How to manually match the unstable idle speed after Dongfeng Nissan washing the throttle?

After cleaning the throttle body, the idle speed will be too high, so it is necessary to carry out self-learning of idle intake.

Manual learning method is as follows:

Premise: turn off all appliances and all doors.

Steps:

(1) Turn on for 3 seconds.

(2) The accelerator pedal is fully depressed within 5 seconds and completely released for 5 times.

(3) Wait for 7 seconds and fully press the accelerator pedal.

(4) Wait about 10 second for the engine fault light to start flashing.

(5) When the fault light stops flashing and lights up, release the pedal and start the engine within three seconds.

(6) After running for 20 seconds, the idle speed will come down. At this point, increase the speed three times to see if the idle speed can return to normal.

Manual Matching Method of Nissan A33 Clean Throttle

After replacing IACV-AAC valve, ECM and cleaning/replacing throttle body, the matching should be reset.

Manual setting method is as follows:

1, start the engine to reach the normal operating temperature.

2. Check whether the above adjustment conditions are met.

3. Turn off the ignition switch. Wait at least 10 second.

4. Start the engine and idle for at least 30 seconds.

5. Pull out the throttle position sensor harness connector (brown) and reconnect it within 5 seconds.

Step 6 wait for 20 seconds

7. Confirm that the idle speed of the engine meets the standard, otherwise it should be readjusted.

8. Run the engine at high speed for 2-3 times, and confirm that the idle speed and ignition timing meet the standards.

Dongfeng Nissan converse throttle matching

1, turn on the key for 3 seconds, and step on the accelerator 5 times in 5 seconds.

2. After waiting for 7 seconds, fully press the accelerator pedal, wait for the fault light to flash, and then release the accelerator pedal.

I'll get on the bus in three seconds.

Manual matching method of Nissan Teana throttle valve

When the key is turned ON for more than 2 seconds, the key is turned OFF for more than 10 seconds. Operate for three times. After the key is turned on for 3 seconds, press the accelerator pedal 5 times in 5 seconds, wait for 7 seconds after releasing it, then press the accelerator to the bottom and wait for 20 seconds. At this time, the engine light will flash until it is always on. Release the throttle within 3 seconds, start the engine directly and let the engine run at idle speed.

Inspection and adjustment of idle speed control of Dongfeng Nissan;

Accelerator pedal release position learning

1. Confirm that the accelerator pedal is completely released.

2. Turn the ignition switch to the on position and wait for at least 2 seconds.

3. Turn the ignition switch to the off position and wait at least 10 second.

4. Turn the ignition switch to the on position and wait for at least 2 seconds.

5. Turn the ignition switch to the off position and wait at least 10 second.

Second throttle closing position learning

1. Confirm that the accelerator pedal is completely released.

2. Turn the ignition switch to the on position.

3. Turn the ignition switch to the off position and wait at least 10 second. At this time, it is confirmed that the throttle action exceeds 10 second through the action sound of the throttle.

Tiida throttle manual matching method

1. Preheat the engine to normal operating temperature.

2. Turn the ignition switch