My grand1994 caprice will start up and then it

Hi.

Below the procedure to reset ECU,Throttle and to perform Accelerator Position Learning on Nissan. It works on Titan, Altima, Infinity, pathfinder and other models.

ECU Resetting

While performing the procedures below, ensue that you are respecting the times stated. If the steps are not done within the specified times, the module will not reset. You will need to use a watch or a chronograph while performing the procedures.

Procedure:

1. Ensure that the accelerator pedal is fully released, set ignition switch to the “ON” position, then wait 3 seconds.
2. Follow the steps a and b below, repeat the two steps in sequence quickly for five times within 5 seconds.
a. Push hard the accelerator pedal untill fully depressed.
b. Release the accelerator pedal in full.
3. Wait 7 seconds, then depress the accelerator pedal completely, and hold it for about 10 seconds until the CEL (check engine light) starts blinking.
4. Release the accelerator pedal while the CEL is still blinking.
5. Wait 10 second.
6. Depressthe accelerator pedal in full and hold it for 10 seconds or more.
7. Fully release the accelerator pedal while the CEL light keeps flashing.
8. Turn the ignition switch to “OFF” position and start the vehicle. If procedure has been done correctly, then the light light will turn off.
If the light continues to stay on, repeat the procedure.

Accelerator Pedal Release Position Learning

Procedure

1. Ensure that the accelerator pedal is completely released before starting the procedure.
2. Turn the ignition switch “ON” and wait at least 2 seconds.
3. Turn the ignition switch “OFF”, and wait at least 10 seconds.
4. Turn the ignition switch “ON” and wait 2 seconds.
5. Turn the ignition switch “OFF” and wait 10 seconds.

Throttle Valve Closed Position Learning

Procedure

1. Ensure that accelerator pedal is completely released.
2. Turn ignition switch to the “ON” position.
3. Turn ignition switch to the “OFF” position and wait at least 10 seconds.
Ensure that the throttle valve moves after turning the switch off.

Idle Air Volume Learning (Throttle Position Learning)

Procedure

1. Follow the Accelerator Pedal Released Position Learning described above.
2. Do the Throttle Valve Closed Position Learning also described above.
3. Start the engine, and allow warming up.
4. Turn the ignition on “OFF” positionand wait 10 seconds.
5. Ensure that accelerator pedal is fully released, then turn the ignition switch to “ON” position, and wait 3 seconds.
6. Repeat the steps a and b below five times within 5 seconds in sequence.
a. Push hard the accelerator pedal untill fully depressed.
b. Release the accelerator pedal until reaching full extension.
8. Wait 7 seconds or more, depress the accelerator pedal completely and hold the pedal down for about 20 seconds until you see that the Check Engine Light stops blinking and starts getting steady..
9. Rrelease completely the accelerator pedal within 3 seconds after the light coming ON.
10. Start engine and let it run at idle for about 20 seconds.
12. Test the engine to ensure the idle speed and ignition timing are set correctly.

Regards.

Camaro

1998-01

To reset the "OIL CHANGE" light, press and hold the "TRIP/OIL RESET" button on the instrument panel for 12 seconds. When the light flashes and then goes out, the system is reset.


Corvette

1997-01

To reset the monitor after an oil change, turn the ignition on. Press the "TRIP" button so that the "OIL LIFE" percentage is displayed. Press "RESET" and hold it for two seconds. The word "RESET" should appear on the monitor, then "OIL LIFE 90%".


Impala,
Monte Carlo

2000-01

Turn the ignition to ON without starting the engine. Fully press and release the accelerator three times within five seconds. If the CHG OIL SOON lights two times, the system is resetting. Turn the key to OFF, then start the vehicle. If the CHG OIL SOON light comes back on, the system has not been reset, repeat the procedure. Follow this procedure to reset the GM Oil Life System using the DE 100 Series Radio. Turn the ignition to ACC or ON and the radio off. Press and hold the DISP button on the radio for at least five seconds until SETTINGS is displayed. Press the SEEK up or down arrow to scroll through the main menu. Scroll until OIL LIFE appears on the display. Press the PREV or NEXT button to enter the submenu. RESET will be displayed. Press the DISP button to reset. A chime will be heard to verify the new setting and DONE will be displayed for one second. Once the message has been reset, scroll until EXIT appears on the display. Press the DISP button to exit programming. A chime will be heard to exit programming. A chime will be heard to verify the exit.


Impala,
Caprice

1994

To reset the "CHANGE OIL" light, turn the ignition switch to the run position with the engine off. Access the reset button on the end of the instrument panel by the fuse block. Press the switch and hold it for at least 5 seconds.



Lumina,
Monte Carlo,
Impala,
Caprice

1996-00,
1996-99,
1995-96,
1995-96

To reset "CHANGE OIL" light, turn the ignition switch to the run position without starting the engine. Fully depress and release the accelerator pedal 3 times within 5 seconds. The light will flash and go out.


Corvette

1990-96

After an oil change, or when "CHANGE OIL" appears on the Trip Monitor, with the ignition on and engine off, press the "ENG MET" button (located on trip monitor) once. Press the "ENG MET" button again within 5 seconds. Within 5 seconds, press and hold the "RANGE" button (1990-1994) or "GAUGES" button (1995). The light will flash. When it stops flashing and goes out, the system is reset.


Chevrolet Suburban,
GMC Yukon XL,
Chevrolet Silverado,
GMC Trucks Sierra

2000-01,
1999-00

Turn the ignition key to the RUN position. Fully push and release the accelerator pedal 3 times within 5 seconds. If the CHANGE OIL SOON light flashes 2 times, the system is reset. However, if the light comes on and stays on for 5 seconds, the system did not reset. Repeat the procedure if the system does not reset.


Silverado, Sierra Trucks

1991-93

To reset the "CHANGE ENGINE OIL" message, turn the ignition key to the run position. Press and release the accelerator pedal three times within 5 seconds. If the light flashes for 5 seconds, the system is reset. Repeat procedure as needed.