXLE ASSEMBLY Exploded View 1. Air breather hose 2. CVT fluid level gauge 3. CVT fluid charging pipe 4. O-ring 5. Copper washer 6. Fluid cooler tube 7. Fluid cooler tube 8. CVT assembly A. Refer to TM-447, "Removal and Installation". Removal and Installation REMOVAL 1. ...

    Rear window defogger and door mirror defogger do not operate
    Diagnosis Procedure 1. CHECK REAR WINDOW DEFOGGER SWITCH Check rear window defogger switch. Refer to DEF-13, "Component Function Check". Is the inspection result normal? YES >> GO TO 2 NO >> Repair or replace the malfunctioning parts. 2. CHECK REAR WINDOW DEFOGGER R ...

    Compressor
    Removal and Installation for Compressor - QR25DE Models REMOVAL 1. Discharge the refrigerant. Refer to HA-24, "HFC-134a (R-134a) Service Procedure". 2. Remove the drive belt. Refer to EM-16, "Removal and Installation". 3. Remove the engine undercover. 4. Remove th ...