Nissan Sentra Service Manual: Mixture ratio self-learning value clear
Description
This describes how to erase the mixture ratio self-learning value. For the actual procedure, follow the instructions in “Diagnosis Procedure”.
Work Procedure
1.START
With CONSULT
- Start engine and warm it up to normal operating temperature.
- Select “SELF-LEARNING CONT” in “WORK SUPPORT” mode of “ENGINE” using CONSULT.
- Clear mixture ratio self-learning value by touching “CLEAR”.
With GST
- Start engine and warm it up to normal operating temperature.
- Turn ignition switch OFF.
- Disconnect mass air flow sensor harness connector.
- Restart engine and let it idle for at least 5 seconds.
- Stop engine and reconnect mass air flow sensor harness connector.
- Select Service $03 with GST. Make sure DTC P0102 is detected.
- Select Service $04 with GST to erase the DTC P0102.
>> END
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 ...
Fuel pressure
Work Procedure
FUEL PRESSURE RELEASE
1.FUEL PRESSURE RELEASE
With CONSULT
Turn ignition switch ON.
Perform “FUEL PRESSURE RELEASE” in “WORK SUPPORT” mode of “ENGINEР...
Other materials:
Push-Button Ignition Switch (if so equipped)
WARNINGDo not operate the push-button ignition
switch while driving the vehicle except in
an emergency. (The engine will stop when
the ignition switch is pushed 3 consecutive
times in quick succession or the ignition
switch is pushed and held for more
than 2 seconds.) If ...
Windshield wiper and washer switch
Switch operation
Type A
Type B
The windshield wiper and washer operates when
the ignition switch is placed in the ON position.
Push the lever down to operate the wiper at the
following speed:
Intermittent (INT) — intermittent operation
can be adjusted by turning the knob A .
Lo ...
Bcm branch line circuit
Diagnosis procedure
1.Check connector
Turn the ignition switch off.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the BCM for damage, bend and loose
connection (unit side and
connector side).
Is the inspection result normal?
YES > ...
