How to clean the Toyota Crown throttle without computer reset?

The method of cleaning Toyota Crown throttle without computer reset is as follows:

1. Locate the idle motor switch in the engine compartment.

2. Turn on the ignition switch and disconnect the negative line of the battery.

3. Short the two pins on the plug of idle motor (start relay).

4. Turn the key to start the car, and wait for about 10 second to complete the cleaning procedure of the throttle valve.