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:
Tire information
Typical tire symbols
Full-size tire
Compact spare tire
Tire size
Summer tires or all season tires
An all season tire has "M+S" on the sidewall. A tire not marked "M+S"
is a summer tire.
TUBELESS or TUBE TYPE
A tubeless tire does not have a tube and air is directly put into the
...
C1729 Vehicle speed signal
DTC Logic
NOTE:
The Signal Tech II Tool (J-50190) can be used to perform the following
functions. Refer to the Signal Tech II
User Guide for additional information.
Activate and display TPMS transmitter IDs
Display tire pressure reported by the TPMS transmitter
Read TPMS DTCs
Registe ...
Battery
Check the battery as follows.
â– Battery exterior
Make sure that the battery terminals are not corroded and that
there are no loose connections, cracks, or loose clamps.
Terminals
Hold-down clamp
â– Before recharging
When recharging, the battery produces hydrogen gas which is flammab ...
