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:
Dtc/circuit diagnosis
Power supply and ground circuit
Audio unit
AUDIO UNIT : Diagnosis Procedure
Regarding wiring diagram information, refer to av-88, "wiring diagram".
1.Check fuse
Check that the following fuses are not blown.
Are the fuses blown?
Yes >> replace the blown fuse after repairing ...
General maintenance
Explanation of general maintenance
General maintenance includes those items which should be checked during the
normal day-to-day operation
of the vehicle. They are essential if the vehicle is to continue operating
properly. The owners can perform
checks and inspections themselves or have thei ...
Anti-pinch inspection
Description
If any of the following operations are performed, the initialization is
necessary for normal operation of antipinch
function.
Disconnection and connection of battery cable from negative terminal.
When power window main switch replaced.
Electric power supply to power window ma ...
