Nissan Sentra 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 the harness connector of the electric throttle control actuator or ECM is disconnected or electric throttle control actuator inside is cleaned.
Work Procedure
1.START
With CONSULT
- Turn ignition switch ON.
- Select “CLSD THL POS LEARN” in “WORK SUPPORT” mode of “ENGINE” using CONSULT.
- Follow the instructions on the CONSULT display
- Turn ignition switch OFF and wait at least 10 seconds.
Check that throttle valve moves during the above 10 seconds by confirming the operating sound.
Without CONSULT
- Start the engine.
NOTE:
Engine coolant temperature is 25В°C (77В°F) or less before engine starts.
- Warm up the engine.
NOTE:
Raise engine coolant temperature until it reaches 65В°C (149В°F) or more.
- Turn ignition switch OFF and wait at least 10 seconds.
Check that throttle valve moves during the 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:
Steering wheel switch for audio control (if so equipped)
Tuning switch
Power on and SOURCE select switch
Volume control button
The audio system can be operated using the
controls on the steering wheel.
POWER on switch
With the ignition switch in the ACC or ON position,
push the SOURCE switch to turn the audio
system on.
SOURCE select s ...
Anti-lock Braking System (ABS)
WARNING
The Anti-lock Braking System (ABS) is a
sophisticated device, but it cannot prevent
accidents resulting from careless
or dangerous driving techniques. It can
help maintain vehicle control during
braking on slippery surfaces. Remember
that stopping distances ...
Air bags, seat belts and child restraints
Top tether anchor
Rear seat belts
Roof-mounted curtain side-impact
supplemental air bag
Head restraints/headrests
Front seat belts
Supplemental front-impact air bags
Front seats
Occupant classification sensor
Seat belt with pretensioner
Front seat-mounted side-impact
sup ...
